patch-2.2.18 linux/include/linux/nfs.h

• Lines: 292
• Date: Fri Sep 15 22:10:44 2000
• Orig file: v2.2.17/include/linux/nfs.h
• Orig date: Fri Apr 21 23:10:16 2000

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/include/linux/nfs.h linux/include/linux/nfs.h
@@ -1,54 +1,60 @@
 /*
  * NFS protocol definitions
+ *
+ * This file contains constants mostly for Version 2 of the protocol,
+ * but also has a couple of NFSv3 bits in (notably the error codes).
  */
 #ifndef _LINUX_NFS_H
 #define _LINUX_NFS_H
 
 #include <linux/sunrpc/msg_prot.h>
 
-#define NFS_PORT	2049
-#define NFS_MAXDATA	8192
-#define NFS_MAXPATHLEN	1024
-#define NFS_MAXNAMLEN	255
-#define NFS_MAXGROUPS	16
-#define NFS_FHSIZE	32
-#define NFS_COOKIESIZE	4
-#define NFS_FIFO_DEV	(-1)
-#define NFSMODE_FMT	0170000
-#define NFSMODE_DIR	0040000
-#define NFSMODE_CHR	0020000
-#define NFSMODE_BLK	0060000
-#define NFSMODE_REG	0100000
-#define NFSMODE_LNK	0120000
-#define NFSMODE_SOCK	0140000
-#define NFSMODE_FIFO	0010000
+#define NFS_PROGRAM		100003
 
-	
+/*
+ * NFS stats. The good thing with these values is that NFSv3 errors are
+ * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
+ * no-one uses anyway), so we can happily mix code as long as we make sure
+ * no NFSv3 errors are returned to NFSv2 clients.
+ * Error codes that have a `--' in the v2 column are not part of the
+ * standard, but seem to be widely used nevertheless.
+ */
 enum nfs_stat {
-	NFS_OK = 0,
-	NFSERR_PERM = 1,
-	NFSERR_NOENT = 2,
-	NFSERR_IO = 5,
-	NFSERR_NXIO = 6,
-	NFSERR_EAGAIN = 11,
-	NFSERR_ACCES = 13,
-	NFSERR_EXIST = 17,
-	NFSERR_XDEV = 18,
-	NFSERR_NODEV = 19,
-	NFSERR_NOTDIR = 20,
-	NFSERR_ISDIR = 21,
-	NFSERR_INVAL = 22,	/* that Sun forgot */
-	NFSERR_FBIG = 27,
-	NFSERR_NOSPC = 28,
-	NFSERR_ROFS = 30,
-	NFSERR_OPNOTSUPP = 45,
-	NFSERR_NAMETOOLONG = 63,
-	NFSERR_NOTEMPTY = 66,
-	NFSERR_DQUOT = 69,
-	NFSERR_STALE = 70,
-	NFSERR_WFLUSH = 99
+	NFS_OK = 0,			/* v2 v3 */
+	NFSERR_PERM = 1,		/* v2 v3 */
+	NFSERR_NOENT = 2,		/* v2 v3 */
+	NFSERR_IO = 5,			/* v2 v3 */
+	NFSERR_NXIO = 6,		/* v2 v3 */
+	NFSERR_EAGAIN = 11,		/* v2 v3 */
+	NFSERR_ACCES = 13,		/* v2 v3 */
+	NFSERR_EXIST = 17,		/* v2 v3 */
+	NFSERR_XDEV = 18,		/*    v3 */
+	NFSERR_NODEV = 19,		/* v2 v3 */
+	NFSERR_NOTDIR = 20,		/* v2 v3 */
+	NFSERR_ISDIR = 21,		/* v2 v3 */
+	NFSERR_INVAL = 22,		/* v2 v3 that Sun forgot */
+	NFSERR_FBIG = 27,		/* v2 v3 */
+	NFSERR_NOSPC = 28,		/* v2 v3 */
+	NFSERR_ROFS = 30,		/* v2 v3 */
+	NFSERR_MLINK = 31,		/*    v3 */
+	NFSERR_OPNOTSUPP = 45,		/* v2 v3 */
+	NFSERR_NAMETOOLONG = 63,	/* v2 v3 */
+	NFSERR_NOTEMPTY = 66,		/* v2 v3 */
+	NFSERR_DQUOT = 69,		/* v2 v3 */
+	NFSERR_STALE = 70,		/* v2 v3 */
+	NFSERR_REMOTE = 71,		/* v2 v3 */
+	NFSERR_WFLUSH = 99,		/* v2    */
+	NFSERR_BADHANDLE = 10001,	/*    v3 */
+	NFSERR_NOT_SYNC = 10002,	/*    v3 */
+	NFSERR_BAD_COOKIE = 10003,	/*    v3 */
+	NFSERR_NOTSUPP = 10004,		/*    v3 */
+	NFSERR_TOOSMALL = 10005,	/*    v3 */
+	NFSERR_SERVERFAULT = 10006,	/*    v3 */
+	NFSERR_BADTYPE = 10007,		/*    v3 */
+	NFSERR_JUKEBOX = 10008		/*    v3 */
 };
 
+/* NFSv2 file types - beware, these are not the same in NFSv3 */
 enum nfs_ftype {
 	NFNON = 0,
 	NFREG = 1,
@@ -61,166 +67,42 @@
 	NFFIFO = 8
 };
 
-struct nfs_fh {
-	char			data[NFS_FHSIZE];
-};
-
-#define NFS_PROGRAM		100003
-#define NFS_VERSION		2
-#define NFSPROC_NULL		0
-#define NFSPROC_GETATTR		1
-#define NFSPROC_SETATTR		2
-#define NFSPROC_ROOT		3
-#define NFSPROC_LOOKUP		4
-#define NFSPROC_READLINK	5
-#define NFSPROC_READ		6
-#define NFSPROC_WRITECACHE	7
-#define NFSPROC_WRITE		8
-#define NFSPROC_CREATE		9
-#define NFSPROC_REMOVE		10
-#define NFSPROC_RENAME		11
-#define NFSPROC_LINK		12
-#define NFSPROC_SYMLINK		13
-#define NFSPROC_MKDIR		14
-#define NFSPROC_RMDIR		15
-#define NFSPROC_READDIR		16
-#define NFSPROC_STATFS		17
 
-/* Mount support for NFSroot */
-#ifdef __KERNEL__
+#if defined(__KERNEL__) || defined(NFS_NEED_KERNEL_TYPES)
+/* 
+ * Mount support for NFSroot
+ */
 #define NFS_MNT_PROGRAM		100005
 #define NFS_MNT_VERSION		1
 #define NFS_MNT_PORT		627
 #define NFS_MNTPROC_MNT		1
 #define NFS_MNTPROC_UMNT	3
-#endif
-
-#if defined(__KERNEL__) || defined(NFS_NEED_KERNEL_TYPES)
-
-extern struct rpc_program	nfs_program;
-extern struct rpc_stat		nfs_rpcstat;
 
-struct nfs_time {
-	__u32			seconds;
-	__u32			useconds;
-};
-
-struct nfs_fattr {
-	enum nfs_ftype		type;
-	__u32			mode;
-	__u32			nlink;
-	__u32			uid;
-	__u32			gid;
-	__u32			size;
-	__u32			blocksize;
-	__u32			rdev;
-	__u32			blocks;
-	__u32			fsid;
-	__u32			fileid;
-	struct nfs_time		atime;
-	struct nfs_time		mtime;
-	struct nfs_time		ctime;
-};
-
-struct nfs_sattr {
-	__u32			mode;
-	__u32			uid;
-	__u32			gid;
-	__u32			size;
-	struct nfs_time		atime;
-	struct nfs_time		mtime;
-};
-
-struct nfs_fsinfo {
-	__u32			tsize;
-	__u32			bsize;
-	__u32			blocks;
-	__u32			bfree;
-	__u32			bavail;
-};
-
-struct nfs_writeargs {
-	struct nfs_fh *		fh;
-	__u32			offset;
-	__u32			count;
-	const void *		buffer;
-};
-
-#ifdef NFS_NEED_XDR_TYPES
-
-struct nfs_sattrargs {
-	struct nfs_fh *		fh;
-	struct nfs_sattr *	sattr;
-};
-
-struct nfs_diropargs {
-	struct nfs_fh *		fh;
-	const char *		name;
-};
-
-struct nfs_readargs {
-	struct nfs_fh *		fh;
-	__u32			offset;
-	__u32			count;
-	void *			buffer;
-};
-
-struct nfs_createargs {
-	struct nfs_fh *		fh;
-	const char *		name;
-	struct nfs_sattr *	sattr;
-};
-
-struct nfs_renameargs {
-	struct nfs_fh *		fromfh;
-	const char *		fromname;
-	struct nfs_fh *		tofh;
-	const char *		toname;
-};
-
-struct nfs_linkargs {
-	struct nfs_fh *		fromfh;
-	struct nfs_fh *		tofh;
-	const char *		toname;
-};
-
-struct nfs_symlinkargs {
-	struct nfs_fh *		fromfh;
-	const char *		fromname;
-	const char *		topath;
-	struct nfs_sattr *	sattr;
-};
-
-struct nfs_readdirargs {
-	struct nfs_fh *		fh;
-	__u32			cookie;
-	void *			buffer;
-	unsigned int		bufsiz;
-};
-
-struct nfs_diropok {
-	struct nfs_fh *		fh;
-	struct nfs_fattr *	fattr;
-};
+/*
+ * This is really a general kernel constant, but since nothing like
+ * this is defined in the kernel headers, I have to do it here.
+ */
+#define NFS_OFFSET_MAX		LONG_MAX
 
-struct nfs_readres {
-	struct nfs_fattr *	fattr;
-	unsigned int		count;
-};
+/*
+ * These data types are used exlusively by the NFS client implementation.
+ * They support both NFSv2 and NFSv3.
+ */
 
-struct nfs_readlinkres {
-	char **			string;
-	unsigned int *		lenp;
-	unsigned int		maxlen;
-	void *			buffer;
+/*
+ * This is the kernel NFS client file handle representation
+ */
+#define NFS_MAXFHSIZE		64
+struct nfs_fh {
+	unsigned short		size;
+	unsigned char		data[NFS_MAXFHSIZE];
 };
 
-struct nfs_readdirres {
-	void *			buffer;
-	unsigned int		bufsiz;
+enum nfs3_stable_how {
+	NFS_UNSTABLE = 0,
+	NFS_DATA_SYNC = 1,
+	NFS_FILE_SYNC = 2
 };
 
-#endif /* NFS_NEED_XDR_TYPES */
 #endif /* __KERNEL__ */
-
-#endif
+#endif /* _LINUX_NFS_H */