summaryrefslogtreecommitdiff
path: root/drivers/block/xen-blkback
diff options
context:
space:
mode:
authorBob Liu <bob.liu@oracle.com>2015-07-22 14:40:10 +0800
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2015-07-24 09:09:49 -0400
commit53bc7dc004fecf39e0ba70f2f8d120a1444315d3 (patch)
treeb942ee542b05325f08b47647b4a55c956205e7cb /drivers/block/xen-blkback
parent7b0767502b5db11cb1f0daef2d01f6d71b1192dc (diff)
xen-blkback: replace work_pending with work_busy in purge_persistent_gnt()
The BUG_ON() in purge_persistent_gnt() will be triggered when previous purge work haven't finished. There is a work_pending() before this BUG_ON, but it doesn't account if the work is still currently running. CC: stable@vger.kernel.org Acked-by: Roger Pau Monné <roger.pau@citrix.com> Signed-off-by: Bob Liu <bob.liu@oracle.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/block/xen-blkback')
-rw-r--r--drivers/block/xen-blkback/blkback.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 9121a2c3e26f..73c04040c8c8 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -382,8 +382,8 @@ static void purge_persistent_gnt(struct xen_blkif *blkif)
return;
}
- if (work_pending(&blkif->persistent_purge_work)) {
- pr_alert_ratelimited("Scheduled work from previous purge is still pending, cannot purge list\n");
+ if (work_busy(&blkif->persistent_purge_work)) {
+ pr_alert_ratelimited("Scheduled work from previous purge is still busy, cannot purge list\n");
return;
}