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pnfs: Increase the refcount when LAYOUTGET fails the first time 

The layout will be set unusable if LAYOUTGET fails. Is it reasonable to
increase the refcount iff LAYOUTGET fails the first time?

Signed-off-by: Yanchuan Nian <ycnian@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org [>= 3.7]
This commit is contained in:
Yanchuan Nian 2013-01-04 20:19:49 +08:00 committed by Trond Myklebust
parent f8d9a897d4
commit 39e88fcfb1
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/pnfs.c
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@ -254,7 +254,7 @@ static void
pnfs_layout_set_fail_bit(struct pnfs_layout_hdr *lo, int fail_bit)
{
lo->plh_retry_timestamp = jiffies;
if (test_and_set_bit(fail_bit, &lo->plh_flags))
if (!test_and_set_bit(fail_bit, &lo->plh_flags))
atomic_inc(&lo->plh_refcount);
}