X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fnfs%2Finternal.h;h=b1a020c11724ca8234737f681710c1f9d876e095;hb=bcb56164ceb21317208eee89c829580d51b84a6d;hp=04ae867dddba43a8267cb09771f07f057fa7ab59;hpb=ecfc555a8327ff09b07066d73a98c04115007eec;p=safe%2Fjmp%2Flinux-2.6 diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 04ae867..b1a020c 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -2,9 +2,12 @@ * NFS internal definitions */ +#include "nfs4_fs.h" #include #include +#define NFS_MS_MASK (MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS) + struct nfs_string; /* Maximum number of readahead requests @@ -15,6 +18,27 @@ struct nfs_string; */ #define NFS_MAX_READAHEAD (RPC_DEF_SLOT_TABLE - 1) +/* + * Determine if sessions are in use. + */ +static inline int nfs4_has_session(const struct nfs_client *clp) +{ +#ifdef CONFIG_NFS_V4_1 + if (clp->cl_session) + return 1; +#endif /* CONFIG_NFS_V4_1 */ + return 0; +} + +static inline int nfs4_has_persistent_session(const struct nfs_client *clp) +{ +#ifdef CONFIG_NFS_V4_1 + if (nfs4_has_session(clp)) + return (clp->cl_session->flags & SESSION4_PERSIST); +#endif /* CONFIG_NFS_V4_1 */ + return 0; +} + struct nfs_clone_mount { const struct super_block *sb; const struct dentry *dentry; @@ -28,6 +52,17 @@ struct nfs_clone_mount { }; /* + * Note: RFC 1813 doesn't limit the number of auth flavors that + * a server can return, so make something up. + */ +#define NFS_MAX_SECFLAVORS (12) + +/* + * Value used if the user did not specify a port value. + */ +#define NFS_UNSPEC_PORT (-1) + +/* * In-kernel mount arguments */ struct nfs_parsed_mount_data { @@ -37,17 +72,21 @@ struct nfs_parsed_mount_data { int acregmin, acregmax, acdirmin, acdirmax; int namlen; + unsigned int options; unsigned int bsize; unsigned int auth_flavor_len; rpc_authflavor_t auth_flavors[1]; char *client_address; + unsigned int version; + unsigned int minorversion; + char *fscache_uniq; struct { struct sockaddr_storage address; size_t addrlen; char *hostname; u32 version; - unsigned short port; + int port; unsigned short protocol; } mount_server; @@ -56,13 +95,30 @@ struct nfs_parsed_mount_data { size_t addrlen; char *hostname; char *export_path; - unsigned short port; + int port; unsigned short protocol; } nfs_server; struct security_mnt_opts lsm_opts; }; +/* mount_clnt.c */ +struct nfs_mount_request { + struct sockaddr *sap; + size_t salen; + char *hostname; + char *dirpath; + u32 version; + unsigned short protocol; + struct nfs_fh *fh; + int noresvport; + unsigned int *auth_flav_len; + rpc_authflavor_t *auth_flavs; +}; + +extern int nfs_mount(struct nfs_mount_request *info); +extern void nfs_umount(const struct nfs_mount_request *info); + /* client.c */ extern struct rpc_program nfs_program; @@ -81,6 +137,8 @@ extern void nfs_free_server(struct nfs_server *server); extern struct nfs_server *nfs_clone_server(struct nfs_server *, struct nfs_fh *, struct nfs_fattr *); +extern void nfs_mark_client_ready(struct nfs_client *clp, int state); +extern int nfs4_check_client_ready(struct nfs_client *clp); #ifdef CONFIG_PROC_FS extern int __init nfs_fs_proc_init(void); extern void nfs_fs_proc_exit(void); @@ -107,6 +165,7 @@ struct vfsmount *nfs_do_refmount(const struct vfsmount *mnt_parent, struct dentr /* callback_xdr.c */ extern struct svc_version nfs4_callback_version1; +extern struct svc_version nfs4_callback_version4; /* pagelist.c */ extern int __init nfs_init_nfspagecache(void); @@ -132,12 +191,20 @@ extern __be32 *nfs3_decode_dirent(__be32 *, struct nfs_entry *, int); #ifdef CONFIG_NFS_V4 extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus); #endif +#ifdef CONFIG_NFS_V4_1 +extern const u32 nfs41_maxread_overhead; +extern const u32 nfs41_maxwrite_overhead; +#endif /* nfs4proc.c */ +extern void nfs4_restart_rpc(struct rpc_task *, const struct nfs_client *); #ifdef CONFIG_NFS_V4 extern struct rpc_procinfo nfs4_procedures[]; #endif +/* proc.c */ +void nfs_close_context(struct nfs_open_context *ctx, int is_sync); + /* dir.c */ extern int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask); @@ -150,6 +217,8 @@ extern void nfs_clear_inode(struct inode *); #ifdef CONFIG_NFS_V4 extern void nfs4_clear_inode(struct inode *); #endif +void nfs_zap_acl_cache(struct inode *inode); +extern int nfs_wait_bit_killable(void *word); /* super.c */ extern struct file_system_type nfs_xdev_fs_type; @@ -162,8 +231,8 @@ extern struct rpc_stat nfs_rpcstat; extern int __init register_nfs_fs(void); extern void __exit unregister_nfs_fs(void); -extern void nfs_sb_active(struct nfs_server *server); -extern void nfs_sb_deactive(struct nfs_server *server); +extern void nfs_sb_active(struct super_block *sb); +extern void nfs_sb_deactive(struct super_block *sb); /* namespace.c */ extern char *nfs_path(const char *base, @@ -181,6 +250,30 @@ extern int nfs4_path_walk(struct nfs_server *server, const char *path); #endif +/* read.c */ +extern void nfs_read_prepare(struct rpc_task *task, void *calldata); + +/* write.c */ +extern void nfs_write_prepare(struct rpc_task *task, void *calldata); +#ifdef CONFIG_MIGRATION +extern int nfs_migrate_page(struct address_space *, + struct page *, struct page *); +#else +#define nfs_migrate_page NULL +#endif + +/* nfs4proc.c */ +extern int _nfs4_call_sync(struct nfs_server *server, + struct rpc_message *msg, + struct nfs4_sequence_args *args, + struct nfs4_sequence_res *res, + int cache_reply); +extern int _nfs4_call_sync_session(struct nfs_server *server, + struct rpc_message *msg, + struct nfs4_sequence_args *args, + struct nfs4_sequence_res *res, + int cache_reply); + /* * Determine the device name as a string */ @@ -274,4 +367,3 @@ unsigned int nfs_page_array_len(unsigned int base, size_t len) return ((unsigned long)len + (unsigned long)base + PAGE_SIZE - 1) >> PAGE_SHIFT; } -