#ifndef _LINUX_NFS_XDR_H
#define _LINUX_NFS_XDR_H
-#include <linux/sunrpc/xprt.h>
#include <linux/nfsacl.h>
-struct nfs4_fsid {
- __u64 major;
- __u64 minor;
+/*
+ * To change the maximum rsize and wsize supported by the NFS client, adjust
+ * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
+ * support a megabyte or more. The default is left at 4096 bytes, which is
+ * reasonable for NFS over UDP.
+ */
+#define NFS_MAX_FILE_IO_SIZE (1048576U)
+#define NFS_DEF_FILE_IO_SIZE (4096U)
+#define NFS_MIN_FILE_IO_SIZE (1024U)
+
+struct nfs_fsid {
+ uint64_t major;
+ uint64_t minor;
};
+/*
+ * Helper for checking equality between 2 fsids.
+ */
+static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
+{
+ return a->major == b->major && a->minor == b->minor;
+}
+
struct nfs_fattr {
unsigned short valid; /* which fields are valid */
__u64 pre_size; /* pre_op_attr.size */
} nfs3;
} du;
dev_t rdev;
- union {
- __u64 nfs3; /* also nfs2 */
- struct nfs4_fsid nfs4;
- } fsid_u;
+ struct nfs_fsid fsid;
__u64 fileid;
struct timespec atime;
struct timespec mtime;
#define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */
#define NFS_ATTR_FATTR 0x0002 /* post-op attributes */
#define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */
-#define NFS_ATTR_FATTR_V4 0x0008
-#define NFS_ATTR_PRE_CHANGE 0x0010
+#define NFS_ATTR_FATTR_V4 0x0008 /* NFSv4 change attribute */
+#define NFS_ATTR_FATTR_V4_REFERRAL 0x0010 /* NFSv4 referral */
/*
* Info on the file system
struct nfs_seqid * seqid;
int open_flags;
__u64 clientid;
- __u32 id;
+ __u64 id;
union {
struct iattr * attrs; /* UNCHECKED, GUARDED */
nfs4_verifier verifier; /* EXCLUSIVE */
nfs4_stateid delegation;
__u32 do_recall;
__u64 maxsize;
+ __u32 attrset[NFS4_BITMAP_SIZE];
};
/*
*/
struct nfs_open_confirmargs {
const struct nfs_fh * fh;
- nfs4_stateid stateid;
+ nfs4_stateid * stateid;
struct nfs_seqid * seqid;
};
* * Arguments to the lock,lockt, and locku call.
* */
struct nfs_lowner {
- __u64 clientid;
- u32 id;
+ __u64 clientid;
+ __u64 id;
};
-struct nfs_lock_opargs {
+struct nfs_lock_args {
+ struct nfs_fh * fh;
+ struct file_lock * fl;
struct nfs_seqid * lock_seqid;
nfs4_stateid * lock_stateid;
struct nfs_seqid * open_seqid;
nfs4_stateid * open_stateid;
- struct nfs_lowner lock_owner;
- __u32 reclaim;
- __u32 new_lock_owner;
+ struct nfs_lowner lock_owner;
+ unsigned char block : 1;
+ unsigned char reclaim : 1;
+ unsigned char new_lock_owner : 1;
+};
+
+struct nfs_lock_res {
+ nfs4_stateid stateid;
};
-struct nfs_locku_opargs {
+struct nfs_locku_args {
+ struct nfs_fh * fh;
+ struct file_lock * fl;
struct nfs_seqid * seqid;
nfs4_stateid * stateid;
};
-struct nfs_lockargs {
- struct nfs_fh * fh;
- __u32 type;
- __u64 offset;
- __u64 length;
- union {
- struct nfs_lock_opargs *lock; /* LOCK */
- struct nfs_lowner *lockt; /* LOCKT */
- struct nfs_locku_opargs *locku; /* LOCKU */
- } u;
+struct nfs_locku_res {
+ nfs4_stateid stateid;
};
-struct nfs_lock_denied {
- __u64 offset;
- __u64 length;
- __u32 type;
- struct nfs_lowner owner;
+struct nfs_lockt_args {
+ struct nfs_fh * fh;
+ struct file_lock * fl;
+ struct nfs_lowner lock_owner;
};
-struct nfs_lockres {
- union {
- nfs4_stateid stateid;/* LOCK success, LOCKU */
- struct nfs_lock_denied denied; /* LOCK failed, LOCKT success */
- } u;
- const struct nfs_server * server;
+struct nfs_lockt_res {
+ struct file_lock * denied; /* LOCK, LOCKT failed */
};
struct nfs4_delegreturnargs {
const struct nfs_fh *fhandle;
const nfs4_stateid *stateid;
+ const u32 * bitmask;
+};
+
+struct nfs4_delegreturnres {
+ struct nfs_fattr * fattr;
+ const struct nfs_server *server;
};
/*
* Arguments to the read call.
*/
-
-#define NFS_READ_MAXIOV (9U)
-#if (NFS_READ_MAXIOV > (MAX_IOVEC -2))
-#error "NFS_READ_MAXIOV is too large"
-#endif
-
struct nfs_readargs {
struct nfs_fh * fh;
struct nfs_open_context *context;
/*
* Arguments to the write call.
*/
-#define NFS_WRITE_MAXIOV (9U)
-#if (NFS_WRITE_MAXIOV > (MAX_IOVEC -2))
-#error "NFS_WRITE_MAXIOV is too large"
-#endif
-
struct nfs_writeargs {
struct nfs_fh * fh;
struct nfs_open_context *context;
enum nfs3_stable_how stable;
unsigned int pgbase;
struct page ** pages;
+ const u32 * bitmask;
};
struct nfs_writeverf {
enum nfs3_stable_how committed;
- __u32 verifier[2];
+ __be32 verifier[2];
};
struct nfs_writeres {
struct nfs_fattr * fattr;
struct nfs_writeverf * verf;
__u32 count;
+ const struct nfs_server *server;
+};
+
+/*
+ * Common arguments to the unlink call
+ */
+struct nfs_removeargs {
+ const struct nfs_fh *fh;
+ struct qstr name;
+ const u32 * bitmask;
+};
+
+struct nfs_removeres {
+ const struct nfs_server *server;
+ struct nfs4_change_info cinfo;
+ struct nfs_fattr dir_attr;
};
/*
struct nfs_fh * fromfh;
const char * fromname;
unsigned int fromlen;
- const char * topath;
- unsigned int tolen;
+ struct page ** pages;
+ unsigned int pathlen;
struct iattr * sattr;
};
unsigned int len;
struct iattr * sattr;
enum nfs3_createmode createmode;
- __u32 verifier[2];
+ __be32 verifier[2];
};
struct nfs3_mkdirargs {
struct nfs_fh * fromfh;
const char * fromname;
unsigned int fromlen;
- const char * topath;
- unsigned int tolen;
+ struct page ** pages;
+ unsigned int pathlen;
struct iattr * sattr;
};
struct nfs3_readdirargs {
struct nfs_fh * fh;
__u64 cookie;
- __u32 verf[2];
+ __be32 verf[2];
int plus;
unsigned int count;
struct page ** pages;
struct nfs3_readdirres {
struct nfs_fattr * dir_attr;
- __u32 * verf;
+ __be32 * verf;
int plus;
};
struct nfs4_create_arg {
u32 ftype;
union {
- struct qstr * symlink; /* NF4LNK */
+ struct {
+ struct page ** pages;
+ unsigned int len;
+ } symlink; /* NF4LNK */
struct {
u32 specdata1;
u32 specdata2;
struct page ** pages; /* zero-copy data */
};
-struct nfs4_remove_arg {
- const struct nfs_fh * fh;
- const struct qstr * name;
-};
-
struct nfs4_rename_arg {
const struct nfs_fh * old_dir;
const struct nfs_fh * new_dir;
const struct qstr * old_name;
const struct qstr * new_name;
+ const u32 * bitmask;
};
struct nfs4_rename_res {
+ const struct nfs_server * server;
struct nfs4_change_info old_cinfo;
+ struct nfs_fattr * old_fattr;
struct nfs4_change_info new_cinfo;
+ struct nfs_fattr * new_fattr;
};
struct nfs4_setclientid {
const nfs4_verifier * sc_verifier; /* request */
unsigned int sc_name_len;
- char sc_name[32]; /* request */
+ char sc_name[48]; /* request */
u32 sc_prog; /* request */
unsigned int sc_netid_len;
char sc_netid[4]; /* request */
u32 has_symlinks;
};
+struct nfs4_string {
+ unsigned int len;
+ char *data;
+};
+
+#define NFS4_PATHNAME_MAXCOMPONENTS 512
+struct nfs4_pathname {
+ unsigned int ncomponents;
+ struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
+};
+
+#define NFS4_FS_LOCATION_MAXSERVERS 10
+struct nfs4_fs_location {
+ unsigned int nservers;
+ struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
+ struct nfs4_pathname rootpath;
+};
+
+#define NFS4_FS_LOCATIONS_MAXENTRIES 10
+struct nfs4_fs_locations {
+ struct nfs_fattr fattr;
+ const struct nfs_server *server;
+ struct nfs4_pathname fs_path;
+ int nlocations;
+ struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
+};
+
+struct nfs4_fs_locations_arg {
+ const struct nfs_fh *dir_fh;
+ const struct qstr *name;
+ struct page *page;
+ const u32 *bitmask;
+};
+
#endif /* CONFIG_NFS_V4 */
struct nfs_page;
+#define NFS_PAGEVEC_SIZE (8U)
+
struct nfs_read_data {
int flags;
struct rpc_task task;
struct nfs_fattr fattr; /* fattr storage */
struct list_head pages; /* Coalesced read requests */
struct nfs_page *req; /* multi ops per nfs_page */
- struct page *pagevec[NFS_READ_MAXIOV];
+ struct page **pagevec;
+ unsigned int npages; /* Max length of pagevec */
struct nfs_readargs args;
struct nfs_readres res;
#ifdef CONFIG_NFS_V4
unsigned long timestamp; /* For lease renewal */
#endif
- void (*complete) (struct nfs_read_data *, int);
+ struct page *page_array[NFS_PAGEVEC_SIZE];
};
struct nfs_write_data {
struct nfs_writeverf verf;
struct list_head pages; /* Coalesced requests we wish to flush */
struct nfs_page *req; /* multi ops per nfs_page */
- struct page *pagevec[NFS_WRITE_MAXIOV];
+ struct page **pagevec;
+ unsigned int npages; /* Max length of pagevec */
struct nfs_writeargs args; /* argument struct */
struct nfs_writeres res; /* result struct */
#ifdef CONFIG_NFS_V4
unsigned long timestamp; /* For lease renewal */
#endif
- void (*complete) (struct nfs_write_data *, int);
+ struct page *page_array[NFS_PAGEVEC_SIZE];
};
struct nfs_access_entry;
struct nfs_rpc_ops {
int version; /* Protocol version */
struct dentry_operations *dentry_ops;
- struct inode_operations *dir_inode_ops;
- struct inode_operations *file_inode_ops;
+ const struct inode_operations *dir_inode_ops;
+ const struct inode_operations *file_inode_ops;
int (*getroot) (struct nfs_server *, struct nfs_fh *,
struct nfs_fsinfo *);
+ int (*lookupfh)(struct nfs_server *, struct nfs_fh *,
+ struct qstr *, struct nfs_fh *,
+ struct nfs_fattr *);
int (*getattr) (struct nfs_server *, struct nfs_fh *,
struct nfs_fattr *);
int (*setattr) (struct dentry *, struct nfs_fattr *,
int (*access) (struct inode *, struct nfs_access_entry *);
int (*readlink)(struct inode *, struct page *, unsigned int,
unsigned int);
- int (*read) (struct nfs_read_data *);
- int (*write) (struct nfs_write_data *);
- int (*commit) (struct nfs_write_data *);
int (*create) (struct inode *, struct dentry *,
struct iattr *, int, struct nameidata *);
int (*remove) (struct inode *, struct qstr *);
int (*rename) (struct inode *, struct qstr *,
struct inode *, struct qstr *);
int (*link) (struct inode *, struct inode *, struct qstr *);
- int (*symlink) (struct inode *, struct qstr *, struct qstr *,
- struct iattr *, struct nfs_fh *,
- struct nfs_fattr *);
+ int (*symlink) (struct inode *, struct dentry *, struct page *,
+ unsigned int, struct iattr *);
int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
int (*rmdir) (struct inode *, struct qstr *);
int (*readdir) (struct dentry *, struct rpc_cred *,
struct nfs_fsinfo *);
int (*pathconf) (struct nfs_server *, struct nfs_fh *,
struct nfs_pathconf *);
- u32 * (*decode_dirent)(u32 *, struct nfs_entry *, int plus);
+ int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
+ __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus);
void (*read_setup) (struct nfs_read_data *);
+ int (*read_done) (struct rpc_task *, struct nfs_read_data *);
void (*write_setup) (struct nfs_write_data *, int how);
+ int (*write_done) (struct rpc_task *, struct nfs_write_data *);
void (*commit_setup) (struct nfs_write_data *, int how);
+ int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
int (*file_open) (struct inode *, struct file *);
int (*file_release) (struct inode *, struct file *);
int (*lock)(struct file *, int, struct file_lock *);
/*
* Function vectors etc. for the NFS client
*/
-extern struct nfs_rpc_ops nfs_v2_clientops;
-extern struct nfs_rpc_ops nfs_v3_clientops;
-extern struct nfs_rpc_ops nfs_v4_clientops;
+extern const struct nfs_rpc_ops nfs_v2_clientops;
+extern const struct nfs_rpc_ops nfs_v3_clientops;
+extern const struct nfs_rpc_ops nfs_v4_clientops;
extern struct rpc_version nfs_version2;
extern struct rpc_version nfs_version3;
extern struct rpc_version nfs_version4;
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