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[1/4] NFSv4.1: Deal with seqid wraparound in the pNFS return-on-close code

Message ID 1349718630-26008-1-git-send-email-Trond.Myklebust@netapp.com (mailing list archive)
State New, archived
Headers show

Commit Message

Trond Myklebust Oct. 8, 2012, 5:50 p.m. UTC 
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/pnfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index de82725..42613bd 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);
 }