NFS: Replace old NFSv3 encoder functions with xdr_stream-based ones

The naming scheme of the new encoder functions, which follows the
NFSv4 XDR encoder functions, is slightly different than the scheme
used for the old functions.  Rename the functions as a separate
step to keep the patches clean.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/nfs3xdr.c

@@ -46,10 +46,11 @@
 #define NFS3_fsinfo_sz		
 #define NFS3_pathconf_sz		
 #define NFS3_entry_sz		(NFS3_filename_sz+3)
-
-#define NFS3_sattrargs_sz	(NFS3_fh_sz+NFS3_sattr_sz+3)
 #define NFS3_diropargs_sz	(NFS3_fh_sz+NFS3_filename_sz)
-#define NFS3_removeargs_sz	(NFS3_fh_sz+NFS3_filename_sz)
+
+#define NFS3_getattrargs_sz	(NFS3_fh_sz)
+#define NFS3_setattrargs_sz	(NFS3_fh_sz+NFS3_sattr_sz+3)
+#define NFS3_lookupargs_sz	(NFS3_fh_sz+NFS3_filename_sz)
 #define NFS3_accessargs_sz	(NFS3_fh_sz+1)
 #define NFS3_readlinkargs_sz	(NFS3_fh_sz)
 #define NFS3_readargs_sz	(NFS3_fh_sz+3)
@@ -58,6 +59,7 @@
 #define NFS3_mkdirargs_sz	(NFS3_diropargs_sz+NFS3_sattr_sz)
 #define NFS3_symlinkargs_sz	(NFS3_diropargs_sz+1+NFS3_sattr_sz)
 #define NFS3_mknodargs_sz	(NFS3_diropargs_sz+2+NFS3_sattr_sz)
+#define NFS3_removeargs_sz	(NFS3_fh_sz+NFS3_filename_sz)
 #define NFS3_renameargs_sz	(NFS3_diropargs_sz+NFS3_diropargs_sz)
 #define NFS3_linkargs_sz		(NFS3_fh_sz+NFS3_diropargs_sz)
 #define NFS3_readdirargs_sz	(NFS3_fh_sz+NFS3_cookieverf_sz+3)
@@ -1969,37 +1971,37 @@ nfs3_xdr_setaclres(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
 #define PROC(proc, argtype, restype, timer)				\
 [NFS3PROC_##proc] = {							\
 	.p_proc      = NFS3PROC_##proc,					\
-	.p_encode    = (kxdrproc_t) nfs3_xdr_##argtype,			\
+	.p_encode    = (kxdrproc_t)nfs3_xdr_enc_##argtype##3args,	\
 	.p_decode    = (kxdrproc_t) nfs3_xdr_##restype,			\
-	.p_arglen    = NFS3_##argtype##_sz,				\
+	.p_arglen    = NFS3_##argtype##args_sz,				\
 	.p_replen    = NFS3_##restype##_sz,				\
 	.p_timer     = timer,						\
 	.p_statidx   = NFS3PROC_##proc,					\
 	.p_name      = #proc,						\
 	}
 
 struct rpc_procinfo	nfs3_procedures[] = {
-  PROC(GETATTR,		fhandle,	attrstat, 1),
-  PROC(SETATTR, 	sattrargs,	wccstat, 0),
-  PROC(LOOKUP,		diropargs,	lookupres, 2),
-  PROC(ACCESS,		accessargs,	accessres, 1),
-  PROC(READLINK,	readlinkargs,	readlinkres, 3),
-  PROC(READ,		readargs,	readres, 3),
-  PROC(WRITE,		writeargs,	writeres, 4),
-  PROC(CREATE,		createargs,	createres, 0),
-  PROC(MKDIR,		mkdirargs,	createres, 0),
-  PROC(SYMLINK,		symlinkargs,	createres, 0),
-  PROC(MKNOD,		mknodargs,	createres, 0),
-  PROC(REMOVE,		removeargs,	removeres, 0),
-  PROC(RMDIR,		diropargs,	wccstat, 0),
-  PROC(RENAME,		renameargs,	renameres, 0),
-  PROC(LINK,		linkargs,	linkres, 0),
-  PROC(READDIR,		readdirargs,	readdirres, 3),
-  PROC(READDIRPLUS,	readdirargs,	readdirres, 3),
-  PROC(FSSTAT,		fhandle,	fsstatres, 0),
-  PROC(FSINFO,  	fhandle,	fsinfores, 0),
-  PROC(PATHCONF,	fhandle,	pathconfres, 0),
-  PROC(COMMIT,		commitargs,	commitres, 5),
+	PROC(GETATTR,		getattr,	attrstat,	1),
+	PROC(SETATTR,		setattr,	wccstat,	0),
+	PROC(LOOKUP,		lookup,		lookupres,	2),
+	PROC(ACCESS,		access,		accessres,	1),
+	PROC(READLINK,		readlink,	readlinkres,	3),
+	PROC(READ,		read,		readres,	3),
+	PROC(WRITE,		write,		writeres,	4),
+	PROC(CREATE,		create,		createres,	0),
+	PROC(MKDIR,		mkdir,		createres,	0),
+	PROC(SYMLINK,		symlink,	createres,	0),
+	PROC(MKNOD,		mknod,		createres,	0),
+	PROC(REMOVE,		remove,		removeres,	0),
+	PROC(RMDIR,		lookup,		wccstat,	0),
+	PROC(RENAME,		rename,		renameres,	0),
+	PROC(LINK,		link,		linkres,	0),
+	PROC(READDIR,		readdir,	readdirres,	3),
+	PROC(READDIRPLUS,	readdirplus,	readdirres,	3),
+	PROC(FSSTAT,		getattr,	fsstatres,	0),
+	PROC(FSINFO,		getattr,	fsinfores,	0),
+	PROC(PATHCONF,		getattr,	pathconfres,	0),
+	PROC(COMMIT,		commit,		commitres,	5),
 };
 
 struct rpc_version		nfs_version3 = {
@@ -2012,7 +2014,7 @@ struct rpc_version		nfs_version3 = {
 static struct rpc_procinfo	nfs3_acl_procedures[] = {
 	[ACLPROC3_GETACL] = {
 		.p_proc = ACLPROC3_GETACL,
-		.p_encode = (kxdrproc_t) nfs3_xdr_getaclargs,
+		.p_encode = (kxdrproc_t)nfs3_xdr_enc_getacl3args,
 		.p_decode = (kxdrproc_t) nfs3_xdr_getaclres,
 		.p_arglen = ACL3_getaclargs_sz,
 		.p_replen = ACL3_getaclres_sz,
@@ -2021,7 +2023,7 @@ static struct rpc_procinfo	nfs3_acl_procedures[] = {
 	},
 	[ACLPROC3_SETACL] = {
 		.p_proc = ACLPROC3_SETACL,
-		.p_encode = (kxdrproc_t) nfs3_xdr_setaclargs,
+		.p_encode = (kxdrproc_t)nfs3_xdr_enc_setacl3args,
 		.p_decode = (kxdrproc_t) nfs3_xdr_setaclres,
 		.p_arglen = ACL3_setaclargs_sz,
 		.p_replen = ACL3_setaclres_sz,