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NFSv4.1: Deal with seqid wraparound in the pNFS return-on-close code

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-10-04 16:28:17 -07:00
parent 5f65753033
commit 0f35ad6f68
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/pnfs.c
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@ -801,7 +801,7 @@ void pnfs_roc_set_barrier(struct inode *ino, u32 barrier)
spin_lock(&ino->i_lock);
lo = NFS_I(ino)->layout;
if ((int)(barrier - lo->plh_barrier) > 0)
if (pnfs_seqid_is_newer(barrier, lo->plh_barrier))
lo->plh_barrier = barrier;
spin_unlock(&ino->i_lock);
}