[PATCH] knfsd: nfsd: lockdep annotation fix
NeilBrown [Wed, 4 Oct 2006 09:15:43 +0000 (02:15 -0700)]
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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/nfsd/nfsproc.c

index 06cd0db..4e06810 100644 (file)
@@ -225,7 +225,7 @@ nfsd_proc_create(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
        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));