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

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index de827251bdac..42613bd19f8e 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -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);
 }