[mirror_ubuntu-zesty-kernel.git] / include / linux / nfs_xdr.h

#ifndef _LINUX_NFS_XDR_H
#define _LINUX_NFS_XDR_H

#include <linux/sunrpc/xprt.h>
#include <linux/nfsacl.h>

/*
 * 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 nfs4_fsid {
	__u64 major;
	__u64 minor;
};

struct nfs_fattr {
	unsigned short		valid;		/* which fields are valid */
	__u64			pre_size;	/* pre_op_attr.size	  */
	struct timespec		pre_mtime;	/* pre_op_attr.mtime	  */
	struct timespec		pre_ctime;	/* pre_op_attr.ctime	  */
	enum nfs_ftype		type;		/* always use NFSv2 types */
	__u32			mode;
	__u32			nlink;
	__u32			uid;
	__u32			gid;
	__u64			size;
	union {
		struct {
			__u32	blocksize;
			__u32	blocks;
		} nfs2;
		struct {
			__u64	used;
		} nfs3;
	} du;
	dev_t			rdev;
	union {
		__u64		nfs3;		/* also nfs2 */
		struct nfs4_fsid nfs4;
	} fsid_u;
	__u64			fileid;
	struct timespec		atime;
	struct timespec		mtime;
	struct timespec		ctime;
	__u32			bitmap[2];	/* NFSv4 returned attribute bitmap */
	__u64			change_attr;	/* NFSv4 change attribute */
	__u64			pre_change_attr;/* pre-op NFSv4 change attribute */
	unsigned long		time_start;
};

#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		/* NFSv4 change attribute */

/*
 * Info on the file system
 */
struct nfs_fsinfo {
	struct nfs_fattr	*fattr; /* Post-op attributes */
	__u32			rtmax;	/* max.  read transfer size */
	__u32			rtpref;	/* pref. read transfer size */
	__u32			rtmult;	/* reads should be multiple of this */
	__u32			wtmax;	/* max.  write transfer size */
	__u32			wtpref;	/* pref. write transfer size */
	__u32			wtmult;	/* writes should be multiple of this */
	__u32			dtpref;	/* pref. readdir transfer size */
	__u64			maxfilesize;
	__u32			lease_time; /* in seconds */
};

struct nfs_fsstat {
	struct nfs_fattr	*fattr; /* Post-op attributes */
	__u64			tbytes;	/* total size in bytes */
	__u64			fbytes;	/* # of free bytes */
	__u64			abytes;	/* # of bytes available to user */
	__u64			tfiles;	/* # of files */
	__u64			ffiles;	/* # of free files */
	__u64			afiles;	/* # of files available to user */
};

struct nfs2_fsstat {
	__u32			tsize;  /* Server transfer size */
	__u32			bsize;  /* Filesystem block size */
	__u32			blocks; /* No. of "bsize" blocks on filesystem */
	__u32			bfree;  /* No. of free "bsize" blocks */
	__u32			bavail; /* No. of available "bsize" blocks */
};

struct nfs_pathconf {
	struct nfs_fattr	*fattr; /* Post-op attributes */
	__u32			max_link; /* max # of hard links */
	__u32			max_namelen; /* max name length */
};

struct nfs4_change_info {
	u32			atomic;
	u64			before;
	u64			after;
};

struct nfs_seqid;
/*
 * Arguments to the open call.
 */
struct nfs_openargs {
	const struct nfs_fh *	fh;
	struct nfs_seqid *	seqid;
	int			open_flags;
	__u64                   clientid;
	__u32                   id;
	union {
		struct iattr *  attrs;    /* UNCHECKED, GUARDED */
		nfs4_verifier   verifier; /* EXCLUSIVE */
		nfs4_stateid	delegation;		/* CLAIM_DELEGATE_CUR */
		int		delegation_type;	/* CLAIM_PREVIOUS */
	} u;
	const struct qstr *	name;
	const struct nfs_server *server;	 /* Needed for ID mapping */
	const u32 *		bitmask;
	__u32			claim;
};

struct nfs_openres {
	nfs4_stateid            stateid;
	struct nfs_fh           fh;
	struct nfs4_change_info	cinfo;
	__u32                   rflags;
	struct nfs_fattr *      f_attr;
	struct nfs_fattr *      dir_attr;
	const struct nfs_server *server;
	int			delegation_type;
	nfs4_stateid		delegation;
	__u32			do_recall;
	__u64			maxsize;
};

/*
 * Arguments to the open_confirm call.
 */
struct nfs_open_confirmargs {
	const struct nfs_fh *	fh;
	nfs4_stateid *		stateid;
	struct nfs_seqid *	seqid;
};

struct nfs_open_confirmres {
	nfs4_stateid            stateid;
};

/*
 * Arguments to the close call.
 */
struct nfs_closeargs {
	struct nfs_fh *         fh;
	nfs4_stateid *		stateid;
	struct nfs_seqid *	seqid;
	int			open_flags;
	const u32 *		bitmask;
};

struct nfs_closeres {
	nfs4_stateid            stateid;
	struct nfs_fattr *	fattr;
	const struct nfs_server *server;
};
/*
 *  * Arguments to the lock,lockt, and locku call.
 *   */
struct nfs_lowner {
	__u64			clientid;
	u32			id;
};

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;
	unsigned char		block : 1;
	unsigned char		reclaim : 1;
	unsigned char		new_lock_owner : 1;
};

struct nfs_lock_res {
	nfs4_stateid			stateid;
};

struct nfs_locku_args {
	struct nfs_fh *		fh;
	struct file_lock *	fl;
	struct nfs_seqid *	seqid;
	nfs4_stateid *		stateid;
};

struct nfs_locku_res {
	nfs4_stateid			stateid;
};

struct nfs_lockt_args {
	struct nfs_fh *		fh;
	struct file_lock *	fl;
	struct nfs_lowner	lock_owner;
};

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.
 */
struct nfs_readargs {
	struct nfs_fh *		fh;
	struct nfs_open_context *context;
	__u64			offset;
	__u32			count;
	unsigned int		pgbase;
	struct page **		pages;
};

struct nfs_readres {
	struct nfs_fattr *	fattr;
	__u32			count;
	int                     eof;
};

/*
 * Arguments to the write call.
 */
struct nfs_writeargs {
	struct nfs_fh *		fh;
	struct nfs_open_context *context;
	__u64			offset;
	__u32			count;
	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];
};

struct nfs_writeres {
	struct nfs_fattr *	fattr;
	struct nfs_writeverf *	verf;
	__u32			count;
	const struct nfs_server *server;
};

/*
 * Argument struct for decode_entry function
 */
struct nfs_entry {
	__u64			ino;
	__u64			cookie,
				prev_cookie;
	const char *		name;
	unsigned int		len;
	int			eof;
	struct nfs_fh *		fh;
	struct nfs_fattr *	fattr;
};

/*
 * The following types are for NFSv2 only.
 */
struct nfs_sattrargs {
	struct nfs_fh *		fh;
	struct iattr *		sattr;
};

struct nfs_diropargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
};

struct nfs_createargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
	struct iattr *		sattr;
};

struct nfs_renameargs {
	struct nfs_fh *		fromfh;
	const char *		fromname;
	unsigned int		fromlen;
	struct nfs_fh *		tofh;
	const char *		toname;
	unsigned int		tolen;
};

struct nfs_setattrargs {
	struct nfs_fh *                 fh;
	nfs4_stateid                    stateid;
	struct iattr *                  iap;
	const struct nfs_server *	server; /* Needed for name mapping */
	const u32 *			bitmask;
};

struct nfs_setaclargs {
	struct nfs_fh *			fh;
	size_t				acl_len;
	unsigned int			acl_pgbase;
	struct page **			acl_pages;
};

struct nfs_getaclargs {
	struct nfs_fh *			fh;
	size_t				acl_len;
	unsigned int			acl_pgbase;
	struct page **			acl_pages;
};

struct nfs_setattrres {
	struct nfs_fattr *              fattr;
	const struct nfs_server *	server;
};

struct nfs_linkargs {
	struct nfs_fh *		fromfh;
	struct nfs_fh *		tofh;
	const char *		toname;
	unsigned int		tolen;
};

struct nfs_symlinkargs {
	struct nfs_fh *		fromfh;
	const char *		fromname;
	unsigned int		fromlen;
	const char *		topath;
	unsigned int		tolen;
	struct iattr *		sattr;
};

struct nfs_readdirargs {
	struct nfs_fh *		fh;
	__u32			cookie;
	unsigned int		count;
	struct page **		pages;
};

struct nfs3_getaclargs {
	struct nfs_fh *		fh;
	int			mask;
	struct page **		pages;
};

struct nfs3_setaclargs {
	struct inode *		inode;
	int			mask;
	struct posix_acl *	acl_access;
	struct posix_acl *	acl_default;
	struct page **		pages;
};

struct nfs_diropok {
	struct nfs_fh *		fh;
	struct nfs_fattr *	fattr;
};

struct nfs_readlinkargs {
	struct nfs_fh *		fh;
	unsigned int		pgbase;
	unsigned int		pglen;
	struct page **		pages;
};

struct nfs3_sattrargs {
	struct nfs_fh *		fh;
	struct iattr *		sattr;
	unsigned int		guard;
	struct timespec		guardtime;
};

struct nfs3_diropargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
};

struct nfs3_accessargs {
	struct nfs_fh *		fh;
	__u32			access;
};

struct nfs3_createargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
	struct iattr *		sattr;
	enum nfs3_createmode	createmode;
	__u32			verifier[2];
};

struct nfs3_mkdirargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
	struct iattr *		sattr;
};

struct nfs3_symlinkargs {
	struct nfs_fh *		fromfh;
	const char *		fromname;
	unsigned int		fromlen;
	const char *		topath;
	unsigned int		tolen;
	struct iattr *		sattr;
};

struct nfs3_mknodargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
	enum nfs3_ftype		type;
	struct iattr *		sattr;
	dev_t			rdev;
};

struct nfs3_renameargs {
	struct nfs_fh *		fromfh;
	const char *		fromname;
	unsigned int		fromlen;
	struct nfs_fh *		tofh;
	const char *		toname;
	unsigned int		tolen;
};

struct nfs3_linkargs {
	struct nfs_fh *		fromfh;
	struct nfs_fh *		tofh;
	const char *		toname;
	unsigned int		tolen;
};

struct nfs3_readdirargs {
	struct nfs_fh *		fh;
	__u64			cookie;
	__u32			verf[2];
	int			plus;
	unsigned int            count;
	struct page **		pages;
};

struct nfs3_diropres {
	struct nfs_fattr *	dir_attr;
	struct nfs_fh *		fh;
	struct nfs_fattr *	fattr;
};

struct nfs3_accessres {
	struct nfs_fattr *	fattr;
	__u32			access;
};

struct nfs3_readlinkargs {
	struct nfs_fh *		fh;
	unsigned int		pgbase;
	unsigned int		pglen;
	struct page **		pages;
};

struct nfs3_renameres {
	struct nfs_fattr *	fromattr;
	struct nfs_fattr *	toattr;
};

struct nfs3_linkres {
	struct nfs_fattr *	dir_attr;
	struct nfs_fattr *	fattr;
};

struct nfs3_readdirres {
	struct nfs_fattr *	dir_attr;
	__u32 *			verf;
	int			plus;
};

struct nfs3_getaclres {
	struct nfs_fattr *	fattr;
	int			mask;
	unsigned int		acl_access_count;
	unsigned int		acl_default_count;
	struct posix_acl *	acl_access;
	struct posix_acl *	acl_default;
};

#ifdef CONFIG_NFS_V4

typedef u64 clientid4;

struct nfs4_accessargs {
	const struct nfs_fh *		fh;
	u32				access;
};

struct nfs4_accessres {
	u32				supported;
	u32				access;
};

struct nfs4_create_arg {
	u32				ftype;
	union {
		struct qstr *		symlink;    /* NF4LNK */
		struct {
			u32		specdata1;
			u32		specdata2;
		} device;    /* NF4BLK, NF4CHR */
	} u;
	const struct qstr *		name;
	const struct nfs_server *	server;
	const struct iattr *		attrs;
	const struct nfs_fh *		dir_fh;
	const u32 *			bitmask;
};

struct nfs4_create_res {
	const struct nfs_server *	server;
	struct nfs_fh *			fh;
	struct nfs_fattr *		fattr;
	struct nfs4_change_info		dir_cinfo;
	struct nfs_fattr *		dir_fattr;
};

struct nfs4_fsinfo_arg {
	const struct nfs_fh *		fh;
	const u32 *			bitmask;
};

struct nfs4_getattr_arg {
	const struct nfs_fh *		fh;
	const u32 *			bitmask;
};

struct nfs4_getattr_res {
	const struct nfs_server *	server;
	struct nfs_fattr *		fattr;
};

struct nfs4_link_arg {
	const struct nfs_fh *		fh;
	const struct nfs_fh *		dir_fh;
	const struct qstr *		name;
	const u32 *			bitmask;
};

struct nfs4_link_res {
	const struct nfs_server *	server;
	struct nfs_fattr *		fattr;
	struct nfs4_change_info		cinfo;
	struct nfs_fattr *		dir_attr;
};


struct nfs4_lookup_arg {
	const struct nfs_fh *		dir_fh;
	const struct qstr *		name;
	const u32 *			bitmask;
};

struct nfs4_lookup_res {
	const struct nfs_server *	server;
	struct nfs_fattr *		fattr;
	struct nfs_fh *			fh;
};

struct nfs4_lookup_root_arg {
	const u32 *			bitmask;
};

struct nfs4_pathconf_arg {
	const struct nfs_fh *		fh;
	const u32 *			bitmask;
};

struct nfs4_readdir_arg {
	const struct nfs_fh *		fh;
	u64				cookie;
	nfs4_verifier			verifier;
	u32				count;
	struct page **			pages;	/* zero-copy data */
	unsigned int			pgbase;	/* zero-copy data */
	const u32 *			bitmask;
};

struct nfs4_readdir_res {
	nfs4_verifier			verifier;
	unsigned int			pgbase;
};

struct nfs4_readlink {
	const struct nfs_fh *		fh;
	unsigned int			pgbase;
	unsigned int			pglen;   /* zero-copy data */
	struct page **			pages;   /* zero-copy data */
};

struct nfs4_remove_arg {
	const struct nfs_fh *		fh;
	const struct qstr *		name;
	const u32 *			bitmask;
};

struct nfs4_remove_res {
	const struct nfs_server *	server;
	struct nfs4_change_info		cinfo;
	struct nfs_fattr *		dir_attr;
};

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 */
	u32				sc_prog;          /* request */
	unsigned int			sc_netid_len;
	char				sc_netid[4];	  /* request */
	unsigned int			sc_uaddr_len;
	char				sc_uaddr[24];     /* request */
	u32				sc_cb_ident;      /* request */
};

struct nfs4_statfs_arg {
	const struct nfs_fh *		fh;
	const u32 *			bitmask;
};

struct nfs4_server_caps_res {
	u32				attr_bitmask[2];
	u32				acl_bitmask;
	u32				has_links;
	u32				has_symlinks;
};

#endif /* CONFIG_NFS_V4 */

struct nfs_page;

#define NFS_PAGEVEC_SIZE	(8U)

struct nfs_read_data {
	int			flags;
	struct rpc_task		task;
	struct inode		*inode;
	struct rpc_cred		*cred;
	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;
	struct nfs_readargs args;
	struct nfs_readres  res;
#ifdef CONFIG_NFS_V4
	unsigned long		timestamp;	/* For lease renewal */
#endif
	struct page		*page_array[NFS_PAGEVEC_SIZE];
};

struct nfs_write_data {
	int			flags;
	struct rpc_task		task;
	struct inode		*inode;
	struct rpc_cred		*cred;
	struct nfs_fattr	fattr;
	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;
	struct nfs_writeargs	args;		/* argument struct */
	struct nfs_writeres	res;		/* result struct */
#ifdef CONFIG_NFS_V4
	unsigned long		timestamp;	/* For lease renewal */
#endif
	struct page		*page_array[NFS_PAGEVEC_SIZE];
};

struct nfs_access_entry;

/*
 * RPC procedure vector for NFSv2/NFSv3 demuxing
 */
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;

	int	(*getroot) (struct nfs_server *, struct nfs_fh *,
			    struct nfs_fsinfo *);
	int	(*getattr) (struct nfs_server *, struct nfs_fh *,
			    struct nfs_fattr *);
	int	(*setattr) (struct dentry *, struct nfs_fattr *,
			    struct iattr *);
	int	(*lookup)  (struct inode *, struct qstr *,
			    struct nfs_fh *, 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	(*unlink_setup)  (struct rpc_message *,
			    struct dentry *, struct qstr *);
	int	(*unlink_done) (struct dentry *, struct rpc_task *);
	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	(*mkdir)   (struct inode *, struct dentry *, struct iattr *);
	int	(*rmdir)   (struct inode *, struct qstr *);
	int	(*readdir) (struct dentry *, struct rpc_cred *,
			    u64, struct page *, unsigned int, int);
	int	(*mknod)   (struct inode *, struct dentry *, struct iattr *,
			    dev_t);
	int	(*statfs)  (struct nfs_server *, struct nfs_fh *,
			    struct nfs_fsstat *);
	int	(*fsinfo)  (struct nfs_server *, struct nfs_fh *,
			    struct nfs_fsinfo *);
	int	(*pathconf) (struct nfs_server *, struct nfs_fh *,
			     struct nfs_pathconf *);
	u32 *	(*decode_dirent)(u32 *, 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 *);
	void	(*clear_acl_cache)(struct inode *);
};

/*
 * 	NFS_CALL(getattr, inode, (fattr));
 * into
 *	NFS_PROTO(inode)->getattr(fattr);
 */
#define NFS_CALL(op, inode, args)	NFS_PROTO(inode)->op args

/*
 * 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 struct rpc_version	nfs_version2;
extern struct rpc_version	nfs_version3;
extern struct rpc_version	nfs_version4;

extern struct rpc_version	nfsacl_version3;
extern struct rpc_program	nfsacl_program;

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_NFS_XDR_H
	2	#define _LINUX_NFS_XDR_H
	3
	4	#include <linux/sunrpc/xprt.h>
b7fa0554	5	#include <linux/nfsacl.h>
1da177e4	6
40859d7e CL	7	/*
	8	* To change the maximum rsize and wsize supported by the NFS client, adjust
	9	* NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
	10	* support a megabyte or more. The default is left at 4096 bytes, which is
	11	* reasonable for NFS over UDP.
	12	*/
	13	#define NFS_MAX_FILE_IO_SIZE (1048576U)
	14	#define NFS_DEF_FILE_IO_SIZE (4096U)
	15	#define NFS_MIN_FILE_IO_SIZE (1024U)
	16
1da177e4 LT	17	struct nfs4_fsid {
	18	__u64 major;
	19	__u64 minor;
	20	};
	21
	22	struct nfs_fattr {
	23	unsigned short valid; /* which fields are valid */
	24	__u64 pre_size; /* pre_op_attr.size */
	25	struct timespec pre_mtime; /* pre_op_attr.mtime */
	26	struct timespec pre_ctime; /* pre_op_attr.ctime */
	27	enum nfs_ftype type; /* always use NFSv2 types */
	28	__u32 mode;
	29	__u32 nlink;
	30	__u32 uid;
	31	__u32 gid;
	32	__u64 size;
	33	union {
	34	struct {
	35	__u32 blocksize;
	36	__u32 blocks;
	37	} nfs2;
	38	struct {
	39	__u64 used;
	40	} nfs3;
	41	} du;
	42	dev_t rdev;
	43	union {
	44	__u64 nfs3; /* also nfs2 */
	45	struct nfs4_fsid nfs4;
	46	} fsid_u;
	47	__u64 fileid;
	48	struct timespec atime;
	49	struct timespec mtime;
	50	struct timespec ctime;
	51	__u32 bitmap[2]; /* NFSv4 returned attribute bitmap */
	52	__u64 change_attr; /* NFSv4 change attribute */
	53	__u64 pre_change_attr;/* pre-op NFSv4 change attribute */
33801147	54	unsigned long time_start;
1da177e4 LT	55	};
	56
	57	#define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */
	58	#define NFS_ATTR_FATTR 0x0002 /* post-op attributes */
	59	#define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */
73a3d07c	60	#define NFS_ATTR_FATTR_V4 0x0008 /* NFSv4 change attribute */
1da177e4 LT	61
	62	/*
	63	* Info on the file system
	64	*/
	65	struct nfs_fsinfo {
	66	struct nfs_fattr fattr; / Post-op attributes */
	67	__u32 rtmax; /* max. read transfer size */
	68	__u32 rtpref; /* pref. read transfer size */
	69	__u32 rtmult; /* reads should be multiple of this */
	70	__u32 wtmax; /* max. write transfer size */
	71	__u32 wtpref; /* pref. write transfer size */
	72	__u32 wtmult; /* writes should be multiple of this */
	73	__u32 dtpref; /* pref. readdir transfer size */
	74	__u64 maxfilesize;
	75	__u32 lease_time; /* in seconds */
	76	};
	77
	78	struct nfs_fsstat {
	79	struct nfs_fattr fattr; / Post-op attributes */
	80	__u64 tbytes; /* total size in bytes */
	81	__u64 fbytes; /* # of free bytes */
	82	__u64 abytes; /* # of bytes available to user */
	83	__u64 tfiles; /* # of files */
	84	__u64 ffiles; /* # of free files */
	85	__u64 afiles; /* # of files available to user */
	86	};
	87
	88	struct nfs2_fsstat {
	89	__u32 tsize; /* Server transfer size */
	90	__u32 bsize; /* Filesystem block size */
	91	__u32 blocks; /* No. of "bsize" blocks on filesystem */
	92	__u32 bfree; /* No. of free "bsize" blocks */
	93	__u32 bavail; /* No. of available "bsize" blocks */
	94	};
	95
	96	struct nfs_pathconf {
	97	struct nfs_fattr fattr; / Post-op attributes */
	98	__u32 max_link; /* max # of hard links */
	99	__u32 max_namelen; /* max name length */
	100	};
	101
	102	struct nfs4_change_info {
	103	u32 atomic;
	104	u64 before;
	105	u64 after;
	106	};
	107
cee54fc9	108	struct nfs_seqid;
1da177e4 LT	109	/*
	110	* Arguments to the open call.
	111	*/
	112	struct nfs_openargs {
	113	const struct nfs_fh * fh;
cee54fc9	114	struct nfs_seqid * seqid;
1da177e4 LT	115	int open_flags;
	116	__u64 clientid;
	117	__u32 id;
	118	union {
	119	struct iattr * attrs; /* UNCHECKED, GUARDED */
	120	nfs4_verifier verifier; /* EXCLUSIVE */
	121	nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
	122	int delegation_type; /* CLAIM_PREVIOUS */
	123	} u;
	124	const struct qstr * name;
	125	const struct nfs_server server; / Needed for ID mapping */
	126	const u32 * bitmask;
	127	__u32 claim;
	128	};
	129
	130	struct nfs_openres {
	131	nfs4_stateid stateid;
	132	struct nfs_fh fh;
	133	struct nfs4_change_info cinfo;
	134	__u32 rflags;
	135	struct nfs_fattr * f_attr;
56ae19f3	136	struct nfs_fattr * dir_attr;
1da177e4 LT	137	const struct nfs_server *server;
	138	int delegation_type;
	139	nfs4_stateid delegation;
	140	__u32 do_recall;
	141	__u64 maxsize;
	142	};
	143
	144	/*
	145	* Arguments to the open_confirm call.
	146	*/
	147	struct nfs_open_confirmargs {
	148	const struct nfs_fh * fh;
cdd4e68b	149	nfs4_stateid * stateid;
cee54fc9	150	struct nfs_seqid * seqid;
1da177e4 LT	151	};
	152
	153	struct nfs_open_confirmres {
	154	nfs4_stateid stateid;
	155	};
	156
	157	/*
	158	* Arguments to the close call.
	159	*/
	160	struct nfs_closeargs {
	161	struct nfs_fh * fh;
9512135d	162	nfs4_stateid * stateid;
cee54fc9	163	struct nfs_seqid * seqid;
1da177e4	164	int open_flags;
516a6af6	165	const u32 * bitmask;
1da177e4 LT	166	};
	167
	168	struct nfs_closeres {
	169	nfs4_stateid stateid;
516a6af6 TM	170	struct nfs_fattr * fattr;
516a6af6 TM	171	const struct nfs_server *server;
1da177e4 LT	172	};
	173	/*
	174	* * Arguments to the lock,lockt, and locku call.
	175	* */
	176	struct nfs_lowner {
911d1aaf TM	177	__u64 clientid;
911d1aaf TM	178	u32 id;
1da177e4 LT	179	};
1da177e4 LT	180
911d1aaf TM	181	struct nfs_lock_args {
	182	struct nfs_fh * fh;
	183	struct file_lock * fl;
cee54fc9	184	struct nfs_seqid * lock_seqid;
06735b34 TM	185	nfs4_stateid * lock_stateid;
	186	struct nfs_seqid * open_seqid;
	187	nfs4_stateid * open_stateid;
911d1aaf TM	188	struct nfs_lowner lock_owner;
	189	unsigned char block : 1;
	190	unsigned char reclaim : 1;
	191	unsigned char new_lock_owner : 1;
	192	};
	193
	194	struct nfs_lock_res {
	195	nfs4_stateid stateid;
1da177e4 LT	196	};
1da177e4 LT	197
911d1aaf TM	198	struct nfs_locku_args {
	199	struct nfs_fh * fh;
	200	struct file_lock * fl;
cee54fc9	201	struct nfs_seqid * seqid;
faf5f49c	202	nfs4_stateid * stateid;
1da177e4 LT	203	};
1da177e4 LT	204
911d1aaf TM	205	struct nfs_locku_res {
911d1aaf TM	206	nfs4_stateid stateid;
1da177e4 LT	207	};
1da177e4 LT	208
911d1aaf TM	209	struct nfs_lockt_args {
	210	struct nfs_fh * fh;
	211	struct file_lock * fl;
	212	struct nfs_lowner lock_owner;
1da177e4 LT	213	};
1da177e4 LT	214
911d1aaf TM	215	struct nfs_lockt_res {
911d1aaf TM	216	struct file_lock * denied; /* LOCK, LOCKT failed */
1da177e4 LT	217	};
	218
	219	struct nfs4_delegreturnargs {
	220	const struct nfs_fh *fhandle;
	221	const nfs4_stateid *stateid;
fa178f29 TM	222	const u32 * bitmask;
	223	};
	224
	225	struct nfs4_delegreturnres {
	226	struct nfs_fattr * fattr;
	227	const struct nfs_server *server;
1da177e4 LT	228	};
	229
	230	/*
	231	* Arguments to the read call.
	232	*/
1da177e4 LT	233	struct nfs_readargs {
	234	struct nfs_fh * fh;
	235	struct nfs_open_context *context;
	236	__u64 offset;
	237	__u32 count;
	238	unsigned int pgbase;
	239	struct page ** pages;
	240	};
	241
	242	struct nfs_readres {
	243	struct nfs_fattr * fattr;
	244	__u32 count;
	245	int eof;
	246	};
	247
	248	/*
	249	* Arguments to the write call.
	250	*/
1da177e4 LT	251	struct nfs_writeargs {
	252	struct nfs_fh * fh;
	253	struct nfs_open_context *context;
	254	__u64 offset;
	255	__u32 count;
	256	enum nfs3_stable_how stable;
	257	unsigned int pgbase;
	258	struct page ** pages;
4f9838c7	259	const u32 * bitmask;
1da177e4 LT	260	};
	261
	262	struct nfs_writeverf {
	263	enum nfs3_stable_how committed;
	264	__u32 verifier[2];
	265	};
	266
	267	struct nfs_writeres {
	268	struct nfs_fattr * fattr;
	269	struct nfs_writeverf * verf;
	270	__u32 count;
4f9838c7	271	const struct nfs_server *server;
1da177e4 LT	272	};
	273
	274	/*
	275	* Argument struct for decode_entry function
	276	*/
	277	struct nfs_entry {
	278	__u64 ino;
	279	__u64 cookie,
	280	prev_cookie;
	281	const char * name;
	282	unsigned int len;
	283	int eof;
	284	struct nfs_fh * fh;
	285	struct nfs_fattr * fattr;
	286	};
	287
	288	/*
	289	* The following types are for NFSv2 only.
	290	*/
	291	struct nfs_sattrargs {
	292	struct nfs_fh * fh;
	293	struct iattr * sattr;
	294	};
	295
	296	struct nfs_diropargs {
	297	struct nfs_fh * fh;
	298	const char * name;
	299	unsigned int len;
	300	};
	301
	302	struct nfs_createargs {
	303	struct nfs_fh * fh;
	304	const char * name;
	305	unsigned int len;
	306	struct iattr * sattr;
	307	};
	308
	309	struct nfs_renameargs {
	310	struct nfs_fh * fromfh;
	311	const char * fromname;
	312	unsigned int fromlen;
	313	struct nfs_fh * tofh;
	314	const char * toname;
	315	unsigned int tolen;
	316	};
	317
	318	struct nfs_setattrargs {
	319	struct nfs_fh * fh;
	320	nfs4_stateid stateid;
	321	struct iattr * iap;
	322	const struct nfs_server * server; /* Needed for name mapping */
	323	const u32 * bitmask;
	324	};
	325
23ec6965 BF	326	struct nfs_setaclargs {
	327	struct nfs_fh * fh;
	328	size_t acl_len;
	329	unsigned int acl_pgbase;
	330	struct page ** acl_pages;
	331	};
	332
029d105e BF	333	struct nfs_getaclargs {
	334	struct nfs_fh * fh;
	335	size_t acl_len;
	336	unsigned int acl_pgbase;
	337	struct page ** acl_pages;
	338	};
	339
1da177e4 LT	340	struct nfs_setattrres {
	341	struct nfs_fattr * fattr;
	342	const struct nfs_server * server;
	343	};
	344
	345	struct nfs_linkargs {
	346	struct nfs_fh * fromfh;
	347	struct nfs_fh * tofh;
	348	const char * toname;
	349	unsigned int tolen;
	350	};
	351
	352	struct nfs_symlinkargs {
	353	struct nfs_fh * fromfh;
	354	const char * fromname;
	355	unsigned int fromlen;
	356	const char * topath;
	357	unsigned int tolen;
	358	struct iattr * sattr;
	359	};
	360
	361	struct nfs_readdirargs {
	362	struct nfs_fh * fh;
	363	__u32 cookie;
	364	unsigned int count;
	365	struct page ** pages;
	366	};
	367
b7fa0554 AG	368	struct nfs3_getaclargs {
	369	struct nfs_fh * fh;
	370	int mask;
	371	struct page ** pages;
	372	};
	373
	374	struct nfs3_setaclargs {
	375	struct inode * inode;
	376	int mask;
	377	struct posix_acl * acl_access;
	378	struct posix_acl * acl_default;
	379	struct page ** pages;
	380	};
	381
1da177e4 LT	382	struct nfs_diropok {
	383	struct nfs_fh * fh;
	384	struct nfs_fattr * fattr;
	385	};
	386
	387	struct nfs_readlinkargs {
	388	struct nfs_fh * fh;
	389	unsigned int pgbase;
	390	unsigned int pglen;
	391	struct page ** pages;
	392	};
	393
	394	struct nfs3_sattrargs {
	395	struct nfs_fh * fh;
	396	struct iattr * sattr;
	397	unsigned int guard;
	398	struct timespec guardtime;
	399	};
	400
	401	struct nfs3_diropargs {
	402	struct nfs_fh * fh;
	403	const char * name;
	404	unsigned int len;
	405	};
	406
	407	struct nfs3_accessargs {
	408	struct nfs_fh * fh;
	409	__u32 access;
	410	};
	411
	412	struct nfs3_createargs {
	413	struct nfs_fh * fh;
	414	const char * name;
	415	unsigned int len;
	416	struct iattr * sattr;
	417	enum nfs3_createmode createmode;
	418	__u32 verifier[2];
	419	};
	420
	421	struct nfs3_mkdirargs {
	422	struct nfs_fh * fh;
	423	const char * name;
	424	unsigned int len;
	425	struct iattr * sattr;
	426	};
	427
	428	struct nfs3_symlinkargs {
	429	struct nfs_fh * fromfh;
	430	const char * fromname;
	431	unsigned int fromlen;
	432	const char * topath;
	433	unsigned int tolen;
	434	struct iattr * sattr;
	435	};
	436
	437	struct nfs3_mknodargs {
	438	struct nfs_fh * fh;
	439	const char * name;
	440	unsigned int len;
	441	enum nfs3_ftype type;
	442	struct iattr * sattr;
	443	dev_t rdev;
	444	};
	445
446	struct nfs3_renameargs {
447	struct nfs_fh * fromfh;
448	const char * fromname;
449	unsigned int fromlen;
450	struct nfs_fh * tofh;
451	const char * toname;
452	unsigned int tolen;
453	};
454
455	struct nfs3_linkargs {
456	struct nfs_fh * fromfh;
457	struct nfs_fh * tofh;
458	const char * toname;
459	unsigned int tolen;
460	};
461
462	struct nfs3_readdirargs {
463	struct nfs_fh * fh;
464	__u64 cookie;
465	__u32 verf[2];
466	int plus;
467	unsigned int count;
468	struct page ** pages;
469	};
470
471	struct nfs3_diropres {
472	struct nfs_fattr * dir_attr;
473	struct nfs_fh * fh;
474	struct nfs_fattr * fattr;
475	};
476
477	struct nfs3_accessres {
478	struct nfs_fattr * fattr;
479	__u32 access;
480	};
481
482	struct nfs3_readlinkargs {
483	struct nfs_fh * fh;
484	unsigned int pgbase;
485	unsigned int pglen;
486	struct page ** pages;
487	};
488
489	struct nfs3_renameres {
490	struct nfs_fattr * fromattr;
491	struct nfs_fattr * toattr;
492	};
493
494	struct nfs3_linkres {
495	struct nfs_fattr * dir_attr;
496	struct nfs_fattr * fattr;
497	};
498
499	struct nfs3_readdirres {
500	struct nfs_fattr * dir_attr;
501	__u32 * verf;
502	int plus;
503	};
504
b7fa0554 AG	505	struct nfs3_getaclres {
	506	struct nfs_fattr * fattr;
	507	int mask;
	508	unsigned int acl_access_count;
	509	unsigned int acl_default_count;
	510	struct posix_acl * acl_access;
	511	struct posix_acl * acl_default;
	512	};
	513
1da177e4 LT	514	#ifdef CONFIG_NFS_V4
	515
	516	typedef u64 clientid4;
	517
	518	struct nfs4_accessargs {
	519	const struct nfs_fh * fh;
	520	u32 access;
	521	};
	522
	523	struct nfs4_accessres {
	524	u32 supported;
	525	u32 access;
	526	};
	527
	528	struct nfs4_create_arg {
	529	u32 ftype;
	530	union {
	531	struct qstr * symlink; /* NF4LNK */
	532	struct {
	533	u32 specdata1;
	534	u32 specdata2;
	535	} device; /* NF4BLK, NF4CHR */
	536	} u;
	537	const struct qstr * name;
	538	const struct nfs_server * server;
	539	const struct iattr * attrs;
	540	const struct nfs_fh * dir_fh;
	541	const u32 * bitmask;
	542	};
	543
	544	struct nfs4_create_res {
	545	const struct nfs_server * server;
	546	struct nfs_fh * fh;
	547	struct nfs_fattr * fattr;
	548	struct nfs4_change_info dir_cinfo;
56ae19f3	549	struct nfs_fattr * dir_fattr;
1da177e4 LT	550	};
	551
	552	struct nfs4_fsinfo_arg {
	553	const struct nfs_fh * fh;
	554	const u32 * bitmask;
	555	};
	556
	557	struct nfs4_getattr_arg {
	558	const struct nfs_fh * fh;
	559	const u32 * bitmask;
	560	};
	561
	562	struct nfs4_getattr_res {
	563	const struct nfs_server * server;
	564	struct nfs_fattr * fattr;
	565	};
	566
	567	struct nfs4_link_arg {
	568	const struct nfs_fh * fh;
	569	const struct nfs_fh * dir_fh;
	570	const struct qstr * name;
91ba2eee TM	571	const u32 * bitmask;
	572	};
	573
	574	struct nfs4_link_res {
	575	const struct nfs_server * server;
	576	struct nfs_fattr * fattr;
	577	struct nfs4_change_info cinfo;
	578	struct nfs_fattr * dir_attr;
1da177e4 LT	579	};
1da177e4 LT	580
91ba2eee	581
1da177e4 LT	582	struct nfs4_lookup_arg {
	583	const struct nfs_fh * dir_fh;
	584	const struct qstr * name;
	585	const u32 * bitmask;
	586	};
	587
	588	struct nfs4_lookup_res {
	589	const struct nfs_server * server;
	590	struct nfs_fattr * fattr;
	591	struct nfs_fh * fh;
	592	};
	593
	594	struct nfs4_lookup_root_arg {
	595	const u32 * bitmask;
	596	};
	597
	598	struct nfs4_pathconf_arg {
	599	const struct nfs_fh * fh;
	600	const u32 * bitmask;
	601	};
	602
	603	struct nfs4_readdir_arg {
	604	const struct nfs_fh * fh;
	605	u64 cookie;
	606	nfs4_verifier verifier;
	607	u32 count;
	608	struct page ** pages; /* zero-copy data */
	609	unsigned int pgbase; /* zero-copy data */
	610	const u32 * bitmask;
	611	};
	612
	613	struct nfs4_readdir_res {
	614	nfs4_verifier verifier;
	615	unsigned int pgbase;
	616	};
	617
	618	struct nfs4_readlink {
	619	const struct nfs_fh * fh;
	620	unsigned int pgbase;
	621	unsigned int pglen; /* zero-copy data */
	622	struct page ** pages; /* zero-copy data */
	623	};
	624
	625	struct nfs4_remove_arg {
	626	const struct nfs_fh * fh;
	627	const struct qstr * name;
16e42959 TM	628	const u32 * bitmask;
	629	};
	630
	631	struct nfs4_remove_res {
	632	const struct nfs_server * server;
	633	struct nfs4_change_info cinfo;
	634	struct nfs_fattr * dir_attr;
1da177e4 LT	635	};
	636
	637	struct nfs4_rename_arg {
	638	const struct nfs_fh * old_dir;
	639	const struct nfs_fh * new_dir;
	640	const struct qstr * old_name;
	641	const struct qstr * new_name;
6caf2c82	642	const u32 * bitmask;
1da177e4 LT	643	};
	644
	645	struct nfs4_rename_res {
6caf2c82	646	const struct nfs_server * server;
1da177e4	647	struct nfs4_change_info old_cinfo;
6caf2c82	648	struct nfs_fattr * old_fattr;
1da177e4	649	struct nfs4_change_info new_cinfo;
6caf2c82	650	struct nfs_fattr * new_fattr;
1da177e4 LT	651	};
	652
	653	struct nfs4_setclientid {
	654	const nfs4_verifier * sc_verifier; /* request */
	655	unsigned int sc_name_len;
	656	char sc_name[32]; /* request */
	657	u32 sc_prog; /* request */
	658	unsigned int sc_netid_len;
	659	char sc_netid[4]; /* request */
	660	unsigned int sc_uaddr_len;
	661	char sc_uaddr[24]; /* request */
	662	u32 sc_cb_ident; /* request */
	663	};
	664
	665	struct nfs4_statfs_arg {
	666	const struct nfs_fh * fh;
	667	const u32 * bitmask;
	668	};
	669
	670	struct nfs4_server_caps_res {
	671	u32 attr_bitmask[2];
	672	u32 acl_bitmask;
	673	u32 has_links;
	674	u32 has_symlinks;
	675	};
	676
	677	#endif /* CONFIG_NFS_V4 */
	678
	679	struct nfs_page;
	680
40859d7e CL	681	#define NFS_PAGEVEC_SIZE (8U)
40859d7e CL	682
1da177e4 LT	683	struct nfs_read_data {
	684	int flags;
	685	struct rpc_task task;
	686	struct inode *inode;
	687	struct rpc_cred *cred;
	688	struct nfs_fattr fattr; /* fattr storage */
	689	struct list_head pages; /* Coalesced read requests */
	690	struct nfs_page req; / multi ops per nfs_page */
40859d7e	691	struct page **pagevec;
1da177e4 LT	692	struct nfs_readargs args;
	693	struct nfs_readres res;
	694	#ifdef CONFIG_NFS_V4
	695	unsigned long timestamp; /* For lease renewal */
	696	#endif
0d0b5cb3	697	struct page *page_array[NFS_PAGEVEC_SIZE];
1da177e4 LT	698	};
	699
	700	struct nfs_write_data {
	701	int flags;
	702	struct rpc_task task;
	703	struct inode *inode;
	704	struct rpc_cred *cred;
	705	struct nfs_fattr fattr;
	706	struct nfs_writeverf verf;
	707	struct list_head pages; /* Coalesced requests we wish to flush */
	708	struct nfs_page req; / multi ops per nfs_page */
40859d7e	709	struct page **pagevec;
1da177e4 LT	710	struct nfs_writeargs args; /* argument struct */
	711	struct nfs_writeres res; /* result struct */
	712	#ifdef CONFIG_NFS_V4
	713	unsigned long timestamp; /* For lease renewal */
	714	#endif
0d0b5cb3	715	struct page *page_array[NFS_PAGEVEC_SIZE];
1da177e4 LT	716	};
	717
	718	struct nfs_access_entry;
	719
	720	/*
	721	* RPC procedure vector for NFSv2/NFSv3 demuxing
	722	*/
	723	struct nfs_rpc_ops {
	724	int version; /* Protocol version */
	725	struct dentry_operations *dentry_ops;
	726	struct inode_operations *dir_inode_ops;
92cfc62c	727	struct inode_operations *file_inode_ops;
1da177e4 LT	728
	729	int (getroot) (struct nfs_server , struct nfs_fh *,
	730	struct nfs_fsinfo *);
	731	int (getattr) (struct nfs_server , struct nfs_fh *,
	732	struct nfs_fattr *);
	733	int (setattr) (struct dentry , struct nfs_fattr *,
	734	struct iattr *);
	735	int (lookup) (struct inode , struct qstr *,
	736	struct nfs_fh , struct nfs_fattr );
	737	int (access) (struct inode , struct nfs_access_entry *);
	738	int (readlink)(struct inode , struct page *, unsigned int,
	739	unsigned int);
	740	int (read) (struct nfs_read_data );
	741	int (write) (struct nfs_write_data );
	742	int (commit) (struct nfs_write_data );
	743	int (create) (struct inode , struct dentry *,
02a913a7	744	struct iattr , int, struct nameidata );
1da177e4 LT	745	int (remove) (struct inode , struct qstr *);
	746	int (unlink_setup) (struct rpc_message ,
	747	struct dentry , struct qstr );
	748	int (unlink_done) (struct dentry , struct rpc_task *);
	749	int (rename) (struct inode , struct qstr *,
	750	struct inode , struct qstr );
	751	int (link) (struct inode , struct inode , struct qstr );
	752	int (symlink) (struct inode , struct qstr , struct qstr ,
	753	struct iattr , struct nfs_fh ,
	754	struct nfs_fattr *);
	755	int (mkdir) (struct inode , struct dentry , struct iattr );
	756	int (rmdir) (struct inode , struct qstr *);
	757	int (readdir) (struct dentry , struct rpc_cred *,
	758	u64, struct page *, unsigned int, int);
	759	int (mknod) (struct inode , struct dentry , struct iattr ,
	760	dev_t);
	761	int (statfs) (struct nfs_server , struct nfs_fh *,
	762	struct nfs_fsstat *);
	763	int (fsinfo) (struct nfs_server , struct nfs_fh *,
	764	struct nfs_fsinfo *);
	765	int (pathconf) (struct nfs_server , struct nfs_fh *,
	766	struct nfs_pathconf *);
	767	u32 * (decode_dirent)(u32 , struct nfs_entry *, int plus);
	768	void (read_setup) (struct nfs_read_data );
ec06c096	769	int (read_done) (struct rpc_task , struct nfs_read_data *);
1da177e4	770	void (write_setup) (struct nfs_write_data , int how);
788e7a89	771	int (write_done) (struct rpc_task , struct nfs_write_data *);
1da177e4	772	void (commit_setup) (struct nfs_write_data , int how);
788e7a89	773	int (commit_done) (struct rpc_task , struct nfs_write_data *);
1da177e4 LT	774	int (file_open) (struct inode , struct file *);
	775	int (file_release) (struct inode , struct file *);
	776	int (lock)(struct file , int, struct file_lock *);
ada70d94	777	void (clear_acl_cache)(struct inode );
1da177e4 LT	778	};
	779
	780	/*
	781	* NFS_CALL(getattr, inode, (fattr));
	782	* into
	783	* NFS_PROTO(inode)->getattr(fattr);
	784	*/
	785	#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
	786
	787	/*
	788	* Function vectors etc. for the NFS client
	789	*/
	790	extern struct nfs_rpc_ops nfs_v2_clientops;
	791	extern struct nfs_rpc_ops nfs_v3_clientops;
	792	extern struct nfs_rpc_ops nfs_v4_clientops;
	793	extern struct rpc_version nfs_version2;
	794	extern struct rpc_version nfs_version3;
	795	extern struct rpc_version nfs_version4;
	796
b7fa0554 AG	797	extern struct rpc_version nfsacl_version3;
	798	extern struct rpc_program nfsacl_program;
	799
1da177e4	800	#endif