[PATCH] nfsd: Don't try to cache reply to nfsv2 readdir.

As readdir returns the reply in a separate page, the cache code cannot find
the reply (and it would probably be too big anyway) so flag readdir for NOCACHE
Signed-off-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/nfsd/nfsproc.c

@@ -540,7 +540,7 @@ static struct svc_procedure		nfsd_procedures2[18] = {
   PROC(symlink,	 symlinkargs,	void,		none,		RC_REPLSTAT, ST),
   PROC(mkdir,	 createargs,	diropres,	fhandle,	RC_REPLBUFF, ST+FH+AT),
   PROC(rmdir,	 diropargs,	void,		none,		RC_REPLSTAT, ST),
-  PROC(readdir,	 readdirargs,	readdirres,	none,		RC_REPLBUFF, 0),
+  PROC(readdir,	 readdirargs,	readdirres,	none,		RC_NOCACHE, 0),
   PROC(statfs,	 fhandle,	statfsres,	none,		RC_NOCACHE, ST+5),
 };