[mirror_ubuntu-artful-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
#define NFS_ATTR_PRE_CHANGE	0x0010

/*
 * 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;
};

/*
 * 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
	void (*complete) (struct nfs_read_data *, int);
	struct page		*page_array[NFS_PAGEVEC_SIZE + 1];
};

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
	void (*complete) (struct nfs_write_data *, int);
	struct page		*page_array[NFS_PAGEVEC_SIZE + 1];
};

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 *);
	void	(*write_setup)  (struct nfs_write_data *, int how);
	void	(*commit_setup) (struct nfs_write_data *, int how);
	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 */
	60	#define NFS_ATTR_FATTR_V4 0x0008
	61	#define NFS_ATTR_PRE_CHANGE 0x0010
	62
	63	/*
	64	* Info on the file system
	65	*/
	66	struct nfs_fsinfo {
	67	struct nfs_fattr fattr; / Post-op attributes */
	68	__u32 rtmax; /* max. read transfer size */
	69	__u32 rtpref; /* pref. read transfer size */
	70	__u32 rtmult; /* reads should be multiple of this */
	71	__u32 wtmax; /* max. write transfer size */
	72	__u32 wtpref; /* pref. write transfer size */
	73	__u32 wtmult; /* writes should be multiple of this */
	74	__u32 dtpref; /* pref. readdir transfer size */
	75	__u64 maxfilesize;
	76	__u32 lease_time; /* in seconds */
	77	};
	78
	79	struct nfs_fsstat {
	80	struct nfs_fattr fattr; / Post-op attributes */
	81	__u64 tbytes; /* total size in bytes */
	82	__u64 fbytes; /* # of free bytes */
	83	__u64 abytes; /* # of bytes available to user */
	84	__u64 tfiles; /* # of files */
	85	__u64 ffiles; /* # of free files */
	86	__u64 afiles; /* # of files available to user */
	87	};
	88
	89	struct nfs2_fsstat {
	90	__u32 tsize; /* Server transfer size */
	91	__u32 bsize; /* Filesystem block size */
	92	__u32 blocks; /* No. of "bsize" blocks on filesystem */
	93	__u32 bfree; /* No. of free "bsize" blocks */
	94	__u32 bavail; /* No. of available "bsize" blocks */
	95	};
	96
	97	struct nfs_pathconf {
	98	struct nfs_fattr fattr; / Post-op attributes */
	99	__u32 max_link; /* max # of hard links */
	100	__u32 max_namelen; /* max name length */
	101	};
	102
	103	struct nfs4_change_info {
	104	u32 atomic;
	105	u64 before;
	106	u64 after;
	107	};
	108
cee54fc9	109	struct nfs_seqid;
1da177e4 LT	110	/*
	111	* Arguments to the open call.
	112	*/
	113	struct nfs_openargs {
	114	const struct nfs_fh * fh;
cee54fc9	115	struct nfs_seqid * seqid;
1da177e4 LT	116	int open_flags;
	117	__u64 clientid;
	118	__u32 id;
	119	union {
	120	struct iattr * attrs; /* UNCHECKED, GUARDED */
	121	nfs4_verifier verifier; /* EXCLUSIVE */
	122	nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
	123	int delegation_type; /* CLAIM_PREVIOUS */
	124	} u;
	125	const struct qstr * name;
	126	const struct nfs_server server; / Needed for ID mapping */
	127	const u32 * bitmask;
	128	__u32 claim;
	129	};
	130
	131	struct nfs_openres {
	132	nfs4_stateid stateid;
	133	struct nfs_fh fh;
	134	struct nfs4_change_info cinfo;
	135	__u32 rflags;
	136	struct nfs_fattr * f_attr;
56ae19f3	137	struct nfs_fattr * dir_attr;
1da177e4 LT	138	const struct nfs_server *server;
	139	int delegation_type;
	140	nfs4_stateid delegation;
	141	__u32 do_recall;
	142	__u64 maxsize;
	143	};
	144
	145	/*
	146	* Arguments to the open_confirm call.
	147	*/
	148	struct nfs_open_confirmargs {
	149	const struct nfs_fh * fh;
cdd4e68b	150	nfs4_stateid * stateid;
cee54fc9	151	struct nfs_seqid * seqid;
1da177e4 LT	152	};
	153
	154	struct nfs_open_confirmres {
	155	nfs4_stateid stateid;
	156	};
	157
	158	/*
	159	* Arguments to the close call.
	160	*/
	161	struct nfs_closeargs {
	162	struct nfs_fh * fh;
9512135d	163	nfs4_stateid * stateid;
cee54fc9	164	struct nfs_seqid * seqid;
1da177e4	165	int open_flags;
516a6af6	166	const u32 * bitmask;
1da177e4 LT	167	};
	168
	169	struct nfs_closeres {
	170	nfs4_stateid stateid;
516a6af6 TM	171	struct nfs_fattr * fattr;
516a6af6 TM	172	const struct nfs_server *server;
1da177e4 LT	173	};
	174	/*
	175	* * Arguments to the lock,lockt, and locku call.
	176	* */
	177	struct nfs_lowner {
911d1aaf TM	178	__u64 clientid;
911d1aaf TM	179	u32 id;
1da177e4 LT	180	};
1da177e4 LT	181
911d1aaf TM	182	struct nfs_lock_args {
	183	struct nfs_fh * fh;
	184	struct file_lock * fl;
cee54fc9	185	struct nfs_seqid * lock_seqid;
06735b34 TM	186	nfs4_stateid * lock_stateid;
	187	struct nfs_seqid * open_seqid;
	188	nfs4_stateid * open_stateid;
911d1aaf TM	189	struct nfs_lowner lock_owner;
	190	unsigned char block : 1;
	191	unsigned char reclaim : 1;
	192	unsigned char new_lock_owner : 1;
	193	};
	194
	195	struct nfs_lock_res {
	196	nfs4_stateid stateid;
1da177e4 LT	197	};
1da177e4 LT	198
911d1aaf TM	199	struct nfs_locku_args {
	200	struct nfs_fh * fh;
	201	struct file_lock * fl;
cee54fc9	202	struct nfs_seqid * seqid;
faf5f49c	203	nfs4_stateid * stateid;
1da177e4 LT	204	};
1da177e4 LT	205
911d1aaf TM	206	struct nfs_locku_res {
911d1aaf TM	207	nfs4_stateid stateid;
1da177e4 LT	208	};
1da177e4 LT	209
911d1aaf TM	210	struct nfs_lockt_args {
	211	struct nfs_fh * fh;
	212	struct file_lock * fl;
	213	struct nfs_lowner lock_owner;
1da177e4 LT	214	};
1da177e4 LT	215
911d1aaf TM	216	struct nfs_lockt_res {
911d1aaf TM	217	struct file_lock * denied; /* LOCK, LOCKT failed */
1da177e4 LT	218	};
	219
	220	struct nfs4_delegreturnargs {
	221	const struct nfs_fh *fhandle;
	222	const nfs4_stateid *stateid;
	223	};
	224
	225	/*
	226	* Arguments to the read call.
	227	*/
1da177e4 LT	228	struct nfs_readargs {
	229	struct nfs_fh * fh;
	230	struct nfs_open_context *context;
	231	__u64 offset;
	232	__u32 count;
	233	unsigned int pgbase;
	234	struct page ** pages;
	235	};
	236
	237	struct nfs_readres {
	238	struct nfs_fattr * fattr;
	239	__u32 count;
	240	int eof;
	241	};
	242
	243	/*
	244	* Arguments to the write call.
	245	*/
1da177e4 LT	246	struct nfs_writeargs {
	247	struct nfs_fh * fh;
	248	struct nfs_open_context *context;
	249	__u64 offset;
	250	__u32 count;
	251	enum nfs3_stable_how stable;
	252	unsigned int pgbase;
	253	struct page ** pages;
4f9838c7	254	const u32 * bitmask;
1da177e4 LT	255	};
	256
	257	struct nfs_writeverf {
	258	enum nfs3_stable_how committed;
	259	__u32 verifier[2];
	260	};
	261
	262	struct nfs_writeres {
	263	struct nfs_fattr * fattr;
	264	struct nfs_writeverf * verf;
	265	__u32 count;
4f9838c7	266	const struct nfs_server *server;
1da177e4 LT	267	};
	268
	269	/*
	270	* Argument struct for decode_entry function
	271	*/
	272	struct nfs_entry {
	273	__u64 ino;
	274	__u64 cookie,
	275	prev_cookie;
	276	const char * name;
	277	unsigned int len;
	278	int eof;
	279	struct nfs_fh * fh;
	280	struct nfs_fattr * fattr;
	281	};
	282
	283	/*
	284	* The following types are for NFSv2 only.
	285	*/
	286	struct nfs_sattrargs {
	287	struct nfs_fh * fh;
	288	struct iattr * sattr;
	289	};
	290
	291	struct nfs_diropargs {
	292	struct nfs_fh * fh;
	293	const char * name;
	294	unsigned int len;
	295	};
	296
	297	struct nfs_createargs {
	298	struct nfs_fh * fh;
	299	const char * name;
	300	unsigned int len;
	301	struct iattr * sattr;
	302	};
	303
	304	struct nfs_renameargs {
	305	struct nfs_fh * fromfh;
	306	const char * fromname;
	307	unsigned int fromlen;
	308	struct nfs_fh * tofh;
	309	const char * toname;
	310	unsigned int tolen;
	311	};
	312
	313	struct nfs_setattrargs {
	314	struct nfs_fh * fh;
	315	nfs4_stateid stateid;
	316	struct iattr * iap;
	317	const struct nfs_server * server; /* Needed for name mapping */
	318	const u32 * bitmask;
	319	};
	320
23ec6965 BF	321	struct nfs_setaclargs {
	322	struct nfs_fh * fh;
	323	size_t acl_len;
	324	unsigned int acl_pgbase;
	325	struct page ** acl_pages;
	326	};
	327
029d105e BF	328	struct nfs_getaclargs {
	329	struct nfs_fh * fh;
	330	size_t acl_len;
	331	unsigned int acl_pgbase;
	332	struct page ** acl_pages;
	333	};
	334
1da177e4 LT	335	struct nfs_setattrres {
	336	struct nfs_fattr * fattr;
	337	const struct nfs_server * server;
	338	};
	339
	340	struct nfs_linkargs {
	341	struct nfs_fh * fromfh;
	342	struct nfs_fh * tofh;
	343	const char * toname;
	344	unsigned int tolen;
	345	};
	346
	347	struct nfs_symlinkargs {
	348	struct nfs_fh * fromfh;
	349	const char * fromname;
	350	unsigned int fromlen;
	351	const char * topath;
	352	unsigned int tolen;
	353	struct iattr * sattr;
	354	};
	355
	356	struct nfs_readdirargs {
	357	struct nfs_fh * fh;
	358	__u32 cookie;
	359	unsigned int count;
	360	struct page ** pages;
	361	};
	362
b7fa0554 AG	363	struct nfs3_getaclargs {
	364	struct nfs_fh * fh;
	365	int mask;
	366	struct page ** pages;
	367	};
	368
	369	struct nfs3_setaclargs {
	370	struct inode * inode;
	371	int mask;
	372	struct posix_acl * acl_access;
	373	struct posix_acl * acl_default;
	374	struct page ** pages;
	375	};
	376
1da177e4 LT	377	struct nfs_diropok {
	378	struct nfs_fh * fh;
	379	struct nfs_fattr * fattr;
	380	};
	381
	382	struct nfs_readlinkargs {
	383	struct nfs_fh * fh;
	384	unsigned int pgbase;
	385	unsigned int pglen;
	386	struct page ** pages;
	387	};
	388
	389	struct nfs3_sattrargs {
	390	struct nfs_fh * fh;
	391	struct iattr * sattr;
	392	unsigned int guard;
	393	struct timespec guardtime;
	394	};
	395
	396	struct nfs3_diropargs {
	397	struct nfs_fh * fh;
	398	const char * name;
	399	unsigned int len;
	400	};
	401
	402	struct nfs3_accessargs {
	403	struct nfs_fh * fh;
	404	__u32 access;
	405	};
	406
	407	struct nfs3_createargs {
	408	struct nfs_fh * fh;
	409	const char * name;
	410	unsigned int len;
	411	struct iattr * sattr;
	412	enum nfs3_createmode createmode;
	413	__u32 verifier[2];
	414	};
	415
	416	struct nfs3_mkdirargs {
	417	struct nfs_fh * fh;
	418	const char * name;
	419	unsigned int len;
	420	struct iattr * sattr;
	421	};
	422
	423	struct nfs3_symlinkargs {
	424	struct nfs_fh * fromfh;
	425	const char * fromname;
	426	unsigned int fromlen;
	427	const char * topath;
	428	unsigned int tolen;
	429	struct iattr * sattr;
	430	};
	431
	432	struct nfs3_mknodargs {
	433	struct nfs_fh * fh;
	434	const char * name;
	435	unsigned int len;
	436	enum nfs3_ftype type;
	437	struct iattr * sattr;
	438	dev_t rdev;
	439	};
	440
441	struct nfs3_renameargs {
442	struct nfs_fh * fromfh;
443	const char * fromname;
444	unsigned int fromlen;
445	struct nfs_fh * tofh;
446	const char * toname;
447	unsigned int tolen;
448	};
449
450	struct nfs3_linkargs {
451	struct nfs_fh * fromfh;
452	struct nfs_fh * tofh;
453	const char * toname;
454	unsigned int tolen;
455	};
456
457	struct nfs3_readdirargs {
458	struct nfs_fh * fh;
459	__u64 cookie;
460	__u32 verf[2];
461	int plus;
462	unsigned int count;
463	struct page ** pages;
464	};
465
466	struct nfs3_diropres {
467	struct nfs_fattr * dir_attr;
468	struct nfs_fh * fh;
469	struct nfs_fattr * fattr;
470	};
471
472	struct nfs3_accessres {
473	struct nfs_fattr * fattr;
474	__u32 access;
475	};
476
477	struct nfs3_readlinkargs {
478	struct nfs_fh * fh;
479	unsigned int pgbase;
480	unsigned int pglen;
481	struct page ** pages;
482	};
483
484	struct nfs3_renameres {
485	struct nfs_fattr * fromattr;
486	struct nfs_fattr * toattr;
487	};
488
489	struct nfs3_linkres {
490	struct nfs_fattr * dir_attr;
491	struct nfs_fattr * fattr;
492	};
493
494	struct nfs3_readdirres {
495	struct nfs_fattr * dir_attr;
496	__u32 * verf;
497	int plus;
498	};
499
b7fa0554 AG	500	struct nfs3_getaclres {
	501	struct nfs_fattr * fattr;
	502	int mask;
	503	unsigned int acl_access_count;
	504	unsigned int acl_default_count;
	505	struct posix_acl * acl_access;
	506	struct posix_acl * acl_default;
	507	};
	508
1da177e4 LT	509	#ifdef CONFIG_NFS_V4
	510
	511	typedef u64 clientid4;
	512
	513	struct nfs4_accessargs {
	514	const struct nfs_fh * fh;
	515	u32 access;
	516	};
	517
	518	struct nfs4_accessres {
	519	u32 supported;
	520	u32 access;
	521	};
	522
	523	struct nfs4_create_arg {
	524	u32 ftype;
	525	union {
	526	struct qstr * symlink; /* NF4LNK */
	527	struct {
	528	u32 specdata1;
	529	u32 specdata2;
	530	} device; /* NF4BLK, NF4CHR */
	531	} u;
	532	const struct qstr * name;
	533	const struct nfs_server * server;
	534	const struct iattr * attrs;
	535	const struct nfs_fh * dir_fh;
	536	const u32 * bitmask;
	537	};
	538
	539	struct nfs4_create_res {
	540	const struct nfs_server * server;
	541	struct nfs_fh * fh;
	542	struct nfs_fattr * fattr;
	543	struct nfs4_change_info dir_cinfo;
56ae19f3	544	struct nfs_fattr * dir_fattr;
1da177e4 LT	545	};
	546
	547	struct nfs4_fsinfo_arg {
	548	const struct nfs_fh * fh;
	549	const u32 * bitmask;
	550	};
	551
	552	struct nfs4_getattr_arg {
	553	const struct nfs_fh * fh;
	554	const u32 * bitmask;
	555	};
	556
	557	struct nfs4_getattr_res {
	558	const struct nfs_server * server;
	559	struct nfs_fattr * fattr;
	560	};
	561
	562	struct nfs4_link_arg {
	563	const struct nfs_fh * fh;
	564	const struct nfs_fh * dir_fh;
	565	const struct qstr * name;
91ba2eee TM	566	const u32 * bitmask;
	567	};
	568
	569	struct nfs4_link_res {
	570	const struct nfs_server * server;
	571	struct nfs_fattr * fattr;
	572	struct nfs4_change_info cinfo;
	573	struct nfs_fattr * dir_attr;
1da177e4 LT	574	};
1da177e4 LT	575
91ba2eee	576
1da177e4 LT	577	struct nfs4_lookup_arg {
	578	const struct nfs_fh * dir_fh;
	579	const struct qstr * name;
	580	const u32 * bitmask;
	581	};
	582
	583	struct nfs4_lookup_res {
	584	const struct nfs_server * server;
	585	struct nfs_fattr * fattr;
	586	struct nfs_fh * fh;
	587	};
	588
	589	struct nfs4_lookup_root_arg {
	590	const u32 * bitmask;
	591	};
	592
	593	struct nfs4_pathconf_arg {
	594	const struct nfs_fh * fh;
	595	const u32 * bitmask;
	596	};
	597
	598	struct nfs4_readdir_arg {
	599	const struct nfs_fh * fh;
	600	u64 cookie;
	601	nfs4_verifier verifier;
	602	u32 count;
	603	struct page ** pages; /* zero-copy data */
	604	unsigned int pgbase; /* zero-copy data */
	605	const u32 * bitmask;
	606	};
	607
	608	struct nfs4_readdir_res {
	609	nfs4_verifier verifier;
	610	unsigned int pgbase;
	611	};
	612
	613	struct nfs4_readlink {
	614	const struct nfs_fh * fh;
	615	unsigned int pgbase;
	616	unsigned int pglen; /* zero-copy data */
	617	struct page ** pages; /* zero-copy data */
	618	};
	619
	620	struct nfs4_remove_arg {
	621	const struct nfs_fh * fh;
	622	const struct qstr * name;
16e42959 TM	623	const u32 * bitmask;
	624	};
	625
	626	struct nfs4_remove_res {
	627	const struct nfs_server * server;
	628	struct nfs4_change_info cinfo;
	629	struct nfs_fattr * dir_attr;
1da177e4 LT	630	};
	631
	632	struct nfs4_rename_arg {
	633	const struct nfs_fh * old_dir;
	634	const struct nfs_fh * new_dir;
	635	const struct qstr * old_name;
	636	const struct qstr * new_name;
6caf2c82	637	const u32 * bitmask;
1da177e4 LT	638	};
	639
	640	struct nfs4_rename_res {
6caf2c82	641	const struct nfs_server * server;
1da177e4	642	struct nfs4_change_info old_cinfo;
6caf2c82	643	struct nfs_fattr * old_fattr;
1da177e4	644	struct nfs4_change_info new_cinfo;
6caf2c82	645	struct nfs_fattr * new_fattr;
1da177e4 LT	646	};
	647
	648	struct nfs4_setclientid {
	649	const nfs4_verifier * sc_verifier; /* request */
	650	unsigned int sc_name_len;
	651	char sc_name[32]; /* request */
	652	u32 sc_prog; /* request */
	653	unsigned int sc_netid_len;
	654	char sc_netid[4]; /* request */
	655	unsigned int sc_uaddr_len;
	656	char sc_uaddr[24]; /* request */
	657	u32 sc_cb_ident; /* request */
	658	};
	659
	660	struct nfs4_statfs_arg {
	661	const struct nfs_fh * fh;
	662	const u32 * bitmask;
	663	};
	664
	665	struct nfs4_server_caps_res {
	666	u32 attr_bitmask[2];
	667	u32 acl_bitmask;
	668	u32 has_links;
	669	u32 has_symlinks;
	670	};
	671
	672	#endif /* CONFIG_NFS_V4 */
	673
	674	struct nfs_page;
	675
40859d7e CL	676	#define NFS_PAGEVEC_SIZE (8U)
40859d7e CL	677
1da177e4 LT	678	struct nfs_read_data {
	679	int flags;
	680	struct rpc_task task;
	681	struct inode *inode;
	682	struct rpc_cred *cred;
	683	struct nfs_fattr fattr; /* fattr storage */
	684	struct list_head pages; /* Coalesced read requests */
	685	struct nfs_page req; / multi ops per nfs_page */
40859d7e	686	struct page **pagevec;
1da177e4 LT	687	struct nfs_readargs args;
	688	struct nfs_readres res;
	689	#ifdef CONFIG_NFS_V4
	690	unsigned long timestamp; /* For lease renewal */
	691	#endif
	692	void (complete) (struct nfs_read_data , int);
40859d7e	693	struct page *page_array[NFS_PAGEVEC_SIZE + 1];
1da177e4 LT	694	};
	695
	696	struct nfs_write_data {
	697	int flags;
	698	struct rpc_task task;
	699	struct inode *inode;
	700	struct rpc_cred *cred;
	701	struct nfs_fattr fattr;
	702	struct nfs_writeverf verf;
	703	struct list_head pages; /* Coalesced requests we wish to flush */
	704	struct nfs_page req; / multi ops per nfs_page */
40859d7e	705	struct page **pagevec;
1da177e4 LT	706	struct nfs_writeargs args; /* argument struct */
	707	struct nfs_writeres res; /* result struct */
	708	#ifdef CONFIG_NFS_V4
	709	unsigned long timestamp; /* For lease renewal */
	710	#endif
	711	void (complete) (struct nfs_write_data , int);
40859d7e	712	struct page *page_array[NFS_PAGEVEC_SIZE + 1];
1da177e4 LT	713	};
	714
	715	struct nfs_access_entry;
	716
	717	/*
	718	* RPC procedure vector for NFSv2/NFSv3 demuxing
	719	*/
	720	struct nfs_rpc_ops {
	721	int version; /* Protocol version */
	722	struct dentry_operations *dentry_ops;
	723	struct inode_operations *dir_inode_ops;
92cfc62c	724	struct inode_operations *file_inode_ops;
1da177e4 LT	725
	726	int (getroot) (struct nfs_server , struct nfs_fh *,
	727	struct nfs_fsinfo *);
	728	int (getattr) (struct nfs_server , struct nfs_fh *,
	729	struct nfs_fattr *);
	730	int (setattr) (struct dentry , struct nfs_fattr *,
	731	struct iattr *);
	732	int (lookup) (struct inode , struct qstr *,
	733	struct nfs_fh , struct nfs_fattr );
	734	int (access) (struct inode , struct nfs_access_entry *);
	735	int (readlink)(struct inode , struct page *, unsigned int,
	736	unsigned int);
	737	int (read) (struct nfs_read_data );
	738	int (write) (struct nfs_write_data );
	739	int (commit) (struct nfs_write_data );
	740	int (create) (struct inode , struct dentry *,
02a913a7	741	struct iattr , int, struct nameidata );
1da177e4 LT	742	int (remove) (struct inode , struct qstr *);
	743	int (unlink_setup) (struct rpc_message ,
	744	struct dentry , struct qstr );
	745	int (unlink_done) (struct dentry , struct rpc_task *);
	746	int (rename) (struct inode , struct qstr *,
	747	struct inode , struct qstr );
	748	int (link) (struct inode , struct inode , struct qstr );
	749	int (symlink) (struct inode , struct qstr , struct qstr ,
	750	struct iattr , struct nfs_fh ,
	751	struct nfs_fattr *);
	752	int (mkdir) (struct inode , struct dentry , struct iattr );
	753	int (rmdir) (struct inode , struct qstr *);
	754	int (readdir) (struct dentry , struct rpc_cred *,
	755	u64, struct page *, unsigned int, int);
	756	int (mknod) (struct inode , struct dentry , struct iattr ,
	757	dev_t);
	758	int (statfs) (struct nfs_server , struct nfs_fh *,
	759	struct nfs_fsstat *);
	760	int (fsinfo) (struct nfs_server , struct nfs_fh *,
	761	struct nfs_fsinfo *);
	762	int (pathconf) (struct nfs_server , struct nfs_fh *,
	763	struct nfs_pathconf *);
	764	u32 * (decode_dirent)(u32 , struct nfs_entry *, int plus);
	765	void (read_setup) (struct nfs_read_data );
	766	void (write_setup) (struct nfs_write_data , int how);
	767	void (commit_setup) (struct nfs_write_data , int how);
	768	int (file_open) (struct inode , struct file *);
	769	int (file_release) (struct inode , struct file *);
	770	int (lock)(struct file , int, struct file_lock *);
ada70d94	771	void (clear_acl_cache)(struct inode );
1da177e4 LT	772	};
	773
	774	/*
	775	* NFS_CALL(getattr, inode, (fattr));
	776	* into
	777	* NFS_PROTO(inode)->getattr(fattr);
	778	*/
	779	#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
	780
	781	/*
	782	* Function vectors etc. for the NFS client
	783	*/
	784	extern struct nfs_rpc_ops nfs_v2_clientops;
	785	extern struct nfs_rpc_ops nfs_v3_clientops;
	786	extern struct nfs_rpc_ops nfs_v4_clientops;
	787	extern struct rpc_version nfs_version2;
	788	extern struct rpc_version nfs_version3;
	789	extern struct rpc_version nfs_version4;
	790
b7fa0554 AG	791	extern struct rpc_version nfsacl_version3;
	792	extern struct rpc_program nfsacl_program;
	793
1da177e4	794	#endif