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pnfs: Increase the refcount when LAYOUTGET fails the first time

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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);
}