*
* Kendrick Smith <kmsmith@umich.edu>
* Andy Adamson <andros@umich.edu>
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/utsname.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/in.h>
/* Mapping from NFS error code to "errno" error code. */
#define errno_NFSERR_IO EIO
-static int nfs_stat_to_errno(int);
+static int nfs4_stat_to_errno(int);
/* NFSv4 COMPOUND tags are only wanted for debugging purposes */
#ifdef DEBUG
#define NFS4_MAXTAGLEN 0
#endif
-/* lock,open owner id:
- * we currently use size 1 (u32) out of (NFS4_OPAQUE_LIMIT >> 2)
+/* lock,open owner id:
+ * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2)
*/
-#define owner_id_maxsz (1 + 1)
+#define open_owner_id_maxsz (1 + 4)
+#define lock_owner_id_maxsz (1 + 4)
+#define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
#define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
#define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
#define op_encode_hdr_maxsz (1)
#define op_decode_hdr_maxsz (2)
+#define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
+#define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
+#define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
+#define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
#define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \
(NFS4_FHSIZE >> 2))
#define decode_putfh_maxsz (op_decode_hdr_maxsz)
#define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
#define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
#define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
+#define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
+#define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
/* This is based on getfattr, which uses the most attributes: */
#define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \
- 3 + 3 + 3 + 2 * nfs4_name_maxsz))
+ 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz))
#define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \
nfs4_fattr_value_maxsz)
#define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
+#define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \
+ 1 + 2 + 1 + \
+ nfs4_owner_maxsz + \
+ nfs4_group_maxsz + \
+ 4 + 4)
#define encode_savefh_maxsz (op_encode_hdr_maxsz)
#define decode_savefh_maxsz (op_decode_hdr_maxsz)
#define encode_restorefh_maxsz (op_encode_hdr_maxsz)
#define decode_restorefh_maxsz (op_decode_hdr_maxsz)
-#define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2)
+#define encode_fsinfo_maxsz (encode_getattr_maxsz)
#define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11)
#define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
#define decode_renew_maxsz (op_decode_hdr_maxsz)
#define encode_setclientid_maxsz \
(op_encode_hdr_maxsz + \
- 4 /*server->ip_addr*/ + \
- 1 /*Netid*/ + \
- 6 /*uaddr*/ + \
- 6 + (NFS4_VERIFIER_SIZE >> 2))
+ XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \
+ XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \
+ 1 /* sc_prog */ + \
+ XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \
+ XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \
+ 1) /* sc_cb_ident */
#define decode_setclientid_maxsz \
(op_decode_hdr_maxsz + \
2 + \
3 + (NFS4_VERIFIER_SIZE >> 2))
#define decode_setclientid_confirm_maxsz \
(op_decode_hdr_maxsz)
-#define encode_lookup_maxsz (op_encode_hdr_maxsz + \
- 1 + ((3 + NFS4_FHSIZE) >> 2))
+#define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
+#define decode_lookup_maxsz (op_decode_hdr_maxsz)
+#define encode_share_access_maxsz \
+ (2)
+#define encode_createmode_maxsz (1 + encode_attrs_maxsz)
+#define encode_opentype_maxsz (1 + encode_createmode_maxsz)
+#define encode_claim_null_maxsz (1 + nfs4_name_maxsz)
+#define encode_open_maxsz (op_encode_hdr_maxsz + \
+ 2 + encode_share_access_maxsz + 2 + \
+ open_owner_id_maxsz + \
+ encode_opentype_maxsz + \
+ encode_claim_null_maxsz)
+#define decode_ace_maxsz (3 + nfs4_owner_maxsz)
+#define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \
+ decode_ace_maxsz)
+#define decode_change_info_maxsz (5)
+#define decode_open_maxsz (op_decode_hdr_maxsz + \
+ decode_stateid_maxsz + \
+ decode_change_info_maxsz + 1 + \
+ nfs4_fattr_bitmap_maxsz + \
+ decode_delegation_maxsz)
+#define encode_open_confirm_maxsz \
+ (op_encode_hdr_maxsz + \
+ encode_stateid_maxsz + 1)
+#define decode_open_confirm_maxsz \
+ (op_decode_hdr_maxsz + \
+ decode_stateid_maxsz)
+#define encode_open_downgrade_maxsz \
+ (op_encode_hdr_maxsz + \
+ encode_stateid_maxsz + 1 + \
+ encode_share_access_maxsz)
+#define decode_open_downgrade_maxsz \
+ (op_decode_hdr_maxsz + \
+ decode_stateid_maxsz)
+#define encode_close_maxsz (op_encode_hdr_maxsz + \
+ 1 + encode_stateid_maxsz)
+#define decode_close_maxsz (op_decode_hdr_maxsz + \
+ decode_stateid_maxsz)
+#define encode_setattr_maxsz (op_encode_hdr_maxsz + \
+ encode_stateid_maxsz + \
+ encode_attrs_maxsz)
+#define decode_setattr_maxsz (op_decode_hdr_maxsz + \
+ nfs4_fattr_bitmap_maxsz)
+#define encode_read_maxsz (op_encode_hdr_maxsz + \
+ encode_stateid_maxsz + 3)
+#define decode_read_maxsz (op_decode_hdr_maxsz + 2)
+#define encode_readdir_maxsz (op_encode_hdr_maxsz + \
+ 2 + encode_verifier_maxsz + 5)
+#define decode_readdir_maxsz (op_decode_hdr_maxsz + \
+ decode_verifier_maxsz)
+#define encode_readlink_maxsz (op_encode_hdr_maxsz)
+#define decode_readlink_maxsz (op_decode_hdr_maxsz + 1)
+#define encode_write_maxsz (op_encode_hdr_maxsz + \
+ encode_stateid_maxsz + 4)
+#define decode_write_maxsz (op_decode_hdr_maxsz + \
+ 2 + decode_verifier_maxsz)
+#define encode_commit_maxsz (op_encode_hdr_maxsz + 3)
+#define decode_commit_maxsz (op_decode_hdr_maxsz + \
+ decode_verifier_maxsz)
#define encode_remove_maxsz (op_encode_hdr_maxsz + \
nfs4_name_maxsz)
+#define decode_remove_maxsz (op_decode_hdr_maxsz + \
+ decode_change_info_maxsz)
#define encode_rename_maxsz (op_encode_hdr_maxsz + \
2 * nfs4_name_maxsz)
-#define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5)
+#define decode_rename_maxsz (op_decode_hdr_maxsz + \
+ decode_change_info_maxsz + \
+ decode_change_info_maxsz)
#define encode_link_maxsz (op_encode_hdr_maxsz + \
nfs4_name_maxsz)
-#define decode_link_maxsz (op_decode_hdr_maxsz + 5)
+#define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz)
+#define encode_lock_maxsz (op_encode_hdr_maxsz + \
+ 7 + \
+ 1 + encode_stateid_maxsz + 8)
+#define decode_lock_denied_maxsz \
+ (8 + decode_lockowner_maxsz)
+#define decode_lock_maxsz (op_decode_hdr_maxsz + \
+ decode_lock_denied_maxsz)
+#define encode_lockt_maxsz (op_encode_hdr_maxsz + 12)
+#define decode_lockt_maxsz (op_decode_hdr_maxsz + \
+ decode_lock_denied_maxsz)
+#define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \
+ encode_stateid_maxsz + \
+ 4)
+#define decode_locku_maxsz (op_decode_hdr_maxsz + \
+ decode_stateid_maxsz)
+#define encode_access_maxsz (op_encode_hdr_maxsz + 1)
+#define decode_access_maxsz (op_decode_hdr_maxsz + 2)
#define encode_symlink_maxsz (op_encode_hdr_maxsz + \
1 + nfs4_name_maxsz + \
- nfs4_path_maxsz + \
+ 1 + \
nfs4_fattr_maxsz)
#define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
#define encode_create_maxsz (op_encode_hdr_maxsz + \
- 2 + nfs4_name_maxsz + \
- nfs4_fattr_maxsz)
-#define decode_create_maxsz (op_decode_hdr_maxsz + 8)
+ 1 + 2 + nfs4_name_maxsz + \
+ encode_attrs_maxsz)
+#define decode_create_maxsz (op_decode_hdr_maxsz + \
+ decode_change_info_maxsz + \
+ nfs4_fattr_bitmap_maxsz)
+#define encode_statfs_maxsz (encode_getattr_maxsz)
+#define decode_statfs_maxsz (decode_getattr_maxsz)
#define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
#define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
+#define encode_getacl_maxsz (encode_getattr_maxsz)
+#define decode_getacl_maxsz (op_decode_hdr_maxsz + \
+ nfs4_fattr_bitmap_maxsz + 1)
+#define encode_setacl_maxsz (op_encode_hdr_maxsz + \
+ encode_stateid_maxsz + 3)
+#define decode_setacl_maxsz (decode_setattr_maxsz)
+#define encode_fs_locations_maxsz \
+ (encode_getattr_maxsz)
+#define decode_fs_locations_maxsz \
+ (0)
+
+#if defined(CONFIG_NFS_V4_1)
+#define NFS4_MAX_MACHINE_NAME_LEN (64)
+
+#define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \
+ encode_verifier_maxsz + \
+ 1 /* co_ownerid.len */ + \
+ XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \
+ 1 /* flags */ + \
+ 1 /* spa_how */ + \
+ 0 /* SP4_NONE (for now) */ + \
+ 1 /* zero implemetation id array */)
+#define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \
+ 2 /* eir_clientid */ + \
+ 1 /* eir_sequenceid */ + \
+ 1 /* eir_flags */ + \
+ 1 /* spr_how */ + \
+ 0 /* SP4_NONE (for now) */ + \
+ 2 /* eir_server_owner.so_minor_id */ + \
+ /* eir_server_owner.so_major_id<> */ \
+ XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
+ /* eir_server_scope<> */ \
+ XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
+ 1 /* eir_server_impl_id array length */ + \
+ 0 /* ignored eir_server_impl_id contents */)
+#define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */)
+#define decode_channel_attrs_maxsz (6 + \
+ 1 /* ca_rdma_ird.len */ + \
+ 1 /* ca_rdma_ird */)
+#define encode_create_session_maxsz (op_encode_hdr_maxsz + \
+ 2 /* csa_clientid */ + \
+ 1 /* csa_sequence */ + \
+ 1 /* csa_flags */ + \
+ encode_channel_attrs_maxsz + \
+ encode_channel_attrs_maxsz + \
+ 1 /* csa_cb_program */ + \
+ 1 /* csa_sec_parms.len (1) */ + \
+ 1 /* cb_secflavor (AUTH_SYS) */ + \
+ 1 /* stamp */ + \
+ 1 /* machinename.len */ + \
+ XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \
+ 1 /* uid */ + \
+ 1 /* gid */ + \
+ 1 /* gids.len (0) */)
+#define decode_create_session_maxsz (op_decode_hdr_maxsz + \
+ XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
+ 1 /* csr_sequence */ + \
+ 1 /* csr_flags */ + \
+ decode_channel_attrs_maxsz + \
+ decode_channel_attrs_maxsz)
+#define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4)
+#define decode_destroy_session_maxsz (op_decode_hdr_maxsz)
+#define encode_sequence_maxsz (op_encode_hdr_maxsz + \
+ XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4)
+#define decode_sequence_maxsz (op_decode_hdr_maxsz + \
+ XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
+#else /* CONFIG_NFS_V4_1 */
+#define encode_sequence_maxsz 0
+#define decode_sequence_maxsz 0
+#endif /* CONFIG_NFS_V4_1 */
+
#define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
#define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
#define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 7)
+ encode_read_maxsz)
#define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 2)
+ decode_read_maxsz)
#define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- op_encode_hdr_maxsz)
+ encode_readlink_maxsz)
#define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz)
+ decode_readlink_maxsz)
#define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 9)
+ encode_readdir_maxsz)
#define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 2)
+ decode_readdir_maxsz)
#define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 8 + \
+ encode_write_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 4 + \
+ decode_write_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 3 + \
+ encode_commit_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 2 + \
+ decode_commit_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
- encode_putfh_maxsz + \
- op_encode_hdr_maxsz + \
- 13 + 3 + 2 + 64 + \
- encode_getattr_maxsz + \
- encode_getfh_maxsz)
+ encode_sequence_maxsz + \
+ encode_putfh_maxsz + \
+ encode_savefh_maxsz + \
+ encode_open_maxsz + \
+ encode_getfh_maxsz + \
+ encode_getattr_maxsz + \
+ encode_restorefh_maxsz + \
+ encode_getattr_maxsz)
#define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
- decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 4 + 5 + 2 + 3 + \
- decode_getattr_maxsz + \
- decode_getfh_maxsz)
-#define NFS4_enc_open_confirm_sz \
- (compound_encode_hdr_maxsz + \
- encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 5)
-#define NFS4_dec_open_confirm_sz (compound_decode_hdr_maxsz + \
- decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 4)
+ decode_sequence_maxsz + \
+ decode_putfh_maxsz + \
+ decode_savefh_maxsz + \
+ decode_open_maxsz + \
+ decode_getfh_maxsz + \
+ decode_getattr_maxsz + \
+ decode_restorefh_maxsz + \
+ decode_getattr_maxsz)
+#define NFS4_enc_open_confirm_sz \
+ (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ encode_open_confirm_maxsz)
+#define NFS4_dec_open_confirm_sz \
+ (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ decode_open_confirm_maxsz)
#define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- op_encode_hdr_maxsz + \
- 11)
+ encode_open_maxsz + \
+ encode_getattr_maxsz)
#define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + \
- 4 + 5 + 2 + 3)
+ decode_open_maxsz + \
+ decode_getattr_maxsz)
#define NFS4_enc_open_downgrade_sz \
(compound_encode_hdr_maxsz + \
- encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 7 + \
- encode_getattr_maxsz)
+ encode_sequence_maxsz + \
+ encode_putfh_maxsz + \
+ encode_open_downgrade_maxsz + \
+ encode_getattr_maxsz)
#define NFS4_dec_open_downgrade_sz \
(compound_decode_hdr_maxsz + \
- decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 4 + \
- decode_getattr_maxsz)
-#define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
- encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 5 + \
- encode_getattr_maxsz)
-#define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
- decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 4 + \
- decode_getattr_maxsz)
-#define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
- encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 4 + \
- nfs4_fattr_maxsz + \
- encode_getattr_maxsz)
-#define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
- decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 3)
+ decode_sequence_maxsz + \
+ decode_putfh_maxsz + \
+ decode_open_downgrade_maxsz + \
+ decode_getattr_maxsz)
+#define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
+ encode_putfh_maxsz + \
+ encode_close_maxsz + \
+ encode_getattr_maxsz)
+#define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
+ decode_putfh_maxsz + \
+ decode_close_maxsz + \
+ decode_getattr_maxsz)
+#define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
+ encode_putfh_maxsz + \
+ encode_setattr_maxsz + \
+ encode_getattr_maxsz)
+#define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
+ decode_putfh_maxsz + \
+ decode_setattr_maxsz + \
+ decode_getattr_maxsz)
#define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_fsinfo_maxsz)
#define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_fsinfo_maxsz)
#define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
decode_putrootfh_maxsz + \
decode_fsinfo_maxsz)
#define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- encode_getattr_maxsz + \
- op_encode_hdr_maxsz + \
- 1 + 1 + 2 + 2 + \
- 1 + 4 + 1 + 2 + \
- owner_id_maxsz)
+ encode_lock_maxsz)
#define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- decode_getattr_maxsz + \
- op_decode_hdr_maxsz + \
- 2 + 2 + 1 + 2 + \
- owner_id_maxsz)
+ decode_lock_maxsz)
#define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- encode_getattr_maxsz + \
- op_encode_hdr_maxsz + \
- 1 + 2 + 2 + 2 + \
- owner_id_maxsz)
-#define NFS4_dec_lockt_sz (NFS4_dec_lock_sz)
+ encode_lockt_maxsz)
+#define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
+ decode_putfh_maxsz + \
+ decode_lockt_maxsz)
#define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- encode_getattr_maxsz + \
- op_encode_hdr_maxsz + \
- 1 + 1 + 4 + 2 + 2)
+ encode_locku_maxsz)
#define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- decode_getattr_maxsz + \
- op_decode_hdr_maxsz + 4)
+ decode_locku_maxsz)
#define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 1)
+ encode_access_maxsz + \
+ encode_getattr_maxsz)
#define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 2)
+ decode_access_maxsz + \
+ decode_getattr_maxsz)
#define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_lookup_maxsz + \
encode_getattr_maxsz + \
encode_getfh_maxsz)
#define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + \
+ decode_lookup_maxsz + \
decode_getattr_maxsz + \
decode_getfh_maxsz)
#define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putrootfh_maxsz + \
encode_getattr_maxsz + \
encode_getfh_maxsz)
#define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putrootfh_maxsz + \
decode_getattr_maxsz + \
decode_getfh_maxsz)
#define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_remove_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 5 + \
+ decode_remove_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_savefh_maxsz + \
encode_putfh_maxsz + \
encode_restorefh_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_savefh_maxsz + \
decode_putfh_maxsz + \
decode_restorefh_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_savefh_maxsz + \
encode_putfh_maxsz + \
encode_restorefh_maxsz + \
decode_getattr_maxsz)
#define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_savefh_maxsz + \
decode_putfh_maxsz + \
decode_restorefh_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_symlink_maxsz + \
encode_getattr_maxsz + \
encode_getfh_maxsz)
#define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_symlink_maxsz + \
decode_getattr_maxsz + \
decode_getfh_maxsz)
#define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_savefh_maxsz + \
encode_create_maxsz + \
encode_restorefh_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_savefh_maxsz + \
decode_create_maxsz + \
decode_restorefh_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- encode_getattr_maxsz)
+ encode_statfs_maxsz)
#define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + 12)
+ decode_statfs_maxsz)
#define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
+ encode_putfh_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
+ decode_putfh_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
encode_delegreturn_maxsz + \
encode_getattr_maxsz)
#define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_delegreturn_maxsz + \
decode_getattr_maxsz)
#define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- encode_getattr_maxsz)
+ encode_getacl_maxsz)
#define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + \
- nfs4_fattr_bitmap_maxsz + 1)
+ decode_getacl_maxsz)
#define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- op_encode_hdr_maxsz + 4 + \
- nfs4_fattr_bitmap_maxsz + 1)
+ encode_setacl_maxsz)
#define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
+ decode_setacl_maxsz)
#define NFS4_enc_fs_locations_sz \
(compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
encode_putfh_maxsz + \
- encode_getattr_maxsz)
+ encode_lookup_maxsz + \
+ encode_fs_locations_maxsz)
#define NFS4_dec_fs_locations_sz \
(compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
decode_putfh_maxsz + \
- op_decode_hdr_maxsz + \
- nfs4_fattr_bitmap_maxsz)
-
-static struct {
- unsigned int mode;
- unsigned int nfs2type;
-} nfs_type2fmt[] = {
- { 0, NFNON },
- { S_IFREG, NFREG },
- { S_IFDIR, NFDIR },
- { S_IFBLK, NFBLK },
- { S_IFCHR, NFCHR },
- { S_IFLNK, NFLNK },
- { S_IFSOCK, NFSOCK },
- { S_IFIFO, NFFIFO },
- { 0, NFNON },
- { 0, NFNON },
+ decode_lookup_maxsz + \
+ decode_fs_locations_maxsz)
+#if defined(CONFIG_NFS_V4_1)
+#define NFS4_enc_exchange_id_sz \
+ (compound_encode_hdr_maxsz + \
+ encode_exchange_id_maxsz)
+#define NFS4_dec_exchange_id_sz \
+ (compound_decode_hdr_maxsz + \
+ decode_exchange_id_maxsz)
+#define NFS4_enc_create_session_sz \
+ (compound_encode_hdr_maxsz + \
+ encode_create_session_maxsz)
+#define NFS4_dec_create_session_sz \
+ (compound_decode_hdr_maxsz + \
+ decode_create_session_maxsz)
+#define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \
+ encode_destroy_session_maxsz)
+#define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \
+ decode_destroy_session_maxsz)
+#define NFS4_enc_sequence_sz \
+ (compound_decode_hdr_maxsz + \
+ encode_sequence_maxsz)
+#define NFS4_dec_sequence_sz \
+ (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz)
+#define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \
+ encode_sequence_maxsz + \
+ encode_putrootfh_maxsz + \
+ encode_fsinfo_maxsz)
+#define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \
+ decode_sequence_maxsz + \
+ decode_putrootfh_maxsz + \
+ decode_fsinfo_maxsz)
+#endif /* CONFIG_NFS_V4_1 */
+
+static const umode_t nfs_type2fmt[] = {
+ [NF4BAD] = 0,
+ [NF4REG] = S_IFREG,
+ [NF4DIR] = S_IFDIR,
+ [NF4BLK] = S_IFBLK,
+ [NF4CHR] = S_IFCHR,
+ [NF4LNK] = S_IFLNK,
+ [NF4SOCK] = S_IFSOCK,
+ [NF4FIFO] = S_IFIFO,
+ [NF4ATTRDIR] = 0,
+ [NF4NAMEDATTR] = 0,
};
struct compound_hdr {
int32_t status;
uint32_t nops;
+ __be32 * nops_p;
uint32_t taglen;
char * tag;
+ uint32_t replen; /* expected reply words */
+ u32 minorversion;
};
-/*
- * START OF "GENERIC" ENCODE ROUTINES.
- * These may look a little ugly since they are imported from a "generic"
- * set of XDR encode/decode routines which are intended to be shared by
- * all of our NFSv4 implementations (OpenBSD, MacOS X...).
- *
- * If the pain of reading these is too great, it should be a straightforward
- * task to translate them into Linux-specific versions which are more
- * consistent with the style used in NFSv2/v3...
- */
-#define WRITE32(n) *p++ = htonl(n)
-#define WRITE64(n) do { \
- *p++ = htonl((uint32_t)((n) >> 32)); \
- *p++ = htonl((uint32_t)(n)); \
-} while (0)
-#define WRITEMEM(ptr,nbytes) do { \
- p = xdr_encode_opaque_fixed(p, ptr, nbytes); \
-} while (0)
-
-#define RESERVE_SPACE(nbytes) do { \
- p = xdr_reserve_space(xdr, nbytes); \
- if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \
- BUG_ON(!p); \
-} while (0)
+static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes)
+{
+ __be32 *p = xdr_reserve_space(xdr, nbytes);
+ BUG_ON(!p);
+ return p;
+}
static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
{
- uint32_t *p;
+ __be32 *p;
p = xdr_reserve_space(xdr, 4 + len);
BUG_ON(p == NULL);
xdr_encode_opaque(p, str, len);
}
-static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
+static void encode_compound_hdr(struct xdr_stream *xdr,
+ struct rpc_rqst *req,
+ struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
+ struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
+
+ /* initialize running count of expected bytes in reply.
+ * NOTE: the replied tag SHOULD be the same is the one sent,
+ * but this is not required as a MUST for the server to do so. */
+ hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen;
dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag);
BUG_ON(hdr->taglen > NFS4_MAXTAGLEN);
- RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2));
- WRITE32(hdr->taglen);
- WRITEMEM(hdr->tag, hdr->taglen);
- WRITE32(NFS4_MINOR_VERSION);
- WRITE32(hdr->nops);
- return 0;
+ p = reserve_space(xdr, 4 + hdr->taglen + 8);
+ p = xdr_encode_opaque(p, hdr->tag, hdr->taglen);
+ *p++ = cpu_to_be32(hdr->minorversion);
+ hdr->nops_p = p;
+ *p = cpu_to_be32(hdr->nops);
+}
+
+static void encode_nops(struct compound_hdr *hdr)
+{
+ BUG_ON(hdr->nops > NFS4_MAX_OPS);
+ *hdr->nops_p = htonl(hdr->nops);
}
static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf)
{
- uint32_t *p;
+ __be32 *p;
p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE);
BUG_ON(p == NULL);
xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE);
}
-static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server)
+static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server)
{
char owner_name[IDMAP_NAMESZ];
char owner_group[IDMAP_NAMESZ];
int owner_namelen = 0;
int owner_grouplen = 0;
- uint32_t *p;
- uint32_t *q;
+ __be32 *p;
+ __be32 *q;
int len;
uint32_t bmval0 = 0;
uint32_t bmval1 = 0;
- int status;
/*
* We reserve enough space to write the entire attribute buffer at once.
if (iap->ia_valid & ATTR_MODE)
len += 4;
if (iap->ia_valid & ATTR_UID) {
- owner_namelen = nfs_map_uid_to_name(server->nfs4_state, iap->ia_uid, owner_name);
+ owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name);
if (owner_namelen < 0) {
- printk(KERN_WARNING "nfs: couldn't resolve uid %d to string\n",
- iap->ia_uid);
+ dprintk("nfs: couldn't resolve uid %d to string\n",
+ iap->ia_uid);
/* XXX */
strcpy(owner_name, "nobody");
owner_namelen = sizeof("nobody") - 1;
len += 4 + (XDR_QUADLEN(owner_namelen) << 2);
}
if (iap->ia_valid & ATTR_GID) {
- owner_grouplen = nfs_map_gid_to_group(server->nfs4_state, iap->ia_gid, owner_group);
+ owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group);
if (owner_grouplen < 0) {
- printk(KERN_WARNING "nfs4: couldn't resolve gid %d to string\n",
- iap->ia_gid);
+ dprintk("nfs: couldn't resolve gid %d to string\n",
+ iap->ia_gid);
strcpy(owner_group, "nobody");
owner_grouplen = sizeof("nobody") - 1;
/* goto out; */
len += 16;
else if (iap->ia_valid & ATTR_MTIME)
len += 4;
- RESERVE_SPACE(len);
+ p = reserve_space(xdr, len);
/*
* We write the bitmap length now, but leave the bitmap and the attribute
* buffer length to be backfilled at the end of this routine.
*/
- WRITE32(2);
+ *p++ = cpu_to_be32(2);
q = p;
p += 3;
if (iap->ia_valid & ATTR_SIZE) {
bmval0 |= FATTR4_WORD0_SIZE;
- WRITE64(iap->ia_size);
+ p = xdr_encode_hyper(p, iap->ia_size);
}
if (iap->ia_valid & ATTR_MODE) {
bmval1 |= FATTR4_WORD1_MODE;
- WRITE32(iap->ia_mode & S_IALLUGO);
+ *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO);
}
if (iap->ia_valid & ATTR_UID) {
bmval1 |= FATTR4_WORD1_OWNER;
- WRITE32(owner_namelen);
- WRITEMEM(owner_name, owner_namelen);
+ p = xdr_encode_opaque(p, owner_name, owner_namelen);
}
if (iap->ia_valid & ATTR_GID) {
bmval1 |= FATTR4_WORD1_OWNER_GROUP;
- WRITE32(owner_grouplen);
- WRITEMEM(owner_group, owner_grouplen);
+ p = xdr_encode_opaque(p, owner_group, owner_grouplen);
}
if (iap->ia_valid & ATTR_ATIME_SET) {
bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
- WRITE32(NFS4_SET_TO_CLIENT_TIME);
- WRITE32(0);
- WRITE32(iap->ia_mtime.tv_sec);
- WRITE32(iap->ia_mtime.tv_nsec);
+ *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME);
+ *p++ = cpu_to_be32(0);
+ *p++ = cpu_to_be32(iap->ia_mtime.tv_sec);
+ *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec);
}
else if (iap->ia_valid & ATTR_ATIME) {
bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
- WRITE32(NFS4_SET_TO_SERVER_TIME);
+ *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME);
}
if (iap->ia_valid & ATTR_MTIME_SET) {
bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
- WRITE32(NFS4_SET_TO_CLIENT_TIME);
- WRITE32(0);
- WRITE32(iap->ia_mtime.tv_sec);
- WRITE32(iap->ia_mtime.tv_nsec);
+ *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME);
+ *p++ = cpu_to_be32(0);
+ *p++ = cpu_to_be32(iap->ia_mtime.tv_sec);
+ *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec);
}
else if (iap->ia_valid & ATTR_MTIME) {
bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
- WRITE32(NFS4_SET_TO_SERVER_TIME);
+ *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME);
}
-
+
/*
* Now we backfill the bitmap and the attribute buffer length.
*/
if (len != ((char *)p - (char *)q) + 4) {
- printk ("encode_attr: Attr length calculation error! %u != %Zu\n",
+ printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n",
len, ((char *)p - (char *)q) + 4);
BUG();
}
len = (char *)p - (char *)q - 12;
*q++ = htonl(bmval0);
*q++ = htonl(bmval1);
- *q++ = htonl(len);
+ *q = htonl(len);
- status = 0;
/* out: */
- return status;
}
-static int encode_access(struct xdr_stream *xdr, u32 access)
+static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8);
- WRITE32(OP_ACCESS);
- WRITE32(access);
-
- return 0;
+ p = reserve_space(xdr, 8);
+ *p++ = cpu_to_be32(OP_ACCESS);
+ *p = cpu_to_be32(access);
+ hdr->nops++;
+ hdr->replen += decode_access_maxsz;
}
-static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
+static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8+sizeof(arg->stateid->data));
- WRITE32(OP_CLOSE);
- WRITE32(arg->seqid->sequence->counter);
- WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
-
- return 0;
+ p = reserve_space(xdr, 8+NFS4_STATEID_SIZE);
+ *p++ = cpu_to_be32(OP_CLOSE);
+ *p++ = cpu_to_be32(arg->seqid->sequence->counter);
+ xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
+ hdr->nops++;
+ hdr->replen += decode_close_maxsz;
}
-static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args)
+static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)
{
- uint32_t *p;
-
- RESERVE_SPACE(16);
- WRITE32(OP_COMMIT);
- WRITE64(args->offset);
- WRITE32(args->count);
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 16);
+ *p++ = cpu_to_be32(OP_COMMIT);
+ p = xdr_encode_hyper(p, args->offset);
+ *p = cpu_to_be32(args->count);
+ hdr->nops++;
+ hdr->replen += decode_commit_maxsz;
}
-static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create)
+static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr)
{
- uint32_t *p;
-
- RESERVE_SPACE(8);
- WRITE32(OP_CREATE);
- WRITE32(create->ftype);
+ __be32 *p;
+
+ p = reserve_space(xdr, 8);
+ *p++ = cpu_to_be32(OP_CREATE);
+ *p = cpu_to_be32(create->ftype);
switch (create->ftype) {
case NF4LNK:
- RESERVE_SPACE(4 + create->u.symlink->len);
- WRITE32(create->u.symlink->len);
- WRITEMEM(create->u.symlink->name, create->u.symlink->len);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(create->u.symlink.len);
+ xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len);
break;
case NF4BLK: case NF4CHR:
- RESERVE_SPACE(8);
- WRITE32(create->u.device.specdata1);
- WRITE32(create->u.device.specdata2);
+ p = reserve_space(xdr, 8);
+ *p++ = cpu_to_be32(create->u.device.specdata1);
+ *p = cpu_to_be32(create->u.device.specdata2);
break;
default:
break;
}
- RESERVE_SPACE(4 + create->name->len);
- WRITE32(create->name->len);
- WRITEMEM(create->name->name, create->name->len);
+ encode_string(xdr, create->name->len, create->name->name);
+ hdr->nops++;
+ hdr->replen += decode_create_maxsz;
- return encode_attrs(xdr, create->attrs, create->server);
+ encode_attrs(xdr, create->attrs, create->server);
}
-static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap)
+static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(12);
- WRITE32(OP_GETATTR);
- WRITE32(1);
- WRITE32(bitmap);
- return 0;
+ p = reserve_space(xdr, 12);
+ *p++ = cpu_to_be32(OP_GETATTR);
+ *p++ = cpu_to_be32(1);
+ *p = cpu_to_be32(bitmap);
+ hdr->nops++;
+ hdr->replen += decode_getattr_maxsz;
}
-static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1)
+static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(16);
- WRITE32(OP_GETATTR);
- WRITE32(2);
- WRITE32(bm0);
- WRITE32(bm1);
- return 0;
+ p = reserve_space(xdr, 16);
+ *p++ = cpu_to_be32(OP_GETATTR);
+ *p++ = cpu_to_be32(2);
+ *p++ = cpu_to_be32(bm0);
+ *p = cpu_to_be32(bm1);
+ hdr->nops++;
+ hdr->replen += decode_getattr_maxsz;
}
-static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask)
+static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr)
{
- return encode_getattr_two(xdr,
- bitmask[0] & nfs4_fattr_bitmap[0],
- bitmask[1] & nfs4_fattr_bitmap[1]);
+ encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0],
+ bitmask[1] & nfs4_fattr_bitmap[1], hdr);
}
-static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask)
+static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr)
{
- return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0],
- bitmask[1] & nfs4_fsinfo_bitmap[1]);
+ encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0],
+ bitmask[1] & nfs4_fsinfo_bitmap[1], hdr);
}
-static int encode_getfh(struct xdr_stream *xdr)
+static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr)
{
- uint32_t *p;
+ encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0],
+ bitmask[1] & nfs4_fs_locations_bitmap[1], hdr);
+}
- RESERVE_SPACE(4);
- WRITE32(OP_GETFH);
+static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
+{
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_GETFH);
+ hdr->nops++;
+ hdr->replen += decode_getfh_maxsz;
}
-static int encode_link(struct xdr_stream *xdr, const struct qstr *name)
+static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8 + name->len);
- WRITE32(OP_LINK);
- WRITE32(name->len);
- WRITEMEM(name->name, name->len);
-
- return 0;
+ p = reserve_space(xdr, 8 + name->len);
+ *p++ = cpu_to_be32(OP_LINK);
+ xdr_encode_opaque(p, name->name, name->len);
+ hdr->nops++;
+ hdr->replen += decode_link_maxsz;
}
static inline int nfs4_lock_type(struct file_lock *fl, int block)
* opcode,type,reclaim,offset,length,new_lock_owner = 32
* open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
*/
-static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args)
+static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(32);
- WRITE32(OP_LOCK);
- WRITE32(nfs4_lock_type(args->fl, args->block));
- WRITE32(args->reclaim);
- WRITE64(args->fl->fl_start);
- WRITE64(nfs4_lock_length(args->fl));
- WRITE32(args->new_lock_owner);
+ p = reserve_space(xdr, 32);
+ *p++ = cpu_to_be32(OP_LOCK);
+ *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block));
+ *p++ = cpu_to_be32(args->reclaim);
+ p = xdr_encode_hyper(p, args->fl->fl_start);
+ p = xdr_encode_hyper(p, nfs4_lock_length(args->fl));
+ *p = cpu_to_be32(args->new_lock_owner);
if (args->new_lock_owner){
- RESERVE_SPACE(40);
- WRITE32(args->open_seqid->sequence->counter);
- WRITEMEM(args->open_stateid->data, sizeof(args->open_stateid->data));
- WRITE32(args->lock_seqid->sequence->counter);
- WRITE64(args->lock_owner.clientid);
- WRITE32(4);
- WRITE32(args->lock_owner.id);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+32);
+ *p++ = cpu_to_be32(args->open_seqid->sequence->counter);
+ p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE);
+ *p++ = cpu_to_be32(args->lock_seqid->sequence->counter);
+ p = xdr_encode_hyper(p, args->lock_owner.clientid);
+ *p++ = cpu_to_be32(16);
+ p = xdr_encode_opaque_fixed(p, "lock id:", 8);
+ xdr_encode_hyper(p, args->lock_owner.id);
}
else {
- RESERVE_SPACE(20);
- WRITEMEM(args->lock_stateid->data, sizeof(args->lock_stateid->data));
- WRITE32(args->lock_seqid->sequence->counter);
+ p = reserve_space(xdr, NFS4_STATEID_SIZE+4);
+ p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE);
+ *p = cpu_to_be32(args->lock_seqid->sequence->counter);
}
-
- return 0;
+ hdr->nops++;
+ hdr->replen += decode_lock_maxsz;
}
-static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args)
+static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr)
{
- uint32_t *p;
-
- RESERVE_SPACE(40);
- WRITE32(OP_LOCKT);
- WRITE32(nfs4_lock_type(args->fl, 0));
- WRITE64(args->fl->fl_start);
- WRITE64(nfs4_lock_length(args->fl));
- WRITE64(args->lock_owner.clientid);
- WRITE32(4);
- WRITE32(args->lock_owner.id);
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 52);
+ *p++ = cpu_to_be32(OP_LOCKT);
+ *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0));
+ p = xdr_encode_hyper(p, args->fl->fl_start);
+ p = xdr_encode_hyper(p, nfs4_lock_length(args->fl));
+ p = xdr_encode_hyper(p, args->lock_owner.clientid);
+ *p++ = cpu_to_be32(16);
+ p = xdr_encode_opaque_fixed(p, "lock id:", 8);
+ xdr_encode_hyper(p, args->lock_owner.id);
+ hdr->nops++;
+ hdr->replen += decode_lockt_maxsz;
}
-static int encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args)
+static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr)
{
- uint32_t *p;
-
- RESERVE_SPACE(44);
- WRITE32(OP_LOCKU);
- WRITE32(nfs4_lock_type(args->fl, 0));
- WRITE32(args->seqid->sequence->counter);
- WRITEMEM(args->stateid->data, sizeof(args->stateid->data));
- WRITE64(args->fl->fl_start);
- WRITE64(nfs4_lock_length(args->fl));
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16);
+ *p++ = cpu_to_be32(OP_LOCKU);
+ *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0));
+ *p++ = cpu_to_be32(args->seqid->sequence->counter);
+ p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE);
+ p = xdr_encode_hyper(p, args->fl->fl_start);
+ xdr_encode_hyper(p, nfs4_lock_length(args->fl));
+ hdr->nops++;
+ hdr->replen += decode_locku_maxsz;
}
-static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name)
+static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
{
int len = name->len;
- uint32_t *p;
-
- RESERVE_SPACE(8 + len);
- WRITE32(OP_LOOKUP);
- WRITE32(len);
- WRITEMEM(name->name, len);
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 8 + len);
+ *p++ = cpu_to_be32(OP_LOOKUP);
+ xdr_encode_opaque(p, name->name, len);
+ hdr->nops++;
+ hdr->replen += decode_lookup_maxsz;
}
-static void encode_share_access(struct xdr_stream *xdr, int open_flags)
+static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8);
- switch (open_flags & (FMODE_READ|FMODE_WRITE)) {
- case FMODE_READ:
- WRITE32(NFS4_SHARE_ACCESS_READ);
- break;
- case FMODE_WRITE:
- WRITE32(NFS4_SHARE_ACCESS_WRITE);
- break;
- case FMODE_READ|FMODE_WRITE:
- WRITE32(NFS4_SHARE_ACCESS_BOTH);
- break;
- default:
- BUG();
+ p = reserve_space(xdr, 8);
+ switch (fmode & (FMODE_READ|FMODE_WRITE)) {
+ case FMODE_READ:
+ *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ);
+ break;
+ case FMODE_WRITE:
+ *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE);
+ break;
+ case FMODE_READ|FMODE_WRITE:
+ *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH);
+ break;
+ default:
+ *p++ = cpu_to_be32(0);
}
- WRITE32(0); /* for linux, share_deny = 0 always */
+ *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */
}
static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg)
{
- uint32_t *p;
+ __be32 *p;
/*
* opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
* owner 4 = 32
*/
- RESERVE_SPACE(8);
- WRITE32(OP_OPEN);
- WRITE32(arg->seqid->sequence->counter);
- encode_share_access(xdr, arg->open_flags);
- RESERVE_SPACE(16);
- WRITE64(arg->clientid);
- WRITE32(4);
- WRITE32(arg->id);
+ p = reserve_space(xdr, 8);
+ *p++ = cpu_to_be32(OP_OPEN);
+ *p = cpu_to_be32(arg->seqid->sequence->counter);
+ encode_share_access(xdr, arg->fmode);
+ p = reserve_space(xdr, 28);
+ p = xdr_encode_hyper(p, arg->clientid);
+ *p++ = cpu_to_be32(16);
+ p = xdr_encode_opaque_fixed(p, "open id:", 8);
+ xdr_encode_hyper(p, arg->id);
}
static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4);
+ p = reserve_space(xdr, 4);
switch(arg->open_flags & O_EXCL) {
- case 0:
- WRITE32(NFS4_CREATE_UNCHECKED);
- encode_attrs(xdr, arg->u.attrs, arg->server);
- break;
- default:
- WRITE32(NFS4_CREATE_EXCLUSIVE);
- encode_nfs4_verifier(xdr, &arg->u.verifier);
+ case 0:
+ *p = cpu_to_be32(NFS4_CREATE_UNCHECKED);
+ encode_attrs(xdr, arg->u.attrs, arg->server);
+ break;
+ default:
+ *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE);
+ encode_nfs4_verifier(xdr, &arg->u.verifier);
}
}
static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4);
+ p = reserve_space(xdr, 4);
switch (arg->open_flags & O_CREAT) {
- case 0:
- WRITE32(NFS4_OPEN_NOCREATE);
- break;
- default:
- BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
- WRITE32(NFS4_OPEN_CREATE);
- encode_createmode(xdr, arg);
+ case 0:
+ *p = cpu_to_be32(NFS4_OPEN_NOCREATE);
+ break;
+ default:
+ BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
+ *p = cpu_to_be32(NFS4_OPEN_CREATE);
+ encode_createmode(xdr, arg);
}
}
-static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type)
+static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4);
+ p = reserve_space(xdr, 4);
switch (delegation_type) {
- case 0:
- WRITE32(NFS4_OPEN_DELEGATE_NONE);
- break;
- case FMODE_READ:
- WRITE32(NFS4_OPEN_DELEGATE_READ);
- break;
- case FMODE_WRITE|FMODE_READ:
- WRITE32(NFS4_OPEN_DELEGATE_WRITE);
- break;
- default:
- BUG();
+ case 0:
+ *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE);
+ break;
+ case FMODE_READ:
+ *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ);
+ break;
+ case FMODE_WRITE|FMODE_READ:
+ *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE);
+ break;
+ default:
+ BUG();
}
}
static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4);
- WRITE32(NFS4_OPEN_CLAIM_NULL);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL);
encode_string(xdr, name->len, name->name);
}
-static inline void encode_claim_previous(struct xdr_stream *xdr, int type)
+static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4);
- WRITE32(NFS4_OPEN_CLAIM_PREVIOUS);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS);
encode_delegation_type(xdr, type);
}
static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4+sizeof(stateid->data));
- WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
- WRITEMEM(stateid->data, sizeof(stateid->data));
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
+ *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
+ xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE);
encode_string(xdr, name->len, name->name);
}
-static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg)
+static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr)
{
encode_openhdr(xdr, arg);
encode_opentype(xdr, arg);
switch (arg->claim) {
- case NFS4_OPEN_CLAIM_NULL:
- encode_claim_null(xdr, arg->name);
- break;
- case NFS4_OPEN_CLAIM_PREVIOUS:
- encode_claim_previous(xdr, arg->u.delegation_type);
- break;
- case NFS4_OPEN_CLAIM_DELEGATE_CUR:
- encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation);
- break;
- default:
- BUG();
+ case NFS4_OPEN_CLAIM_NULL:
+ encode_claim_null(xdr, arg->name);
+ break;
+ case NFS4_OPEN_CLAIM_PREVIOUS:
+ encode_claim_previous(xdr, arg->u.delegation_type);
+ break;
+ case NFS4_OPEN_CLAIM_DELEGATE_CUR:
+ encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation);
+ break;
+ default:
+ BUG();
}
- return 0;
+ hdr->nops++;
+ hdr->replen += decode_open_maxsz;
}
-static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg)
+static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8+sizeof(arg->stateid->data));
- WRITE32(OP_OPEN_CONFIRM);
- WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
- WRITE32(arg->seqid->sequence->counter);
-
- return 0;
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4);
+ *p++ = cpu_to_be32(OP_OPEN_CONFIRM);
+ p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
+ *p = cpu_to_be32(arg->seqid->sequence->counter);
+ hdr->nops++;
+ hdr->replen += decode_open_confirm_maxsz;
}
-static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
+static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8+sizeof(arg->stateid->data));
- WRITE32(OP_OPEN_DOWNGRADE);
- WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
- WRITE32(arg->seqid->sequence->counter);
- encode_share_access(xdr, arg->open_flags);
- return 0;
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4);
+ *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE);
+ p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
+ *p = cpu_to_be32(arg->seqid->sequence->counter);
+ encode_share_access(xdr, arg->fmode);
+ hdr->nops++;
+ hdr->replen += decode_open_downgrade_maxsz;
}
-static int
-encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh)
+static void
+encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr)
{
int len = fh->size;
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8 + len);
- WRITE32(OP_PUTFH);
- WRITE32(len);
- WRITEMEM(fh->data, len);
-
- return 0;
+ p = reserve_space(xdr, 8 + len);
+ *p++ = cpu_to_be32(OP_PUTFH);
+ xdr_encode_opaque(p, fh->data, len);
+ hdr->nops++;
+ hdr->replen += decode_putfh_maxsz;
}
-static int encode_putrootfh(struct xdr_stream *xdr)
+static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
- uint32_t *p;
-
- RESERVE_SPACE(4);
- WRITE32(OP_PUTROOTFH);
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_PUTROOTFH);
+ hdr->nops++;
+ hdr->replen += decode_putrootfh_maxsz;
}
static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx)
{
nfs4_stateid stateid;
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(16);
+ p = reserve_space(xdr, NFS4_STATEID_SIZE);
if (ctx->state != NULL) {
nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner);
- WRITEMEM(stateid.data, sizeof(stateid.data));
+ xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE);
} else
- WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
+ xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
}
-static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args)
+static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4);
- WRITE32(OP_READ);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_READ);
encode_stateid(xdr, args->context);
- RESERVE_SPACE(12);
- WRITE64(args->offset);
- WRITE32(args->count);
-
- return 0;
+ p = reserve_space(xdr, 12);
+ p = xdr_encode_hyper(p, args->offset);
+ *p = cpu_to_be32(args->count);
+ hdr->nops++;
+ hdr->replen += decode_read_maxsz;
}
-static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req)
+static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr)
{
- struct rpc_auth *auth = req->rq_task->tk_auth;
uint32_t attrs[2] = {
FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID,
FATTR4_WORD1_MOUNTED_ON_FILEID,
};
- int replen;
- uint32_t *p;
-
- RESERVE_SPACE(32+sizeof(nfs4_verifier));
- WRITE32(OP_READDIR);
- WRITE64(readdir->cookie);
- WRITEMEM(readdir->verifier.data, sizeof(readdir->verifier.data));
- WRITE32(readdir->count >> 1); /* We're not doing readdirplus */
- WRITE32(readdir->count);
- WRITE32(2);
+ __be32 *p;
+
+ p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20);
+ *p++ = cpu_to_be32(OP_READDIR);
+ p = xdr_encode_hyper(p, readdir->cookie);
+ p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE);
+ *p++ = cpu_to_be32(readdir->count >> 1); /* We're not doing readdirplus */
+ *p++ = cpu_to_be32(readdir->count);
+ *p++ = cpu_to_be32(2);
/* Switch to mounted_on_fileid if the server supports it */
if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)
attrs[0] &= ~FATTR4_WORD0_FILEID;
else
attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
- WRITE32(attrs[0] & readdir->bitmask[0]);
- WRITE32(attrs[1] & readdir->bitmask[1]);
- dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n",
- __FUNCTION__,
+ *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]);
+ *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]);
+ hdr->nops++;
+ hdr->replen += decode_readdir_maxsz;
+ dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
+ __func__,
(unsigned long long)readdir->cookie,
((u32 *)readdir->verifier.data)[0],
((u32 *)readdir->verifier.data)[1],
attrs[0] & readdir->bitmask[0],
attrs[1] & readdir->bitmask[1]);
-
- /* set up reply kvec
- * toplevel_status + taglen + rescount + OP_PUTFH + status
- * + OP_READDIR + status + verifer(2) = 9
- */
- replen = (RPC_REPHDRSIZE + auth->au_rslack + 9) << 2;
- xdr_inline_pages(&req->rq_rcv_buf, replen, readdir->pages,
- readdir->pgbase, readdir->count);
- dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
- __FUNCTION__, replen, readdir->pages,
- readdir->pgbase, readdir->count);
-
- return 0;
}
-static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req)
+static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr)
{
- struct rpc_auth *auth = req->rq_task->tk_auth;
- unsigned int replen;
- uint32_t *p;
-
- RESERVE_SPACE(4);
- WRITE32(OP_READLINK);
+ __be32 *p;
- /* set up reply kvec
- * toplevel_status + taglen + rescount + OP_PUTFH + status
- * + OP_READLINK + status + string length = 8
- */
- replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2;
- xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages,
- readlink->pgbase, readlink->pglen);
-
- return 0;
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_READLINK);
+ hdr->nops++;
+ hdr->replen += decode_readlink_maxsz;
}
-static int encode_remove(struct xdr_stream *xdr, const struct qstr *name)
+static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8 + name->len);
- WRITE32(OP_REMOVE);
- WRITE32(name->len);
- WRITEMEM(name->name, name->len);
-
- return 0;
+ p = reserve_space(xdr, 8 + name->len);
+ *p++ = cpu_to_be32(OP_REMOVE);
+ xdr_encode_opaque(p, name->name, name->len);
+ hdr->nops++;
+ hdr->replen += decode_remove_maxsz;
}
-static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname)
+static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(8 + oldname->len);
- WRITE32(OP_RENAME);
- WRITE32(oldname->len);
- WRITEMEM(oldname->name, oldname->len);
-
- RESERVE_SPACE(4 + newname->len);
- WRITE32(newname->len);
- WRITEMEM(newname->name, newname->len);
-
- return 0;
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_RENAME);
+ encode_string(xdr, oldname->len, oldname->name);
+ encode_string(xdr, newname->len, newname->name);
+ hdr->nops++;
+ hdr->replen += decode_rename_maxsz;
}
-static int encode_renew(struct xdr_stream *xdr, const struct nfs4_client *client_stateid)
+static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(12);
- WRITE32(OP_RENEW);
- WRITE64(client_stateid->cl_clientid);
-
- return 0;
+ p = reserve_space(xdr, 12);
+ *p++ = cpu_to_be32(OP_RENEW);
+ xdr_encode_hyper(p, client_stateid->cl_clientid);
+ hdr->nops++;
+ hdr->replen += decode_renew_maxsz;
}
-static int
-encode_restorefh(struct xdr_stream *xdr)
+static void
+encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
- uint32_t *p;
-
- RESERVE_SPACE(4);
- WRITE32(OP_RESTOREFH);
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_RESTOREFH);
+ hdr->nops++;
+ hdr->replen += decode_restorefh_maxsz;
}
static int
-encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg)
+encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4+sizeof(zero_stateid.data));
- WRITE32(OP_SETATTR);
- WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
- RESERVE_SPACE(2*4);
- WRITE32(1);
- WRITE32(FATTR4_WORD0_ACL);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
+ *p++ = cpu_to_be32(OP_SETATTR);
+ xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
+ p = reserve_space(xdr, 2*4);
+ *p++ = cpu_to_be32(1);
+ *p = cpu_to_be32(FATTR4_WORD0_ACL);
if (arg->acl_len % 4)
return -EINVAL;
- RESERVE_SPACE(4);
- WRITE32(arg->acl_len);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(arg->acl_len);
xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len);
+ hdr->nops++;
+ hdr->replen += decode_setacl_maxsz;
return 0;
}
-static int
-encode_savefh(struct xdr_stream *xdr)
+static void
+encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4);
- WRITE32(OP_SAVEFH);
-
- return 0;
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_SAVEFH);
+ hdr->nops++;
+ hdr->replen += decode_savefh_maxsz;
}
-static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server)
+static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr)
{
- int status;
- uint32_t *p;
-
- RESERVE_SPACE(4+sizeof(arg->stateid.data));
- WRITE32(OP_SETATTR);
- WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
-
- if ((status = encode_attrs(xdr, arg->iap, server)))
- return status;
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
+ *p++ = cpu_to_be32(OP_SETATTR);
+ xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE);
+ hdr->nops++;
+ hdr->replen += decode_setattr_maxsz;
+ encode_attrs(xdr, arg->iap, server);
}
-static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid)
+static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4 + sizeof(setclientid->sc_verifier->data));
- WRITE32(OP_SETCLIENTID);
- WRITEMEM(setclientid->sc_verifier->data, sizeof(setclientid->sc_verifier->data));
+ p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE);
+ *p++ = cpu_to_be32(OP_SETCLIENTID);
+ xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE);
encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name);
- RESERVE_SPACE(4);
- WRITE32(setclientid->sc_prog);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(setclientid->sc_prog);
encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid);
encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr);
- RESERVE_SPACE(4);
- WRITE32(setclientid->sc_cb_ident);
-
- return 0;
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(setclientid->sc_cb_ident);
+ hdr->nops++;
+ hdr->replen += decode_setclientid_maxsz;
}
-static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_client *client_state)
+static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state, struct compound_hdr *hdr)
{
- uint32_t *p;
-
- RESERVE_SPACE(12 + sizeof(client_state->cl_confirm.data));
- WRITE32(OP_SETCLIENTID_CONFIRM);
- WRITE64(client_state->cl_clientid);
- WRITEMEM(client_state->cl_confirm.data, sizeof(client_state->cl_confirm.data));
+ __be32 *p;
- return 0;
+ p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE);
+ *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM);
+ p = xdr_encode_hyper(p, client_state->cl_clientid);
+ xdr_encode_opaque_fixed(p, client_state->cl_confirm.data, NFS4_VERIFIER_SIZE);
+ hdr->nops++;
+ hdr->replen += decode_setclientid_confirm_maxsz;
}
-static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args)
+static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(4);
- WRITE32(OP_WRITE);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_WRITE);
encode_stateid(xdr, args->context);
- RESERVE_SPACE(16);
- WRITE64(args->offset);
- WRITE32(args->stable);
- WRITE32(args->count);
+ p = reserve_space(xdr, 16);
+ p = xdr_encode_hyper(p, args->offset);
+ *p++ = cpu_to_be32(args->stable);
+ *p = cpu_to_be32(args->count);
xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
+ hdr->nops++;
+ hdr->replen += decode_write_maxsz;
+}
- return 0;
+static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr)
+{
+ __be32 *p;
+
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
+
+ *p++ = cpu_to_be32(OP_DELEGRETURN);
+ xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE);
+ hdr->nops++;
+ hdr->replen += decode_delegreturn_maxsz;
}
-static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid)
+#if defined(CONFIG_NFS_V4_1)
+/* NFSv4.1 operations */
+static void encode_exchange_id(struct xdr_stream *xdr,
+ struct nfs41_exchange_id_args *args,
+ struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
- RESERVE_SPACE(20);
+ p = reserve_space(xdr, 4 + sizeof(args->verifier->data));
+ *p++ = cpu_to_be32(OP_EXCHANGE_ID);
+ xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data));
- WRITE32(OP_DELEGRETURN);
- WRITEMEM(stateid->data, sizeof(stateid->data));
- return 0;
+ encode_string(xdr, args->id_len, args->id);
+
+ p = reserve_space(xdr, 12);
+ *p++ = cpu_to_be32(args->flags);
+ *p++ = cpu_to_be32(0); /* zero length state_protect4_a */
+ *p = cpu_to_be32(0); /* zero length implementation id array */
+ hdr->nops++;
+ hdr->replen += decode_exchange_id_maxsz;
+}
+
+static void encode_create_session(struct xdr_stream *xdr,
+ struct nfs41_create_session_args *args,
+ struct compound_hdr *hdr)
+{
+ __be32 *p;
+ char machine_name[NFS4_MAX_MACHINE_NAME_LEN];
+ uint32_t len;
+ struct nfs_client *clp = args->client;
+
+ len = scnprintf(machine_name, sizeof(machine_name), "%s",
+ clp->cl_ipaddr);
+
+ p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12);
+ *p++ = cpu_to_be32(OP_CREATE_SESSION);
+ p = xdr_encode_hyper(p, clp->cl_ex_clid);
+ *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */
+ *p++ = cpu_to_be32(args->flags); /*flags */
+
+ /* Fore Channel */
+ *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */
+ *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */
+ *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */
+ *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz_cached); /* Max resp sz cached */
+ *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */
+ *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */
+ *p++ = cpu_to_be32(0); /* rdmachannel_attrs */
+
+ /* Back Channel */
+ *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */
+ *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */
+ *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */
+ *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */
+ *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */
+ *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */
+ *p++ = cpu_to_be32(0); /* rdmachannel_attrs */
+
+ *p++ = cpu_to_be32(args->cb_program); /* cb_program */
+ *p++ = cpu_to_be32(1);
+ *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */
+
+ /* authsys_parms rfc1831 */
+ *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */
+ p = xdr_encode_opaque(p, machine_name, len);
+ *p++ = cpu_to_be32(0); /* UID */
+ *p++ = cpu_to_be32(0); /* GID */
+ *p = cpu_to_be32(0); /* No more gids */
+ hdr->nops++;
+ hdr->replen += decode_create_session_maxsz;
+}
+
+static void encode_destroy_session(struct xdr_stream *xdr,
+ struct nfs4_session *session,
+ struct compound_hdr *hdr)
+{
+ __be32 *p;
+ p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN);
+ *p++ = cpu_to_be32(OP_DESTROY_SESSION);
+ xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
+ hdr->nops++;
+ hdr->replen += decode_destroy_session_maxsz;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+static void encode_sequence(struct xdr_stream *xdr,
+ const struct nfs4_sequence_args *args,
+ struct compound_hdr *hdr)
+{
+#if defined(CONFIG_NFS_V4_1)
+ struct nfs4_session *session = args->sa_session;
+ struct nfs4_slot_table *tp;
+ struct nfs4_slot *slot;
+ __be32 *p;
+
+ if (!session)
+ return;
+
+ tp = &session->fc_slot_table;
+
+ WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE);
+ slot = tp->slots + args->sa_slotid;
+
+ p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16);
+ *p++ = cpu_to_be32(OP_SEQUENCE);
+ /*
+ * Sessionid + seqid + slotid + max slotid + cache_this
+ */
+ dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d "
+ "max_slotid=%d cache_this=%d\n",
+ __func__,
+ ((u32 *)session->sess_id.data)[0],
+ ((u32 *)session->sess_id.data)[1],
+ ((u32 *)session->sess_id.data)[2],
+ ((u32 *)session->sess_id.data)[3],
+ slot->seq_nr, args->sa_slotid,
+ tp->highest_used_slotid, args->sa_cache_this);
+ p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
+ *p++ = cpu_to_be32(slot->seq_nr);
+ *p++ = cpu_to_be32(args->sa_slotid);
+ *p++ = cpu_to_be32(tp->highest_used_slotid);
+ *p = cpu_to_be32(args->sa_cache_this);
+ hdr->nops++;
+ hdr->replen += decode_sequence_maxsz;
+#endif /* CONFIG_NFS_V4_1 */
}
+
/*
* END OF "GENERIC" ENCODE ROUTINES.
*/
+static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args)
+{
+#if defined(CONFIG_NFS_V4_1)
+ if (args->sa_session)
+ return args->sa_session->clp->cl_minorversion;
+#endif /* CONFIG_NFS_V4_1 */
+ return 0;
+}
+
/*
* Encode an ACCESS request
*/
-static int nfs4_xdr_enc_access(struct rpc_rqst *req, uint32_t *p, const struct nfs4_accessargs *args)
+static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putfh(&xdr, args->fh)) == 0)
- status = encode_access(&xdr, args->access);
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_access(&xdr, args->access, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode LOOKUP request
*/
-static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_arg *args)
+static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 4,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
- goto out;
- if ((status = encode_lookup(&xdr, args->name)) != 0)
- goto out;
- if ((status = encode_getfh(&xdr)) != 0)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->dir_fh, &hdr);
+ encode_lookup(&xdr, args->name, &hdr);
+ encode_getfh(&xdr, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode LOOKUP_ROOT request
*/
-static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_root_arg *args)
+static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putrootfh(&xdr)) != 0)
- goto out;
- if ((status = encode_getfh(&xdr)) == 0)
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putrootfh(&xdr, &hdr);
+ encode_getfh(&xdr, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode REMOVE request
*/
-static int nfs4_xdr_enc_remove(struct rpc_rqst *req, uint32_t *p, const struct nfs4_remove_arg *args)
+static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putfh(&xdr, args->fh)) != 0)
- goto out;
- if ((status = encode_remove(&xdr, args->name)) != 0)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_remove(&xdr, &args->name, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode RENAME request
*/
-static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct nfs4_rename_arg *args)
+static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 7,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putfh(&xdr, args->old_dir)) != 0)
- goto out;
- if ((status = encode_savefh(&xdr)) != 0)
- goto out;
- if ((status = encode_putfh(&xdr, args->new_dir)) != 0)
- goto out;
- if ((status = encode_rename(&xdr, args->old_name, args->new_name)) != 0)
- goto out;
- if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
- goto out;
- if ((status = encode_restorefh(&xdr)) != 0)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->old_dir, &hdr);
+ encode_savefh(&xdr, &hdr);
+ encode_putfh(&xdr, args->new_dir, &hdr);
+ encode_rename(&xdr, args->old_name, args->new_name, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_restorefh(&xdr, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode LINK request
*/
-static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs4_link_arg *args)
+static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 7,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putfh(&xdr, args->fh)) != 0)
- goto out;
- if ((status = encode_savefh(&xdr)) != 0)
- goto out;
- if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
- goto out;
- if ((status = encode_link(&xdr, args->name)) != 0)
- goto out;
- if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
- goto out;
- if ((status = encode_restorefh(&xdr)) != 0)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_savefh(&xdr, &hdr);
+ encode_putfh(&xdr, args->dir_fh, &hdr);
+ encode_link(&xdr, args->name, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_restorefh(&xdr, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode CREATE request
*/
-static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
+static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 7,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
- goto out;
- if ((status = encode_savefh(&xdr)) != 0)
- goto out;
- if ((status = encode_create(&xdr, args)) != 0)
- goto out;
- if ((status = encode_getfh(&xdr)) != 0)
- goto out;
- if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
- goto out;
- if ((status = encode_restorefh(&xdr)) != 0)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->dir_fh, &hdr);
+ encode_savefh(&xdr, &hdr);
+ encode_create(&xdr, args, &hdr);
+ encode_getfh(&xdr, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_restorefh(&xdr, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode SYMLINK request
*/
-static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
+static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args)
{
return nfs4_xdr_enc_create(req, p, args);
}
/*
* Encode GETATTR request
*/
-static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, uint32_t *p, const struct nfs4_getattr_arg *args)
+static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putfh(&xdr, args->fh)) == 0)
- status = encode_getfattr(&xdr, args->bitmask);
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a CLOSE request
*/
-static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr = {
- .nops = 3,
- };
- int status;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if(status)
- goto out;
- status = encode_close(&xdr, args);
- if (status != 0)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
+ };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_close(&xdr, args, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode an OPEN request
*/
-static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
+static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 7,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status)
- goto out;
- status = encode_savefh(&xdr);
- if (status)
- goto out;
- status = encode_open(&xdr, args);
- if (status)
- goto out;
- status = encode_getfh(&xdr);
- if (status)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
- if (status)
- goto out;
- status = encode_restorefh(&xdr);
- if (status)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_savefh(&xdr, &hdr);
+ encode_open(&xdr, args, &hdr);
+ encode_getfh(&xdr, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_restorefh(&xdr, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode an OPEN_CONFIRM request
*/
-static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_open_confirmargs *args)
+static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .nops = 0,
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if(status)
- goto out;
- status = encode_open_confirm(&xdr, args);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_open_confirm(&xdr, args, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode an OPEN request with no attributes.
*/
-static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
+static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status)
- goto out;
- status = encode_open(&xdr, args);
- if (status)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_open(&xdr, args, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode an OPEN_DOWNGRADE request
*/
-static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
+static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status)
- goto out;
- status = encode_open_downgrade(&xdr, args);
- if (status != 0)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_open_downgrade(&xdr, args, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a LOCK request
*/
-static int nfs4_xdr_enc_lock(struct rpc_rqst *req, uint32_t *p, struct nfs_lock_args *args)
+static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if(status)
- goto out;
- status = encode_lock(&xdr, args);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_lock(&xdr, args, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a LOCKT request
*/
-static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, uint32_t *p, struct nfs_lockt_args *args)
+static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if(status)
- goto out;
- status = encode_lockt(&xdr, args);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_lockt(&xdr, args, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a LOCKU request
*/
-static int nfs4_xdr_enc_locku(struct rpc_rqst *req, uint32_t *p, struct nfs_locku_args *args)
+static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if(status)
- goto out;
- status = encode_locku(&xdr, args);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_locku(&xdr, args, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a READLINK request
*/
-static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readlink *args)
+static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if(status)
- goto out;
- status = encode_readlink(&xdr, args, req);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_readlink(&xdr, args, req, &hdr);
+
+ xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages,
+ args->pgbase, args->pglen);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a READDIR request
*/
-static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readdir_arg *args)
+static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if(status)
- goto out;
- status = encode_readdir(&xdr, args, req);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_readdir(&xdr, args, req, &hdr);
+
+ xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages,
+ args->pgbase, args->count);
+ dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
+ __func__, hdr.replen << 2, args->pages,
+ args->pgbase, args->count);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a READ request
*/
-static int nfs4_xdr_enc_read(struct rpc_rqst *req, uint32_t *p, struct nfs_readargs *args)
+static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args)
{
- struct rpc_auth *auth = req->rq_task->tk_auth;
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int replen, status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status)
- goto out;
- status = encode_read(&xdr, args);
- if (status)
- goto out;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_read(&xdr, args, &hdr);
- /* set up reply kvec
- * toplevel status + taglen=0 + rescount + OP_PUTFH + status
- * + OP_READ + status + eof + datalen = 9
- */
- replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2;
- xdr_inline_pages(&req->rq_rcv_buf, replen,
+ xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2,
args->pages, args->pgbase, args->count);
-out:
- return status;
+ req->rq_rcv_buf.flags |= XDRBUF_READ;
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode an SETATTR request
*/
-static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, uint32_t *p, struct nfs_setattrargs *args)
-
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr = {
- .nops = 3,
- };
- int status;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if(status)
- goto out;
- status = encode_setattr(&xdr, args, args->server);
- if(status)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
+ };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_setattr(&xdr, args, args->server, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a GETACL request
*/
static int
-nfs4_xdr_enc_getacl(struct rpc_rqst *req, uint32_t *p,
+nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p,
struct nfs_getaclargs *args)
{
struct xdr_stream xdr;
- struct rpc_auth *auth = req->rq_task->tk_auth;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int replen, status;
+ uint32_t replen;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status)
- goto out;
- status = encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0);
- /* set up reply buffer: */
- replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2;
- xdr_inline_pages(&req->rq_rcv_buf, replen,
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1;
+ encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0, &hdr);
+
+ xdr_inline_pages(&req->rq_rcv_buf, replen << 2,
args->acl_pages, args->acl_pgbase, args->acl_len);
-out:
- return status;
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode a WRITE request
*/
-static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
+static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status)
- goto out;
- status = encode_write(&xdr, args);
- if (status)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_write(&xdr, args, &hdr);
+ req->rq_snd_buf.flags |= XDRBUF_WRITE;
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* a COMMIT request
*/
-static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
+static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status)
- goto out;
- status = encode_commit(&xdr, args);
- if (status)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_commit(&xdr, args, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* FSINFO request
*/
-static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fsinfo_arg *args)
+static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (!status)
- status = encode_fsinfo(&xdr, args->bitmask);
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_fsinfo(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* a PATHCONF request
*/
-static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct nfs4_pathconf_arg *args)
+static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (!status)
- status = encode_getattr_one(&xdr,
- args->bitmask[0] & nfs4_pathconf_bitmap[0]);
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_getattr_one(&xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0],
+ &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* a STATFS request
*/
-static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct nfs4_statfs_arg *args)
+static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status == 0)
- status = encode_getattr_two(&xdr,
- args->bitmask[0] & nfs4_statfs_bitmap[0],
- args->bitmask[1] & nfs4_statfs_bitmap[1]);
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ encode_getattr_two(&xdr, args->bitmask[0] & nfs4_statfs_bitmap[0],
+ args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* GETATTR_BITMAP request
*/
-static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const struct nfs_fh *fhandle)
+static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p,
+ struct nfs4_server_caps_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 2,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, fhandle);
- if (status == 0)
- status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
- FATTR4_WORD0_LINK_SUPPORT|
- FATTR4_WORD0_SYMLINK_SUPPORT|
- FATTR4_WORD0_ACLSUPPORT);
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fhandle, &hdr);
+ encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
+ FATTR4_WORD0_LINK_SUPPORT|
+ FATTR4_WORD0_SYMLINK_SUPPORT|
+ FATTR4_WORD0_ACLSUPPORT, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* a RENEW request
*/
-static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
+static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 1,
+ .nops = 0,
};
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- return encode_renew(&xdr, clp);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_renew(&xdr, clp, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* a SETCLIENTID request
*/
-static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nfs4_setclientid *sc)
+static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 1,
+ .nops = 0,
};
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- return encode_setclientid(&xdr, sc);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_setclientid(&xdr, sc, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* a SETCLIENTID_CONFIRM request
*/
-static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
+static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .nops = 0,
};
const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_setclientid_confirm(&xdr, clp);
- if (!status)
- status = encode_putrootfh(&xdr);
- if (!status)
- status = encode_fsinfo(&xdr, lease_bitmap);
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_setclientid_confirm(&xdr, clp, &hdr);
+ encode_putrootfh(&xdr, &hdr);
+ encode_fsinfo(&xdr, lease_bitmap, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* DELEGRETURN request
*/
-static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, uint32_t *p, const struct nfs4_delegreturnargs *args)
+static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fhandle);
- if (status != 0)
- goto out;
- status = encode_delegreturn(&xdr, args->stateid);
- if (status != 0)
- goto out;
- status = encode_getfattr(&xdr, args->bitmask);
-out:
- return status;
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fhandle, &hdr);
+ encode_delegreturn(&xdr, args->stateid, &hdr);
+ encode_getfattr(&xdr, args->bitmask, &hdr);
+ encode_nops(&hdr);
+ return 0;
}
/*
* Encode FS_LOCATIONS request
*/
-static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, uint32_t *p, struct nfs4_fs_locations_arg *args)
+static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
- .nops = 3,
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
};
- struct rpc_auth *auth = req->rq_task->tk_auth;
- int replen;
- int status;
+ uint32_t replen;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
- goto out;
- if ((status = encode_lookup(&xdr, args->name)) != 0)
- goto out;
- if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
- goto out;
- /* set up reply
- * toplevel_status + taglen + rescount + OP_PUTFH + status
- * + OP_LOOKUP + status + OP_GETATTR + status = 7
- */
- replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2;
- xdr_inline_pages(&req->rq_rcv_buf, replen, &args->page,
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->dir_fh, &hdr);
+ encode_lookup(&xdr, args->name, &hdr);
+ replen = hdr.replen; /* get the attribute into args->page */
+ encode_fs_locations(&xdr, args->bitmask, &hdr);
+
+ xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page,
0, PAGE_SIZE);
-out:
- return status;
+ encode_nops(&hdr);
+ return 0;
}
+#if defined(CONFIG_NFS_V4_1)
/*
- * START OF "GENERIC" DECODE ROUTINES.
- * These may look a little ugly since they are imported from a "generic"
- * set of XDR encode/decode routines which are intended to be shared by
- * all of our NFSv4 implementations (OpenBSD, MacOS X...).
- *
- * If the pain of reading these is too great, it should be a straightforward
- * task to translate them into Linux-specific versions which are more
- * consistent with the style used in NFSv2/v3...
+ * EXCHANGE_ID request
+ */
+static int nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, uint32_t *p,
+ struct nfs41_exchange_id_args *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .minorversion = args->client->cl_minorversion,
+ };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_exchange_id(&xdr, args, &hdr);
+ encode_nops(&hdr);
+ return 0;
+}
+
+/*
+ * a CREATE_SESSION request
+ */
+static int nfs4_xdr_enc_create_session(struct rpc_rqst *req, uint32_t *p,
+ struct nfs41_create_session_args *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .minorversion = args->client->cl_minorversion,
+ };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_create_session(&xdr, args, &hdr);
+ encode_nops(&hdr);
+ return 0;
+}
+
+/*
+ * a DESTROY_SESSION request
+ */
+static int nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, uint32_t *p,
+ struct nfs4_session *session)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .minorversion = session->clp->cl_minorversion,
+ };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_destroy_session(&xdr, session, &hdr);
+ encode_nops(&hdr);
+ return 0;
+}
+
+/*
+ * a SEQUENCE request
+ */
+static int nfs4_xdr_enc_sequence(struct rpc_rqst *req, uint32_t *p,
+ struct nfs4_sequence_args *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .minorversion = nfs4_xdr_minorversion(args),
+ };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, args, &hdr);
+ encode_nops(&hdr);
+ return 0;
+}
+
+/*
+ * a GET_LEASE_TIME request
*/
-#define READ32(x) (x) = ntohl(*p++)
-#define READ64(x) do { \
- (x) = (u64)ntohl(*p++) << 32; \
- (x) |= ntohl(*p++); \
-} while (0)
-#define READTIME(x) do { \
- p++; \
- (x.tv_sec) = ntohl(*p++); \
- (x.tv_nsec) = ntohl(*p++); \
-} while (0)
-#define COPYMEM(x,nbytes) do { \
- memcpy((x), p, nbytes); \
- p += XDR_QUADLEN(nbytes); \
-} while (0)
-
-#define READ_BUF(nbytes) do { \
- p = xdr_inline_decode(xdr, nbytes); \
- if (!p) { \
- printk(KERN_WARNING "%s: reply buffer overflowed in line %d.", \
- __FUNCTION__, __LINE__); \
- return -EIO; \
- } \
-} while (0)
+static int nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, uint32_t *p,
+ struct nfs4_get_lease_time_args *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .minorversion = nfs4_xdr_minorversion(&args->la_seq_args),
+ };
+ const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->la_seq_args, &hdr);
+ encode_putrootfh(&xdr, &hdr);
+ encode_fsinfo(&xdr, lease_bitmap, &hdr);
+ encode_nops(&hdr);
+ return 0;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+static void print_overflow_msg(const char *func, const struct xdr_stream *xdr)
+{
+ dprintk("nfs: %s: prematurely hit end of receive buffer. "
+ "Remaining buffer length is %tu words.\n",
+ func, xdr->end - xdr->p);
+}
static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string)
{
- uint32_t *p;
+ __be32 *p;
- READ_BUF(4);
- READ32(*len);
- READ_BUF(*len);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *len = be32_to_cpup(p);
+ p = xdr_inline_decode(xdr, *len);
+ if (unlikely(!p))
+ goto out_overflow;
*string = (char *)p;
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
- uint32_t *p;
+ __be32 *p;
+
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ hdr->status = be32_to_cpup(p++);
+ hdr->taglen = be32_to_cpup(p);
- READ_BUF(8);
- READ32(hdr->status);
- READ32(hdr->taglen);
-
- READ_BUF(hdr->taglen + 4);
+ p = xdr_inline_decode(xdr, hdr->taglen + 4);
+ if (unlikely(!p))
+ goto out_overflow;
hdr->tag = (char *)p;
p += XDR_QUADLEN(hdr->taglen);
- READ32(hdr->nops);
+ hdr->nops = be32_to_cpup(p);
+ if (unlikely(hdr->nops < 1))
+ return nfs4_stat_to_errno(hdr->status);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
{
- uint32_t *p;
+ __be32 *p;
uint32_t opnum;
int32_t nfserr;
- READ_BUF(8);
- READ32(opnum);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ opnum = be32_to_cpup(p++);
if (opnum != expected) {
- printk(KERN_NOTICE
- "nfs4_decode_op_hdr: Server returned operation"
- " %d but we issued a request for %d\n",
+ dprintk("nfs: Server returned operation"
+ " %d but we issued a request for %d\n",
opnum, expected);
return -EIO;
}
- READ32(nfserr);
+ nfserr = be32_to_cpup(p);
if (nfserr != NFS_OK)
- return -nfs_stat_to_errno(nfserr);
+ return nfs4_stat_to_errno(nfserr);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
/* Dummy routine */
-static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs4_client *clp)
+static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp)
{
- uint32_t *p;
+ __be32 *p;
unsigned int strlen;
char *str;
- READ_BUF(12);
- return decode_opaque_inline(xdr, &strlen, &str);
+ p = xdr_inline_decode(xdr, 12);
+ if (likely(p))
+ return decode_opaque_inline(xdr, &strlen, &str);
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
{
- uint32_t bmlen, *p;
+ uint32_t bmlen;
+ __be32 *p;
- READ_BUF(4);
- READ32(bmlen);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ bmlen = be32_to_cpup(p);
bitmap[0] = bitmap[1] = 0;
- READ_BUF((bmlen << 2));
+ p = xdr_inline_decode(xdr, (bmlen << 2));
+ if (unlikely(!p))
+ goto out_overflow;
if (bmlen > 0) {
- READ32(bitmap[0]);
+ bitmap[0] = be32_to_cpup(p++);
if (bmlen > 1)
- READ32(bitmap[1]);
+ bitmap[1] = be32_to_cpup(p);
}
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
-static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, uint32_t **savep)
+static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep)
{
- uint32_t *p;
+ __be32 *p;
- READ_BUF(4);
- READ32(*attrlen);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *attrlen = be32_to_cpup(p);
*savep = xdr->p;
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask)
bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS;
} else
bitmask[0] = bitmask[1] = 0;
- dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]);
+ dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]);
return 0;
}
static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type)
{
- uint32_t *p;
+ __be32 *p;
+ int ret = 0;
*type = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) {
- READ_BUF(4);
- READ32(*type);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *type = be32_to_cpup(p);
if (*type < NF4REG || *type > NF4NAMEDATTR) {
- dprintk("%s: bad type %d\n", __FUNCTION__, *type);
+ dprintk("%s: bad type %d\n", __func__, *type);
return -EIO;
}
bitmap[0] &= ~FATTR4_WORD0_TYPE;
+ ret = NFS_ATTR_FATTR_TYPE;
}
- dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type);
- return 0;
+ dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change)
{
- uint32_t *p;
+ __be32 *p;
+ int ret = 0;
*change = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) {
- READ_BUF(8);
- READ64(*change);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, change);
bitmap[0] &= ~FATTR4_WORD0_CHANGE;
+ ret = NFS_ATTR_FATTR_CHANGE;
}
- dprintk("%s: change attribute=%Lu\n", __FUNCTION__,
+ dprintk("%s: change attribute=%Lu\n", __func__,
(unsigned long long)*change);
- return 0;
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size)
{
- uint32_t *p;
+ __be32 *p;
+ int ret = 0;
*size = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) {
- READ_BUF(8);
- READ64(*size);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, size);
bitmap[0] &= ~FATTR4_WORD0_SIZE;
+ ret = NFS_ATTR_FATTR_SIZE;
}
- dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size);
- return 0;
+ dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
{
- uint32_t *p;
+ __be32 *p;
*res = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) {
- READ_BUF(4);
- READ32(*res);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *res = be32_to_cpup(p);
bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
}
- dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
+ dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true");
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
{
- uint32_t *p;
+ __be32 *p;
*res = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) {
- READ_BUF(4);
- READ32(*res);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *res = be32_to_cpup(p);
bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
}
- dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
+ dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true");
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid)
{
- uint32_t *p;
+ __be32 *p;
+ int ret = 0;
fsid->major = 0;
fsid->minor = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FSID)) {
- READ_BUF(16);
- READ64(fsid->major);
- READ64(fsid->minor);
+ p = xdr_inline_decode(xdr, 16);
+ if (unlikely(!p))
+ goto out_overflow;
+ p = xdr_decode_hyper(p, &fsid->major);
+ xdr_decode_hyper(p, &fsid->minor);
bitmap[0] &= ~FATTR4_WORD0_FSID;
+ ret = NFS_ATTR_FATTR_FSID;
}
- dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__,
+ dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__,
(unsigned long long)fsid->major,
(unsigned long long)fsid->minor);
- return 0;
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
{
- uint32_t *p;
+ __be32 *p;
*res = 60;
if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) {
- READ_BUF(4);
- READ32(*res);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *res = be32_to_cpup(p);
bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
}
- dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res);
+ dprintk("%s: file size=%u\n", __func__, (unsigned int)*res);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
{
- uint32_t *p;
+ __be32 *p;
*res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL;
if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
- READ_BUF(4);
- READ32(*res);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *res = be32_to_cpup(p);
bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
}
- dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res);
+ dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
{
- uint32_t *p;
+ __be32 *p;
+ int ret = 0;
*fileid = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) {
- READ_BUF(8);
- READ64(*fileid);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, fileid);
bitmap[0] &= ~FATTR4_WORD0_FILEID;
+ ret = NFS_ATTR_FATTR_FILEID;
}
- dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid);
- return 0;
+ dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
{
- uint32_t *p;
+ __be32 *p;
+ int ret = 0;
*fileid = 0;
if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) {
- READ_BUF(8);
- READ64(*fileid);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, fileid);
bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
+ ret = NFS_ATTR_FATTR_FILEID;
}
- dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid);
- return 0;
+ dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) {
- READ_BUF(8);
- READ64(*res);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, res);
bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL;
}
- dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) {
- READ_BUF(8);
- READ64(*res);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, res);
bitmap[0] &= ~FATTR4_WORD0_FILES_FREE;
}
- dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) {
- READ_BUF(8);
- READ64(*res);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, res);
bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL;
}
- dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path)
{
- int n;
- uint32_t *p;
+ u32 n;
+ __be32 *p;
int status = 0;
- READ_BUF(4);
- READ32(n);
- if (n <= 0)
- goto out_eio;
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ n = be32_to_cpup(p);
+ if (n == 0)
+ goto root_path;
dprintk("path ");
path->ncomponents = 0;
while (path->ncomponents < n) {
out:
dprintk("\n");
return status;
+root_path:
+/* a root pathname is sent as a zero component4 */
+ path->ncomponents = 1;
+ path->components[0].len=0;
+ path->components[0].data=NULL;
+ dprintk("path /\n");
+ goto out;
out_eio:
dprintk(" status %d", status);
status = -EIO;
goto out;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res)
{
int n;
- uint32_t *p;
+ __be32 *p;
int status = -EIO;
if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U)))
status = 0;
if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS)))
goto out;
- dprintk("%s: fsroot ", __FUNCTION__);
+ dprintk("%s: fsroot ", __func__);
status = decode_pathname(xdr, &res->fs_path);
if (unlikely(status != 0))
goto out;
- READ_BUF(4);
- READ32(n);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ n = be32_to_cpup(p);
if (n <= 0)
goto out_eio;
res->nlocations = 0;
while (res->nlocations < n) {
- int m;
+ u32 m;
struct nfs4_fs_location *loc = &res->locations[res->nlocations];
- READ_BUF(4);
- READ32(m);
- if (m <= 0)
- goto out_eio;
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ m = be32_to_cpup(p);
loc->nservers = 0;
- dprintk("%s: servers ", __FUNCTION__);
+ dprintk("%s: servers ", __func__);
while (loc->nservers < m) {
struct nfs4_string *server = &loc->servers[loc->nservers];
status = decode_opaque_inline(xdr, &server->len, &server->data);
if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS)
loc->nservers++;
else {
- int i;
- dprintk("%s: using first %d of %d servers returned for location %d\n", __FUNCTION__, NFS4_FS_LOCATION_MAXSERVERS, m, res->nlocations);
+ unsigned int i;
+ dprintk("%s: using first %u of %u servers "
+ "returned for location %u\n",
+ __func__,
+ NFS4_FS_LOCATION_MAXSERVERS,
+ m, res->nlocations);
for (i = loc->nservers; i < m; i++) {
- int len;
+ unsigned int len;
char *data;
status = decode_opaque_inline(xdr, &len, &data);
if (unlikely(status != 0))
if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES)
res->nlocations++;
}
+ if (res->nlocations != 0)
+ status = NFS_ATTR_FATTR_V4_REFERRAL;
out:
- dprintk("%s: fs_locations done, error = %d\n", __FUNCTION__, status);
+ dprintk("%s: fs_locations done, error = %d\n", __func__, status);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
out_eio:
status = -EIO;
goto out;
static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 0;
if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) {
- READ_BUF(8);
- READ64(*res);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, res);
bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE;
}
- dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*maxlink = 1;
if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) {
- READ_BUF(4);
- READ32(*maxlink);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *maxlink = be32_to_cpup(p);
bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
}
- dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink);
+ dprintk("%s: maxlink=%u\n", __func__, *maxlink);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*maxname = 1024;
if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) {
- READ_BUF(4);
- READ32(*maxname);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *maxname = be32_to_cpup(p);
bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
}
- dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname);
+ dprintk("%s: maxname=%u\n", __func__, *maxname);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 1024;
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) {
uint64_t maxread;
- READ_BUF(8);
- READ64(maxread);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, &maxread);
if (maxread > 0x7FFFFFFF)
maxread = 0x7FFFFFFF;
*res = (uint32_t)maxread;
bitmap[0] &= ~FATTR4_WORD0_MAXREAD;
}
- dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res);
+ dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 1024;
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) {
uint64_t maxwrite;
- READ_BUF(8);
- READ64(maxwrite);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, &maxwrite);
if (maxwrite > 0x7FFFFFFF)
maxwrite = 0x7FFFFFFF;
*res = (uint32_t)maxwrite;
bitmap[0] &= ~FATTR4_WORD0_MAXWRITE;
}
- dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res);
+ dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
-static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode)
+static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode)
{
- uint32_t *p;
+ uint32_t tmp;
+ __be32 *p;
+ int ret = 0;
*mode = 0;
if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
- READ_BUF(4);
- READ32(*mode);
- *mode &= ~S_IFMT;
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ tmp = be32_to_cpup(p);
+ *mode = tmp & ~S_IFMT;
bitmap[1] &= ~FATTR4_WORD1_MODE;
+ ret = NFS_ATTR_FATTR_MODE;
}
- dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode);
- return 0;
+ dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink)
{
- uint32_t *p;
+ __be32 *p;
+ int ret = 0;
*nlink = 1;
if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) {
- READ_BUF(4);
- READ32(*nlink);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ *nlink = be32_to_cpup(p);
bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
+ ret = NFS_ATTR_FATTR_NLINK;
}
- dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink);
- return 0;
+ dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
-static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *uid)
+static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap,
+ struct nfs_client *clp, uint32_t *uid, int may_sleep)
{
- uint32_t len, *p;
+ uint32_t len;
+ __be32 *p;
+ int ret = 0;
*uid = -2;
if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) {
- READ_BUF(4);
- READ32(len);
- READ_BUF(len);
- if (len < XDR_MAX_NETOBJ) {
- if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0)
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ len = be32_to_cpup(p);
+ p = xdr_inline_decode(xdr, len);
+ if (unlikely(!p))
+ goto out_overflow;
+ if (!may_sleep) {
+ /* do nothing */
+ } else if (len < XDR_MAX_NETOBJ) {
+ if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
+ ret = NFS_ATTR_FATTR_OWNER;
+ else
dprintk("%s: nfs_map_name_to_uid failed!\n",
- __FUNCTION__);
+ __func__);
} else
- printk(KERN_WARNING "%s: name too long (%u)!\n",
- __FUNCTION__, len);
+ dprintk("%s: name too long (%u)!\n",
+ __func__, len);
bitmap[1] &= ~FATTR4_WORD1_OWNER;
}
- dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid);
- return 0;
+ dprintk("%s: uid=%d\n", __func__, (int)*uid);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
-static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *gid)
+static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap,
+ struct nfs_client *clp, uint32_t *gid, int may_sleep)
{
- uint32_t len, *p;
+ uint32_t len;
+ __be32 *p;
+ int ret = 0;
*gid = -2;
if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) {
- READ_BUF(4);
- READ32(len);
- READ_BUF(len);
- if (len < XDR_MAX_NETOBJ) {
- if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0)
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ len = be32_to_cpup(p);
+ p = xdr_inline_decode(xdr, len);
+ if (unlikely(!p))
+ goto out_overflow;
+ if (!may_sleep) {
+ /* do nothing */
+ } else if (len < XDR_MAX_NETOBJ) {
+ if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
+ ret = NFS_ATTR_FATTR_GROUP;
+ else
dprintk("%s: nfs_map_group_to_gid failed!\n",
- __FUNCTION__);
+ __func__);
} else
- printk(KERN_WARNING "%s: name too long (%u)!\n",
- __FUNCTION__, len);
+ dprintk("%s: name too long (%u)!\n",
+ __func__, len);
bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP;
}
- dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid);
- return 0;
+ dprintk("%s: gid=%d\n", __func__, (int)*gid);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev)
{
- uint32_t major = 0, minor = 0, *p;
+ uint32_t major = 0, minor = 0;
+ __be32 *p;
+ int ret = 0;
*rdev = MKDEV(0,0);
if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U)))
if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) {
dev_t tmp;
- READ_BUF(8);
- READ32(major);
- READ32(minor);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ major = be32_to_cpup(p++);
+ minor = be32_to_cpup(p);
tmp = MKDEV(major, minor);
if (MAJOR(tmp) == major && MINOR(tmp) == minor)
*rdev = tmp;
bitmap[1] &= ~ FATTR4_WORD1_RAWDEV;
+ ret = NFS_ATTR_FATTR_RDEV;
}
- dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor);
- return 0;
+ dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor);
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 0;
if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) {
- READ_BUF(8);
- READ64(*res);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, res);
bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL;
}
- dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 0;
if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) {
- READ_BUF(8);
- READ64(*res);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, res);
bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE;
}
- dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
{
- uint32_t *p;
+ __be32 *p;
int status = 0;
*res = 0;
if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) {
- READ_BUF(8);
- READ64(*res);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, res);
bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL;
}
- dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+ dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res);
return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used)
{
- uint32_t *p;
+ __be32 *p;
+ int ret = 0;
*used = 0;
if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U)))
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) {
- READ_BUF(8);
- READ64(*used);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, used);
bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
+ ret = NFS_ATTR_FATTR_SPACE_USED;
}
- dprintk("%s: space used=%Lu\n", __FUNCTION__,
+ dprintk("%s: space used=%Lu\n", __func__,
(unsigned long long)*used);
- return 0;
+ return ret;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
{
- uint32_t *p;
+ __be32 *p;
uint64_t sec;
uint32_t nsec;
- READ_BUF(12);
- READ64(sec);
- READ32(nsec);
+ p = xdr_inline_decode(xdr, 12);
+ if (unlikely(!p))
+ goto out_overflow;
+ p = xdr_decode_hyper(p, &sec);
+ nsec = be32_to_cpup(p);
time->tv_sec = (time_t)sec;
time->tv_nsec = (long)nsec;
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) {
status = decode_attr_time(xdr, time);
+ if (status == 0)
+ status = NFS_ATTR_FATTR_ATIME;
bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS;
}
- dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+ dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec);
return status;
}
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) {
status = decode_attr_time(xdr, time);
+ if (status == 0)
+ status = NFS_ATTR_FATTR_CTIME;
bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA;
}
- dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+ dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec);
return status;
}
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) {
status = decode_attr_time(xdr, time);
+ if (status == 0)
+ status = NFS_ATTR_FATTR_MTIME;
bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY;
}
- dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+ dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec);
return status;
}
-static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t attrlen)
+static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen)
{
unsigned int attrwords = XDR_QUADLEN(attrlen);
unsigned int nwords = xdr->p - savep;
if (unlikely(attrwords != nwords)) {
- printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n",
- __FUNCTION__,
+ dprintk("%s: server returned incorrect attribute length: "
+ "%u %c %u\n",
+ __func__,
attrwords << 2,
(attrwords < nwords) ? '<' : '>',
nwords << 2);
static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
{
- uint32_t *p;
+ __be32 *p;
- READ_BUF(20);
- READ32(cinfo->atomic);
- READ64(cinfo->before);
- READ64(cinfo->after);
+ p = xdr_inline_decode(xdr, 20);
+ if (unlikely(!p))
+ goto out_overflow;
+ cinfo->atomic = be32_to_cpup(p++);
+ p = xdr_decode_hyper(p, &cinfo->before);
+ xdr_decode_hyper(p, &cinfo->after);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
{
- uint32_t *p;
+ __be32 *p;
uint32_t supp, acc;
int status;
status = decode_op_hdr(xdr, OP_ACCESS);
if (status)
return status;
- READ_BUF(8);
- READ32(supp);
- READ32(acc);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ supp = be32_to_cpup(p++);
+ acc = be32_to_cpup(p);
access->supported = supp;
access->access = acc;
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
+}
+
+static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len)
+{
+ __be32 *p;
+
+ p = xdr_inline_decode(xdr, len);
+ if (likely(p)) {
+ memcpy(buf, p, len);
+ return 0;
+ }
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
+}
+
+static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
+{
+ return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE);
}
static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
{
- uint32_t *p;
int status;
status = decode_op_hdr(xdr, OP_CLOSE);
- if (status)
- return status;
- READ_BUF(sizeof(res->stateid.data));
- COPYMEM(res->stateid.data, sizeof(res->stateid.data));
- return 0;
+ if (status != -EIO)
+ nfs_increment_open_seqid(status, res->seqid);
+ if (!status)
+ status = decode_stateid(xdr, &res->stateid);
+ return status;
+}
+
+static int decode_verifier(struct xdr_stream *xdr, void *verifier)
+{
+ return decode_opaque_fixed(xdr, verifier, 8);
}
static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
{
- uint32_t *p;
int status;
status = decode_op_hdr(xdr, OP_COMMIT);
- if (status)
- return status;
- READ_BUF(8);
- COPYMEM(res->verf->verifier, 8);
- return 0;
+ if (!status)
+ status = decode_verifier(xdr, res->verf->verifier);
+ return status;
}
static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
{
- uint32_t *p;
+ __be32 *p;
uint32_t bmlen;
int status;
return status;
if ((status = decode_change_info(xdr, cinfo)))
return status;
- READ_BUF(4);
- READ32(bmlen);
- READ_BUF(bmlen << 2);
- return 0;
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ bmlen = be32_to_cpup(p);
+ p = xdr_inline_decode(xdr, bmlen << 2);
+ if (likely(p))
+ return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res)
{
- uint32_t *savep;
- uint32_t attrlen,
- bitmap[2] = {0};
+ __be32 *savep;
+ uint32_t attrlen, bitmap[2] = {0};
int status;
if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
goto xdr_error;
status = verify_attr_len(xdr, savep, attrlen);
xdr_error:
- dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
+ dprintk("%s: xdr returned %d!\n", __func__, -status);
return status;
}
-
+
static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat)
{
- uint32_t *savep;
- uint32_t attrlen,
- bitmap[2] = {0};
+ __be32 *savep;
+ uint32_t attrlen, bitmap[2] = {0};
int status;
-
+
if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
goto xdr_error;
if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
status = verify_attr_len(xdr, savep, attrlen);
xdr_error:
- dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
+ dprintk("%s: xdr returned %d!\n", __func__, -status);
return status;
}
static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf)
{
- uint32_t *savep;
- uint32_t attrlen,
- bitmap[2] = {0};
+ __be32 *savep;
+ uint32_t attrlen, bitmap[2] = {0};
int status;
-
+
if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
goto xdr_error;
if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
status = verify_attr_len(xdr, savep, attrlen);
xdr_error:
- dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
+ dprintk("%s: xdr returned %d!\n", __func__, -status);
return status;
}
-static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server)
+static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr,
+ const struct nfs_server *server, int may_sleep)
{
- uint32_t *savep;
+ __be32 *savep;
uint32_t attrlen,
bitmap[2] = {0},
type;
- int status, fmode = 0;
+ int status;
+ umode_t fmode = 0;
uint64_t fileid;
- if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
- goto xdr_error;
- if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
+ status = decode_op_hdr(xdr, OP_GETATTR);
+ if (status < 0)
goto xdr_error;
- fattr->bitmap[0] = bitmap[0];
- fattr->bitmap[1] = bitmap[1];
+ status = decode_attr_bitmap(xdr, bitmap);
+ if (status < 0)
+ goto xdr_error;
- if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
+ status = decode_attr_length(xdr, &attrlen, &savep);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_type(xdr, bitmap, &type)) != 0)
+ status = decode_attr_type(xdr, bitmap, &type);
+ if (status < 0)
goto xdr_error;
- fattr->type = nfs_type2fmt[type].nfs2type;
- fmode = nfs_type2fmt[type].mode;
+ fattr->mode = 0;
+ if (status != 0) {
+ fattr->mode |= nfs_type2fmt[type];
+ fattr->valid |= status;
+ }
- if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0)
+ status = decode_attr_change(xdr, bitmap, &fattr->change_attr);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_size(xdr, bitmap, &fattr->size);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_fsid(xdr, bitmap, &fattr->fsid);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_fileid(xdr, bitmap, &fattr->fileid);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr,
+ fattr->valid |= status;
+
+ status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr,
struct nfs4_fs_locations,
- fattr))) != 0)
+ fattr));
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_mode(xdr, bitmap, &fmode);
+ if (status < 0)
goto xdr_error;
- fattr->mode |= fmode;
- if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0)
+ if (status != 0) {
+ fattr->mode |= fmode;
+ fattr->valid |= status;
+ }
+
+ status = decode_attr_nlink(xdr, bitmap, &fattr->nlink);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_owner(xdr, bitmap, server->nfs4_state, &fattr->uid)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_owner(xdr, bitmap, server->nfs_client,
+ &fattr->uid, may_sleep);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_group(xdr, bitmap, server->nfs4_state, &fattr->gid)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_group(xdr, bitmap, server->nfs_client,
+ &fattr->gid, may_sleep);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_rdev(xdr, bitmap, &fattr->rdev);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_time_access(xdr, bitmap, &fattr->atime);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime);
+ if (status < 0)
goto xdr_error;
- if ((status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid)) != 0)
+ fattr->valid |= status;
+
+ status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid);
+ if (status < 0)
goto xdr_error;
- if (fattr->fileid == 0 && fileid != 0)
+ if (status != 0 && !(fattr->valid & status)) {
fattr->fileid = fileid;
- if ((status = verify_attr_len(xdr, savep, attrlen)) == 0)
- fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4;
+ fattr->valid |= status;
+ }
+
+ status = verify_attr_len(xdr, savep, attrlen);
xdr_error:
- dprintk("%s: xdr returned %d\n", __FUNCTION__, -status);
+ dprintk("%s: xdr returned %d\n", __func__, -status);
return status;
}
static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
{
- uint32_t *savep;
+ __be32 *savep;
uint32_t attrlen, bitmap[2];
int status;
status = verify_attr_len(xdr, savep, attrlen);
xdr_error:
- dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
+ dprintk("%s: xdr returned %d!\n", __func__, -status);
return status;
}
static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
{
- uint32_t *p;
+ __be32 *p;
uint32_t len;
int status;
+ /* Zero handle first to allow comparisons */
+ memset(fh, 0, sizeof(*fh));
+
status = decode_op_hdr(xdr, OP_GETFH);
if (status)
return status;
- /* Zero handle first to allow comparisons */
- memset(fh, 0, sizeof(*fh));
- READ_BUF(4);
- READ32(len);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ len = be32_to_cpup(p);
if (len > NFS4_FHSIZE)
return -EIO;
fh->size = len;
- READ_BUF(len);
- COPYMEM(fh->data, len);
+ p = xdr_inline_decode(xdr, len);
+ if (unlikely(!p))
+ goto out_overflow;
+ memcpy(fh->data, p, len);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
{
int status;
-
+
status = decode_op_hdr(xdr, OP_LINK);
if (status)
return status;
static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl)
{
uint64_t offset, length, clientid;
- uint32_t *p;
+ __be32 *p;
uint32_t namelen, type;
- READ_BUF(32);
- READ64(offset);
- READ64(length);
- READ32(type);
+ p = xdr_inline_decode(xdr, 32);
+ if (unlikely(!p))
+ goto out_overflow;
+ p = xdr_decode_hyper(p, &offset);
+ p = xdr_decode_hyper(p, &length);
+ type = be32_to_cpup(p++);
if (fl != NULL) {
fl->fl_start = (loff_t)offset;
fl->fl_end = fl->fl_start + (loff_t)length - 1;
fl->fl_type = F_RDLCK;
fl->fl_pid = 0;
}
- READ64(clientid);
- READ32(namelen);
- READ_BUF(namelen);
- return -NFS4ERR_DENIED;
+ p = xdr_decode_hyper(p, &clientid);
+ namelen = be32_to_cpup(p);
+ p = xdr_inline_decode(xdr, namelen);
+ if (likely(p))
+ return -NFS4ERR_DENIED;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res)
{
- uint32_t *p;
int status;
status = decode_op_hdr(xdr, OP_LOCK);
+ if (status == -EIO)
+ goto out;
if (status == 0) {
- READ_BUF(sizeof(res->stateid.data));
- COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+ status = decode_stateid(xdr, &res->stateid);
+ if (unlikely(status))
+ goto out;
} else if (status == -NFS4ERR_DENIED)
- return decode_lock_denied(xdr, NULL);
+ status = decode_lock_denied(xdr, NULL);
+ if (res->open_seqid != NULL)
+ nfs_increment_open_seqid(status, res->open_seqid);
+ nfs_increment_lock_seqid(status, res->lock_seqid);
+out:
return status;
}
static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res)
{
- uint32_t *p;
int status;
status = decode_op_hdr(xdr, OP_LOCKU);
- if (status == 0) {
- READ_BUF(sizeof(res->stateid.data));
- COPYMEM(res->stateid.data, sizeof(res->stateid.data));
- }
+ if (status != -EIO)
+ nfs_increment_lock_seqid(status, res->seqid);
+ if (status == 0)
+ status = decode_stateid(xdr, &res->stateid);
return status;
}
/* This is too sick! */
static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize)
{
- uint32_t *p;
+ __be32 *p;
uint32_t limit_type, nblocks, blocksize;
- READ_BUF(12);
- READ32(limit_type);
+ p = xdr_inline_decode(xdr, 12);
+ if (unlikely(!p))
+ goto out_overflow;
+ limit_type = be32_to_cpup(p++);
switch (limit_type) {
- case 1:
- READ64(*maxsize);
- break;
- case 2:
- READ32(nblocks);
- READ32(blocksize);
- *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
+ case 1:
+ xdr_decode_hyper(p, maxsize);
+ break;
+ case 2:
+ nblocks = be32_to_cpup(p++);
+ blocksize = be32_to_cpup(p);
+ *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
}
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
{
- uint32_t *p;
- uint32_t delegation_type;
+ __be32 *p;
+ uint32_t delegation_type;
+ int status;
- READ_BUF(4);
- READ32(delegation_type);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ delegation_type = be32_to_cpup(p);
if (delegation_type == NFS4_OPEN_DELEGATE_NONE) {
res->delegation_type = 0;
return 0;
}
- READ_BUF(20);
- COPYMEM(res->delegation.data, sizeof(res->delegation.data));
- READ32(res->do_recall);
+ status = decode_stateid(xdr, &res->delegation);
+ if (unlikely(status))
+ return status;
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ res->do_recall = be32_to_cpup(p);
+
switch (delegation_type) {
- case NFS4_OPEN_DELEGATE_READ:
- res->delegation_type = FMODE_READ;
- break;
- case NFS4_OPEN_DELEGATE_WRITE:
- res->delegation_type = FMODE_WRITE|FMODE_READ;
- if (decode_space_limit(xdr, &res->maxsize) < 0)
+ case NFS4_OPEN_DELEGATE_READ:
+ res->delegation_type = FMODE_READ;
+ break;
+ case NFS4_OPEN_DELEGATE_WRITE:
+ res->delegation_type = FMODE_WRITE|FMODE_READ;
+ if (decode_space_limit(xdr, &res->maxsize) < 0)
return -EIO;
}
- return decode_ace(xdr, NULL, res->server->nfs4_state);
+ return decode_ace(xdr, NULL, res->server->nfs_client);
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
{
- uint32_t *p;
- uint32_t bmlen;
- int status;
+ __be32 *p;
+ uint32_t savewords, bmlen, i;
+ int status;
- status = decode_op_hdr(xdr, OP_OPEN);
- if (status)
- return status;
- READ_BUF(sizeof(res->stateid.data));
- COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+ status = decode_op_hdr(xdr, OP_OPEN);
+ if (status != -EIO)
+ nfs_increment_open_seqid(status, res->seqid);
+ if (!status)
+ status = decode_stateid(xdr, &res->stateid);
+ if (unlikely(status))
+ return status;
+
+ decode_change_info(xdr, &res->cinfo);
- decode_change_info(xdr, &res->cinfo);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ res->rflags = be32_to_cpup(p++);
+ bmlen = be32_to_cpup(p);
+ if (bmlen > 10)
+ goto xdr_error;
- READ_BUF(8);
- READ32(res->rflags);
- READ32(bmlen);
- if (bmlen > 10)
- goto xdr_error;
+ p = xdr_inline_decode(xdr, bmlen << 2);
+ if (unlikely(!p))
+ goto out_overflow;
+ savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE);
+ for (i = 0; i < savewords; ++i)
+ res->attrset[i] = be32_to_cpup(p++);
+ for (; i < NFS4_BITMAP_SIZE; i++)
+ res->attrset[i] = 0;
- READ_BUF(bmlen << 2);
- p += bmlen;
return decode_delegation(xdr, res);
xdr_error:
- dprintk("%s: Bitmap too large! Length = %u\n", __FUNCTION__, bmlen);
+ dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen);
+ return -EIO;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
return -EIO;
}
static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res)
{
- uint32_t *p;
int status;
- status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
- if (status)
- return status;
- READ_BUF(sizeof(res->stateid.data));
- COPYMEM(res->stateid.data, sizeof(res->stateid.data));
- return 0;
+ status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
+ if (status != -EIO)
+ nfs_increment_open_seqid(status, res->seqid);
+ if (!status)
+ status = decode_stateid(xdr, &res->stateid);
+ return status;
}
static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res)
{
- uint32_t *p;
int status;
status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE);
- if (status)
- return status;
- READ_BUF(sizeof(res->stateid.data));
- COPYMEM(res->stateid.data, sizeof(res->stateid.data));
- return 0;
+ if (status != -EIO)
+ nfs_increment_open_seqid(status, res->seqid);
+ if (!status)
+ status = decode_stateid(xdr, &res->stateid);
+ return status;
}
static int decode_putfh(struct xdr_stream *xdr)
static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res)
{
struct kvec *iov = req->rq_rcv_buf.head;
- uint32_t *p;
+ __be32 *p;
uint32_t count, eof, recvd, hdrlen;
int status;
status = decode_op_hdr(xdr, OP_READ);
if (status)
return status;
- READ_BUF(8);
- READ32(eof);
- READ32(count);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ eof = be32_to_cpup(p++);
+ count = be32_to_cpup(p);
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
recvd = req->rq_rcv_buf.len - hdrlen;
if (count > recvd) {
- printk(KERN_WARNING "NFS: server cheating in read reply: "
+ dprintk("NFS: server cheating in read reply: "
"count %u > recvd %u\n", count, recvd);
count = recvd;
eof = 0;
res->eof = eof;
res->count = count;
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir)
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct page *page = *rcvbuf->pages;
struct kvec *iov = rcvbuf->head;
- unsigned int nr, pglen = rcvbuf->page_len;
- uint32_t *end, *entry, *p, *kaddr;
- uint32_t len, attrlen;
- int hdrlen, recvd, status;
+ size_t hdrlen;
+ u32 recvd, pglen = rcvbuf->page_len;
+ __be32 *end, *entry, *p, *kaddr;
+ unsigned int nr = 0;
+ int status;
status = decode_op_hdr(xdr, OP_READDIR);
- if (status)
+ if (!status)
+ status = decode_verifier(xdr, readdir->verifier.data);
+ if (unlikely(status))
return status;
- READ_BUF(8);
- COPYMEM(readdir->verifier.data, 8);
- dprintk("%s: verifier = 0x%x%x\n",
- __FUNCTION__,
+ dprintk("%s: verifier = %08x:%08x\n",
+ __func__,
((u32 *)readdir->verifier.data)[0],
((u32 *)readdir->verifier.data)[1]);
- hdrlen = (char *) p - (char *) iov->iov_base;
+ hdrlen = (char *) xdr->p - (char *) iov->iov_base;
recvd = rcvbuf->len - hdrlen;
if (pglen > recvd)
pglen = recvd;
xdr_read_pages(xdr, pglen);
BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE);
- kaddr = p = (uint32_t *) kmap_atomic(page, KM_USER0);
- end = (uint32_t *) ((char *)p + pglen + readdir->pgbase);
+ kaddr = p = kmap_atomic(page, KM_USER0);
+ end = p + ((pglen + readdir->pgbase) >> 2);
entry = p;
- for (nr = 0; *p++; nr++) {
- if (p + 3 > end)
+
+ /* Make sure the packet actually has a value_follows and EOF entry */
+ if ((entry + 1) > end)
+ goto short_pkt;
+
+ for (; *p++; nr++) {
+ u32 len, attrlen, xlen;
+ if (end - p < 3)
goto short_pkt;
dprintk("cookie = %Lu, ", *((unsigned long long *)p));
p += 2; /* cookie */
len = ntohl(*p++); /* filename length */
if (len > NFS4_MAXNAMLEN) {
- printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len);
+ dprintk("NFS: giant filename in readdir (len 0x%x)\n",
+ len);
goto err_unmap;
}
- dprintk("filename = %*s\n", len, (char *)p);
- p += XDR_QUADLEN(len);
- if (p + 1 > end)
+ xlen = XDR_QUADLEN(len);
+ if (end - p < xlen + 1)
goto short_pkt;
+ dprintk("filename = %*s\n", len, (char *)p);
+ p += xlen;
len = ntohl(*p++); /* bitmap length */
- p += len;
- if (p + 1 > end)
+ if (end - p < len + 1)
goto short_pkt;
+ p += len;
attrlen = XDR_QUADLEN(ntohl(*p++));
- p += attrlen; /* attributes */
- if (p + 2 > end)
+ if (end - p < attrlen + 2)
goto short_pkt;
+ p += attrlen; /* attributes */
entry = p;
}
- if (!nr && (entry[0] != 0 || entry[1] == 0))
- goto short_pkt;
-out:
+ /*
+ * Apparently some server sends responses that are a valid size, but
+ * contain no entries, and have value_follows==0 and EOF==0. For
+ * those, just set the EOF marker.
+ */
+ if (!nr && entry[1] == 0) {
+ dprintk("NFS: readdir reply truncated!\n");
+ entry[1] = 1;
+ }
+out:
kunmap_atomic(kaddr, KM_USER0);
return 0;
short_pkt:
- dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr);
+ /*
+ * When we get a short packet there are 2 possibilities. We can
+ * return an error, or fix up the response to look like a valid
+ * response and return what we have so far. If there are no
+ * entries and the packet was short, then return -EIO. If there
+ * are valid entries in the response, return them and pretend that
+ * the call was successful, but incomplete. The caller can retry the
+ * readdir starting at the last cookie.
+ */
+ dprintk("%s: short packet at entry %d\n", __func__, nr);
entry[0] = entry[1] = 0;
- /* truncate listing ? */
- if (!nr) {
- printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
- entry[1] = 1;
- }
- goto out;
+ if (nr)
+ goto out;
err_unmap:
kunmap_atomic(kaddr, KM_USER0);
return -errno_NFSERR_IO;
{
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct kvec *iov = rcvbuf->head;
- int hdrlen, len, recvd;
- uint32_t *p;
+ size_t hdrlen;
+ u32 len, recvd;
+ __be32 *p;
char *kaddr;
int status;
return status;
/* Convert length of symlink */
- READ_BUF(4);
- READ32(len);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ len = be32_to_cpup(p);
if (len >= rcvbuf->page_len || len <= 0) {
- dprintk(KERN_WARNING "nfs: server returned giant symlink!\n");
+ dprintk("nfs: server returned giant symlink!\n");
return -ENAMETOOLONG;
}
hdrlen = (char *) xdr->p - (char *) iov->iov_base;
recvd = req->rq_rcv_buf.len - hdrlen;
if (recvd < len) {
- printk(KERN_WARNING "NFS: server cheating in readlink reply: "
+ dprintk("NFS: server cheating in readlink reply: "
"count %u > recvd %u\n", len, recvd);
return -EIO;
}
kaddr[len+rcvbuf->page_base] = '\0';
kunmap_atomic(kaddr, KM_USER0);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
size_t *acl_len)
{
- uint32_t *savep;
+ __be32 *savep;
uint32_t attrlen,
bitmap[2] = {0};
struct kvec *iov = req->rq_rcv_buf.head;
if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U)))
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_ACL)) {
- int hdrlen, recvd;
+ size_t hdrlen;
+ u32 recvd;
/* We ignore &savep and don't do consistency checks on
* the attr length. Let userspace figure it out.... */
hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base;
recvd = req->rq_rcv_buf.len - hdrlen;
if (attrlen > recvd) {
- printk(KERN_WARNING "NFS: server cheating in getattr"
+ dprintk("NFS: server cheating in getattr"
" acl reply: attrlen %u > recvd %u\n",
attrlen, recvd);
return -EINVAL;
return decode_op_hdr(xdr, OP_SAVEFH);
}
-static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res)
+static int decode_setattr(struct xdr_stream *xdr)
{
- uint32_t *p;
+ __be32 *p;
uint32_t bmlen;
int status;
-
status = decode_op_hdr(xdr, OP_SETATTR);
if (status)
return status;
- READ_BUF(4);
- READ32(bmlen);
- READ_BUF(bmlen << 2);
- return 0;
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ bmlen = be32_to_cpup(p);
+ p = xdr_inline_decode(xdr, bmlen << 2);
+ if (likely(p))
+ return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
-static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_client *clp)
+static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp)
{
- uint32_t *p;
+ __be32 *p;
uint32_t opnum;
int32_t nfserr;
- READ_BUF(8);
- READ32(opnum);
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ opnum = be32_to_cpup(p++);
if (opnum != OP_SETCLIENTID) {
- printk(KERN_NOTICE
- "nfs4_decode_setclientid: Server returned operation"
- " %d\n", opnum);
+ dprintk("nfs: decode_setclientid: Server returned operation"
+ " %d\n", opnum);
return -EIO;
}
- READ32(nfserr);
+ nfserr = be32_to_cpup(p);
if (nfserr == NFS_OK) {
- READ_BUF(8 + sizeof(clp->cl_confirm.data));
- READ64(clp->cl_clientid);
- COPYMEM(clp->cl_confirm.data, sizeof(clp->cl_confirm.data));
+ p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE);
+ if (unlikely(!p))
+ goto out_overflow;
+ p = xdr_decode_hyper(p, &clp->cl_clientid);
+ memcpy(clp->cl_confirm.data, p, NFS4_VERIFIER_SIZE);
} else if (nfserr == NFSERR_CLID_INUSE) {
uint32_t len;
/* skip netid string */
- READ_BUF(4);
- READ32(len);
- READ_BUF(len);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ len = be32_to_cpup(p);
+ p = xdr_inline_decode(xdr, len);
+ if (unlikely(!p))
+ goto out_overflow;
/* skip uaddr string */
- READ_BUF(4);
- READ32(len);
- READ_BUF(len);
+ p = xdr_inline_decode(xdr, 4);
+ if (unlikely(!p))
+ goto out_overflow;
+ len = be32_to_cpup(p);
+ p = xdr_inline_decode(xdr, len);
+ if (unlikely(!p))
+ goto out_overflow;
return -NFSERR_CLID_INUSE;
} else
- return -nfs_stat_to_errno(nfserr);
+ return nfs4_stat_to_errno(nfserr);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_setclientid_confirm(struct xdr_stream *xdr)
static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res)
{
- uint32_t *p;
+ __be32 *p;
int status;
status = decode_op_hdr(xdr, OP_WRITE);
if (status)
return status;
- READ_BUF(16);
- READ32(res->count);
- READ32(res->verf->committed);
- COPYMEM(res->verf->verifier, 8);
+ p = xdr_inline_decode(xdr, 16);
+ if (unlikely(!p))
+ goto out_overflow;
+ res->count = be32_to_cpup(p++);
+ res->verf->committed = be32_to_cpup(p++);
+ memcpy(res->verf->verifier, p, 8);
return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
}
static int decode_delegreturn(struct xdr_stream *xdr)
return decode_op_hdr(xdr, OP_DELEGRETURN);
}
+#if defined(CONFIG_NFS_V4_1)
+static int decode_exchange_id(struct xdr_stream *xdr,
+ struct nfs41_exchange_id_res *res)
+{
+ __be32 *p;
+ uint32_t dummy;
+ char *dummy_str;
+ int status;
+ struct nfs_client *clp = res->client;
+
+ status = decode_op_hdr(xdr, OP_EXCHANGE_ID);
+ if (status)
+ return status;
+
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ xdr_decode_hyper(p, &clp->cl_ex_clid);
+ p = xdr_inline_decode(xdr, 12);
+ if (unlikely(!p))
+ goto out_overflow;
+ clp->cl_seqid = be32_to_cpup(p++);
+ clp->cl_exchange_flags = be32_to_cpup(p++);
+
+ /* We ask for SP4_NONE */
+ dummy = be32_to_cpup(p);
+ if (dummy != SP4_NONE)
+ return -EIO;
+
+ /* Throw away minor_id */
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+
+ /* Throw away Major id */
+ status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+ if (unlikely(status))
+ return status;
+
+ /* Throw away server_scope */
+ status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+ if (unlikely(status))
+ return status;
+
+ /* Throw away Implementation id array */
+ status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+ if (unlikely(status))
+ return status;
+
+ return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
+}
+
+static int decode_chan_attrs(struct xdr_stream *xdr,
+ struct nfs4_channel_attrs *attrs)
+{
+ __be32 *p;
+ u32 nr_attrs;
+
+ p = xdr_inline_decode(xdr, 28);
+ if (unlikely(!p))
+ goto out_overflow;
+ attrs->headerpadsz = be32_to_cpup(p++);
+ attrs->max_rqst_sz = be32_to_cpup(p++);
+ attrs->max_resp_sz = be32_to_cpup(p++);
+ attrs->max_resp_sz_cached = be32_to_cpup(p++);
+ attrs->max_ops = be32_to_cpup(p++);
+ attrs->max_reqs = be32_to_cpup(p++);
+ nr_attrs = be32_to_cpup(p);
+ if (unlikely(nr_attrs > 1)) {
+ printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n",
+ __func__, nr_attrs);
+ return -EINVAL;
+ }
+ if (nr_attrs == 1) {
+ p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */
+ if (unlikely(!p))
+ goto out_overflow;
+ }
+ return 0;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
+}
+
+static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid)
+{
+ return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN);
+}
+
+static int decode_create_session(struct xdr_stream *xdr,
+ struct nfs41_create_session_res *res)
+{
+ __be32 *p;
+ int status;
+ struct nfs_client *clp = res->client;
+ struct nfs4_session *session = clp->cl_session;
+
+ status = decode_op_hdr(xdr, OP_CREATE_SESSION);
+ if (!status)
+ status = decode_sessionid(xdr, &session->sess_id);
+ if (unlikely(status))
+ return status;
+
+ /* seqid, flags */
+ p = xdr_inline_decode(xdr, 8);
+ if (unlikely(!p))
+ goto out_overflow;
+ clp->cl_seqid = be32_to_cpup(p++);
+ session->flags = be32_to_cpup(p);
+
+ /* Channel attributes */
+ status = decode_chan_attrs(xdr, &session->fc_attrs);
+ if (!status)
+ status = decode_chan_attrs(xdr, &session->bc_attrs);
+ return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
+}
+
+static int decode_destroy_session(struct xdr_stream *xdr, void *dummy)
+{
+ return decode_op_hdr(xdr, OP_DESTROY_SESSION);
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+static int decode_sequence(struct xdr_stream *xdr,
+ struct nfs4_sequence_res *res,
+ struct rpc_rqst *rqstp)
+{
+#if defined(CONFIG_NFS_V4_1)
+ struct nfs4_slot *slot;
+ struct nfs4_sessionid id;
+ u32 dummy;
+ int status;
+ __be32 *p;
+
+ if (!res->sr_session)
+ return 0;
+
+ status = decode_op_hdr(xdr, OP_SEQUENCE);
+ if (!status)
+ status = decode_sessionid(xdr, &id);
+ if (unlikely(status))
+ goto out_err;
+
+ /*
+ * If the server returns different values for sessionID, slotID or
+ * sequence number, the server is looney tunes.
+ */
+ status = -ESERVERFAULT;
+
+ if (memcmp(id.data, res->sr_session->sess_id.data,
+ NFS4_MAX_SESSIONID_LEN)) {
+ dprintk("%s Invalid session id\n", __func__);
+ goto out_err;
+ }
+
+ p = xdr_inline_decode(xdr, 20);
+ if (unlikely(!p))
+ goto out_overflow;
+
+ /* seqid */
+ slot = &res->sr_session->fc_slot_table.slots[res->sr_slotid];
+ dummy = be32_to_cpup(p++);
+ if (dummy != slot->seq_nr) {
+ dprintk("%s Invalid sequence number\n", __func__);
+ goto out_err;
+ }
+ /* slot id */
+ dummy = be32_to_cpup(p++);
+ if (dummy != res->sr_slotid) {
+ dprintk("%s Invalid slot id\n", __func__);
+ goto out_err;
+ }
+ /* highest slot id - currently not processed */
+ dummy = be32_to_cpup(p++);
+ /* target highest slot id - currently not processed */
+ dummy = be32_to_cpup(p++);
+ /* result flags - currently not processed */
+ dummy = be32_to_cpup(p);
+ status = 0;
+out_err:
+ res->sr_status = status;
+ return status;
+out_overflow:
+ print_overflow_msg(__func__, xdr);
+ status = -EIO;
+ goto out_err;
+#else /* CONFIG_NFS_V4_1 */
+ return 0;
+#endif /* CONFIG_NFS_V4_1 */
+}
+
+/*
+ * END OF "GENERIC" DECODE ROUTINES.
+ */
+
/*
* Decode OPEN_DOWNGRADE response
*/
-static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr;
- int status;
-
- xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- status = decode_compound_hdr(&xdr, &hdr);
- if (status)
- goto out;
- status = decode_putfh(&xdr);
- if (status)
- goto out;
- status = decode_open_downgrade(&xdr, res);
+static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_open_downgrade(&xdr, res);
if (status != 0)
goto out;
- decode_getfattr(&xdr, res->fattr, res->server);
+ decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
- return status;
+ return status;
}
/*
- * END OF "GENERIC" DECODE ROUTINES.
- */
-
-/*
* Decode ACCESS response
*/
-static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_accessres *res)
+static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
-
+
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status != 0)
goto out;
- if ((status = decode_putfh(&xdr)) == 0)
- status = decode_access(&xdr, res);
+ status = decode_access(&xdr, res);
+ if (status != 0)
+ goto out;
+ decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* Decode LOOKUP response
*/
-static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
+static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
-
+
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
goto out;
if ((status = decode_putfh(&xdr)) != 0)
goto out;
goto out;
if ((status = decode_getfh(&xdr, res->fh)) != 0)
goto out;
- status = decode_getfattr(&xdr, res->fattr, res->server);
+ status = decode_getfattr(&xdr, res->fattr, res->server
+ ,!RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* Decode LOOKUP_ROOT response
*/
-static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
+static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
-
+
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
goto out;
if ((status = decode_putrootfh(&xdr)) != 0)
goto out;
if ((status = decode_getfh(&xdr, res->fh)) == 0)
- status = decode_getfattr(&xdr, res->fattr, res->server);
+ status = decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* Decode REMOVE response
*/
-static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_remove_res *res)
+static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_removeres *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
-
+
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
goto out;
if ((status = decode_putfh(&xdr)) != 0)
goto out;
if ((status = decode_remove(&xdr, &res->cinfo)) != 0)
goto out;
- decode_getfattr(&xdr, res->dir_attr, res->server);
+ decode_getfattr(&xdr, &res->dir_attr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* Decode RENAME response
*/
-static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_rename_res *res)
+static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
-
+
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
goto out;
if ((status = decode_putfh(&xdr)) != 0)
goto out;
if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0)
goto out;
/* Current FH is target directory */
- if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0)
+ if (decode_getfattr(&xdr, res->new_fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
goto out;
if ((status = decode_restorefh(&xdr)) != 0)
goto out;
- decode_getfattr(&xdr, res->old_fattr, res->server);
+ decode_getfattr(&xdr, res->old_fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* Decode LINK response
*/
-static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_link_res *res)
+static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
-
+
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
goto out;
if ((status = decode_putfh(&xdr)) != 0)
goto out;
* Note order: OP_LINK leaves the directory as the current
* filehandle.
*/
- if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0)
+ if (decode_getfattr(&xdr, res->dir_attr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
goto out;
if ((status = decode_restorefh(&xdr)) != 0)
goto out;
- decode_getfattr(&xdr, res->fattr, res->server);
+ decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* Decode CREATE response
*/
-static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
+static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
-
+
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
goto out;
if ((status = decode_putfh(&xdr)) != 0)
goto out;
goto out;
if ((status = decode_getfh(&xdr, res->fh)) != 0)
goto out;
- if (decode_getfattr(&xdr, res->fattr, res->server) != 0)
+ if (decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
goto out;
if ((status = decode_restorefh(&xdr)) != 0)
goto out;
- decode_getfattr(&xdr, res->dir_fattr, res->server);
+ decode_getfattr(&xdr, res->dir_fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* Decode SYMLINK response
*/
-static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
+static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res)
{
return nfs4_xdr_dec_create(rqstp, p, res);
}
/*
* Decode GETATTR response
*/
-static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_getattr_res *res)
+static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
-
+
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
- status = decode_getfattr(&xdr, res->fattr, res->server);
+ status = decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
-
}
/*
* Encode an SETACL request
*/
static int
-nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args)
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr = {
- .nops = 2,
- };
- int status;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_compound_hdr(&xdr, &hdr);
- status = encode_putfh(&xdr, args->fh);
- if (status)
- goto out;
- status = encode_setacl(&xdr, args);
-out:
- return status;
+nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .minorversion = nfs4_xdr_minorversion(&args->seq_args),
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, req, &hdr);
+ encode_sequence(&xdr, &args->seq_args, &hdr);
+ encode_putfh(&xdr, args->fh, &hdr);
+ status = encode_setacl(&xdr, args, &hdr);
+ encode_nops(&hdr);
+ return status;
}
+
/*
* Decode SETACL response
*/
static int
-nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res)
+nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p,
+ struct nfs_setaclres *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
- status = decode_setattr(&xdr, res);
+ status = decode_setattr(&xdr);
out:
return status;
}
* Decode GETACL response
*/
static int
-nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, uint32_t *p, size_t *acl_len)
+nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p,
+ struct nfs_getaclres *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
- status = decode_getacl(&xdr, rqstp, acl_len);
+ status = decode_getacl(&xdr, rqstp, &res->acl_len);
out:
return status;
/*
* Decode CLOSE response
*/
-static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr;
- int status;
-
- xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- status = decode_compound_hdr(&xdr, &hdr);
- if (status)
- goto out;
- status = decode_putfh(&xdr);
- if (status)
- goto out;
- status = decode_close(&xdr, res);
+static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_close(&xdr, res);
if (status != 0)
goto out;
/*
* an ESTALE error. Shouldn't be a problem,
* though, since fattr->valid will remain unset.
*/
- decode_getfattr(&xdr, res->fattr, res->server);
+ decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
- return status;
+ return status;
}
/*
* Decode OPEN response
*/
-static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr;
- int status;
-
- xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- status = decode_compound_hdr(&xdr, &hdr);
- if (status)
- goto out;
- status = decode_putfh(&xdr);
- if (status)
- goto out;
- status = decode_savefh(&xdr);
+static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
- status = decode_open(&xdr, res);
- if (status)
- goto out;
- status = decode_getfh(&xdr, &res->fh);
- if (status)
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
goto out;
- if (decode_getfattr(&xdr, res->f_attr, res->server) != 0)
+ status = decode_putfh(&xdr);
+ if (status)
goto out;
- if ((status = decode_restorefh(&xdr)) != 0)
+ status = decode_savefh(&xdr);
+ if (status)
+ goto out;
+ status = decode_open(&xdr, res);
+ if (status)
goto out;
- decode_getfattr(&xdr, res->dir_attr, res->server);
+ if (decode_getfh(&xdr, &res->fh) != 0)
+ goto out;
+ if (decode_getfattr(&xdr, res->f_attr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
+ goto out;
+ if (decode_restorefh(&xdr) != 0)
+ goto out;
+ decode_getfattr(&xdr, res->dir_attr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
- return status;
+ return status;
}
/*
* Decode OPEN_CONFIRM response
*/
-static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_open_confirmres *res)
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr;
- int status;
-
- xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- status = decode_compound_hdr(&xdr, &hdr);
- if (status)
- goto out;
- status = decode_putfh(&xdr);
- if (status)
- goto out;
- status = decode_open_confirm(&xdr, res);
+static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_open_confirm(&xdr, res);
out:
- return status;
+ return status;
}
/*
* Decode OPEN response
*/
-static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr;
- int status;
-
- xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- status = decode_compound_hdr(&xdr, &hdr);
- if (status)
- goto out;
- status = decode_putfh(&xdr);
- if (status)
- goto out;
- status = decode_open(&xdr, res);
- if (status)
- goto out;
- decode_getfattr(&xdr, res->f_attr, res->server);
+static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_open(&xdr, res);
+ if (status)
+ goto out;
+ decode_getfattr(&xdr, res->f_attr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
- return status;
+ return status;
}
/*
* Decode SETATTR response
*/
-static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_setattrres *res)
-{
- struct xdr_stream xdr;
- struct compound_hdr hdr;
- int status;
-
- xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
- status = decode_compound_hdr(&xdr, &hdr);
- if (status)
- goto out;
- status = decode_putfh(&xdr);
- if (status)
- goto out;
- status = decode_setattr(&xdr, res);
- if (status)
- goto out;
- status = decode_getfattr(&xdr, res->fattr, res->server);
- if (status == NFS4ERR_DELAY)
- status = 0;
+static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_setattr(&xdr);
+ if (status)
+ goto out;
+ decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
- return status;
+ return status;
}
/*
* Decode LOCK response
*/
-static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lock_res *res)
+static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
/*
* Decode LOCKT response
*/
-static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockt_res *res)
+static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
/*
* Decode LOCKU response
*/
-static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_locku_res *res)
+static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
/*
* Decode READLINK response
*/
-static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *res)
+static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p,
+ struct nfs4_readlink_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
/*
* Decode READDIR response
*/
-static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_readdir_res *res)
+static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
/*
* Decode Read response
*/
-static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_readres *res)
+static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
/*
* Decode WRITE response
*/
-static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
+static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
status = decode_write(&xdr, res);
if (status)
goto out;
- decode_getfattr(&xdr, res->fattr, res->server);
+ decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
if (!status)
status = res->count;
out:
/*
* Decode COMMIT response
*/
-static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
+static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (status)
goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
+ goto out;
status = decode_putfh(&xdr);
if (status)
goto out;
status = decode_commit(&xdr, res);
if (status)
goto out;
- decode_getfattr(&xdr, res->fattr, res->server);
+ decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* FSINFO request
*/
-static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
+static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p,
+ struct nfs4_fsinfo_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
status = decode_compound_hdr(&xdr, &hdr);
if (!status)
- status = decode_putfh(&xdr);
+ status = decode_sequence(&xdr, &res->seq_res, req);
if (!status)
- status = decode_fsinfo(&xdr, fsinfo);
+ status = decode_putfh(&xdr);
if (!status)
- status = -nfs_stat_to_errno(hdr.status);
+ status = decode_fsinfo(&xdr, res->fsinfo);
return status;
}
/*
* PATHCONF request
*/
-static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_pathconf *pathconf)
+static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p,
+ struct nfs4_pathconf_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
status = decode_compound_hdr(&xdr, &hdr);
if (!status)
+ status = decode_sequence(&xdr, &res->seq_res, req);
+ if (!status)
status = decode_putfh(&xdr);
if (!status)
- status = decode_pathconf(&xdr, pathconf);
+ status = decode_pathconf(&xdr, res->pathconf);
return status;
}
/*
* STATFS request
*/
-static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fsstat *fsstat)
+static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p,
+ struct nfs4_statfs_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
status = decode_compound_hdr(&xdr, &hdr);
if (!status)
+ status = decode_sequence(&xdr, &res->seq_res, req);
+ if (!status)
status = decode_putfh(&xdr);
if (!status)
- status = decode_statfs(&xdr, fsstat);
+ status = decode_statfs(&xdr, res->fsstat);
return status;
}
/*
* GETATTR_BITMAP request
*/
-static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, uint32_t *p, struct nfs4_server_caps_res *res)
+static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
int status;
xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, req);
+ if (status)
goto out;
if ((status = decode_putfh(&xdr)) != 0)
goto out;
/*
* Decode RENEW response
*/
-static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
+static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
/*
* a SETCLIENTID request
*/
-static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p,
- struct nfs4_client *clp)
+static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p,
+ struct nfs_client *clp)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_compound_hdr(&xdr, &hdr);
if (!status)
status = decode_setclientid(&xdr, clp);
- if (!status)
- status = -nfs_stat_to_errno(hdr.status);
return status;
}
/*
* a SETCLIENTID_CONFIRM request
*/
-static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
+static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
status = decode_putrootfh(&xdr);
if (!status)
status = decode_fsinfo(&xdr, fsinfo);
- if (!status)
- status = -nfs_stat_to_errno(hdr.status);
return status;
}
/*
* DELEGRETURN request
*/
-static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_delegreturnres *res)
+static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
status = decode_compound_hdr(&xdr, &hdr);
- if (status != 0)
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, rqstp);
+ if (status)
goto out;
status = decode_putfh(&xdr);
if (status != 0)
goto out;
status = decode_delegreturn(&xdr);
- decode_getfattr(&xdr, res->fattr, res->server);
+ decode_getfattr(&xdr, res->fattr, res->server,
+ !RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
}
/*
* FS_LOCATIONS request
*/
-static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, uint32_t *p, struct nfs4_fs_locations *res)
+static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p,
+ struct nfs4_fs_locations_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
status = decode_compound_hdr(&xdr, &hdr);
- if (status != 0)
+ if (status)
+ goto out;
+ status = decode_sequence(&xdr, &res->seq_res, req);
+ if (status)
goto out;
if ((status = decode_putfh(&xdr)) != 0)
goto out;
if ((status = decode_lookup(&xdr)) != 0)
goto out;
xdr_enter_page(&xdr, PAGE_SIZE);
- status = decode_getfattr(&xdr, &res->fattr, res->server);
+ status = decode_getfattr(&xdr, &res->fs_locations->fattr,
+ res->fs_locations->server,
+ !RPC_IS_ASYNC(req->rq_task));
out:
return status;
}
-uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus)
+#if defined(CONFIG_NFS_V4_1)
+/*
+ * EXCHANGE_ID request
+ */
+static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, uint32_t *p,
+ void *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_exchange_id(&xdr, res);
+ return status;
+}
+
+/*
+ * a CREATE_SESSION request
+ */
+static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, uint32_t *p,
+ struct nfs41_create_session_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_create_session(&xdr, res);
+ return status;
+}
+
+/*
+ * a DESTROY_SESSION request
+ */
+static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, uint32_t *p,
+ void *dummy)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_destroy_session(&xdr, dummy);
+ return status;
+}
+
+/*
+ * a SEQUENCE request
+ */
+static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, uint32_t *p,
+ struct nfs4_sequence_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_sequence(&xdr, res, rqstp);
+ return status;
+}
+
+/*
+ * a GET_LEASE_TIME request
+ */
+static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, uint32_t *p,
+ struct nfs4_get_lease_time_res *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (!status)
+ status = decode_sequence(&xdr, &res->lr_seq_res, rqstp);
+ if (!status)
+ status = decode_putrootfh(&xdr);
+ if (!status)
+ status = decode_fsinfo(&xdr, res->lr_fsinfo);
+ return status;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+__be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus)
{
uint32_t bitmap[2] = {0};
uint32_t len;
int errno;
} nfs_errtbl[] = {
{ NFS4_OK, 0 },
- { NFS4ERR_PERM, EPERM },
- { NFS4ERR_NOENT, ENOENT },
- { NFS4ERR_IO, errno_NFSERR_IO },
- { NFS4ERR_NXIO, ENXIO },
- { NFS4ERR_ACCESS, EACCES },
- { NFS4ERR_EXIST, EEXIST },
- { NFS4ERR_XDEV, EXDEV },
- { NFS4ERR_NOTDIR, ENOTDIR },
- { NFS4ERR_ISDIR, EISDIR },
- { NFS4ERR_INVAL, EINVAL },
- { NFS4ERR_FBIG, EFBIG },
- { NFS4ERR_NOSPC, ENOSPC },
- { NFS4ERR_ROFS, EROFS },
- { NFS4ERR_MLINK, EMLINK },
- { NFS4ERR_NAMETOOLONG, ENAMETOOLONG },
- { NFS4ERR_NOTEMPTY, ENOTEMPTY },
- { NFS4ERR_DQUOT, EDQUOT },
- { NFS4ERR_STALE, ESTALE },
- { NFS4ERR_BADHANDLE, EBADHANDLE },
- { NFS4ERR_BADOWNER, EINVAL },
- { NFS4ERR_BADNAME, EINVAL },
- { NFS4ERR_BAD_COOKIE, EBADCOOKIE },
- { NFS4ERR_NOTSUPP, ENOTSUPP },
- { NFS4ERR_TOOSMALL, ETOOSMALL },
- { NFS4ERR_SERVERFAULT, ESERVERFAULT },
- { NFS4ERR_BADTYPE, EBADTYPE },
- { NFS4ERR_LOCKED, EAGAIN },
- { NFS4ERR_RESOURCE, EREMOTEIO },
- { NFS4ERR_SYMLINK, ELOOP },
- { NFS4ERR_OP_ILLEGAL, EOPNOTSUPP },
- { NFS4ERR_DEADLOCK, EDEADLK },
- { NFS4ERR_WRONGSEC, EPERM }, /* FIXME: this needs
+ { NFS4ERR_PERM, -EPERM },
+ { NFS4ERR_NOENT, -ENOENT },
+ { NFS4ERR_IO, -errno_NFSERR_IO},
+ { NFS4ERR_NXIO, -ENXIO },
+ { NFS4ERR_ACCESS, -EACCES },
+ { NFS4ERR_EXIST, -EEXIST },
+ { NFS4ERR_XDEV, -EXDEV },
+ { NFS4ERR_NOTDIR, -ENOTDIR },
+ { NFS4ERR_ISDIR, -EISDIR },
+ { NFS4ERR_INVAL, -EINVAL },
+ { NFS4ERR_FBIG, -EFBIG },
+ { NFS4ERR_NOSPC, -ENOSPC },
+ { NFS4ERR_ROFS, -EROFS },
+ { NFS4ERR_MLINK, -EMLINK },
+ { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG },
+ { NFS4ERR_NOTEMPTY, -ENOTEMPTY },
+ { NFS4ERR_DQUOT, -EDQUOT },
+ { NFS4ERR_STALE, -ESTALE },
+ { NFS4ERR_BADHANDLE, -EBADHANDLE },
+ { NFS4ERR_BADOWNER, -EINVAL },
+ { NFS4ERR_BADNAME, -EINVAL },
+ { NFS4ERR_BAD_COOKIE, -EBADCOOKIE },
+ { NFS4ERR_NOTSUPP, -ENOTSUPP },
+ { NFS4ERR_TOOSMALL, -ETOOSMALL },
+ { NFS4ERR_SERVERFAULT, -ESERVERFAULT },
+ { NFS4ERR_BADTYPE, -EBADTYPE },
+ { NFS4ERR_LOCKED, -EAGAIN },
+ { NFS4ERR_SYMLINK, -ELOOP },
+ { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP },
+ { NFS4ERR_DEADLOCK, -EDEADLK },
+ { NFS4ERR_WRONGSEC, -EPERM }, /* FIXME: this needs
* to be handled by a
* middle-layer.
*/
- { -1, EIO }
+ { -1, -EIO }
};
/*
* This one is used jointly by NFSv2 and NFSv3.
*/
static int
-nfs_stat_to_errno(int stat)
+nfs4_stat_to_errno(int stat)
{
int i;
for (i = 0; nfs_errtbl[i].stat != -1; i++) {
}
if (stat <= 10000 || stat > 10100) {
/* The server is looney tunes. */
- return ESERVERFAULT;
+ return -ESERVERFAULT;
}
/* If we cannot translate the error, the recovery routines should
* handle it.
* Note: remaining NFSv4 error codes have values > 10000, so should
* not conflict with native Linux error codes.
*/
- return stat;
+ return -stat;
}
-#ifndef MAX
-# define MAX(a, b) (((a) > (b))? (a) : (b))
-#endif
-
#define PROC(proc, argtype, restype) \
[NFSPROC4_CLNT_##proc] = { \
.p_proc = NFSPROC4_COMPOUND, \
.p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \
.p_decode = (kxdrproc_t) nfs4_xdr_##restype, \
- .p_bufsiz = MAX(NFS4_##argtype##_sz,NFS4_##restype##_sz) << 2, \
+ .p_arglen = NFS4_##argtype##_sz, \
+ .p_replen = NFS4_##restype##_sz, \
.p_statidx = NFSPROC4_CLNT_##proc, \
.p_name = #proc, \
- }
+}
struct rpc_procinfo nfs4_procedures[] = {
PROC(READ, enc_read, dec_read),
PROC(GETACL, enc_getacl, dec_getacl),
PROC(SETACL, enc_setacl, dec_setacl),
PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations),
+#if defined(CONFIG_NFS_V4_1)
+ PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id),
+ PROC(CREATE_SESSION, enc_create_session, dec_create_session),
+ PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session),
+ PROC(SEQUENCE, enc_sequence, dec_sequence),
+ PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time),
+#endif /* CONFIG_NFS_V4_1 */
};
struct rpc_version nfs_version4 = {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff