linux-kernel - [PATCH 001 of 11] knfsd: nfsd: lockdep annotation fix

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Date:	Thu, 24 Aug 2006 16:36:34 +1000
From:	NeilBrown <neilb@...e.de>
To:	Andrew Morton <akpm@...l.org>
Cc:	nfs@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: [PATCH 001 of 11] knfsd: nfsd: lockdep annotation fix


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

Signed-off-by: Neil Brown <neilb@...e.de>

### Diffstat output
 ./fs/nfsd/nfsproc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff .prev/fs/nfsd/nfsproc.c ./fs/nfsd/nfsproc.c
--- .prev/fs/nfsd/nfsproc.c	2006-08-24 16:21:23.000000000 +1000
+++ ./fs/nfsd/nfsproc.c	2006-08-24 16:21:35.000000000 +1000
@@ -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));
-
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