From: NeilBrown <neilb@suse.de>

nfsv2 needs the I_MUTEX_PARENT on the directory when creating a file too.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/nfsd/nfsproc.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -puN fs/nfsd/nfsproc.c~knfsd-nfsd-lockdep-annotation-fix fs/nfsd/nfsproc.c
--- a/fs/nfsd/nfsproc.c~knfsd-nfsd-lockdep-annotation-fix
+++ a/fs/nfsd/nfsproc.c
@@ -225,7 +225,7 @@ nfsd_proc_create(struct svc_rqst *rqstp,
 	nfserr = nfserr_exist;
 	if (isdotent(argp->name, argp->len))
 		goto done;
-	fh_lock(dirfhp);
+	fh_lock_nested(dirfhp, I_MUTEX_PARENT);
 	dchild = lookup_one_len(argp->name, dirfhp->fh_dentry, argp->len);
 	if (IS_ERR(dchild)) {
 		nfserr = nfserrno(PTR_ERR(dchild));
_