[PATCH] device-mapper multipath: Flush workqueue when destroying
The multipath destructor must flush its workqueue. Otherwise items that
reference the destroyed object could remain.
From: "goggin, edward" <egoggin@emc.com>
Signed-off-by: Lars Marowsky-Bree <lmb@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 84cdb70..fa72f01 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -752,6 +752,8 @@
static void multipath_dtr(struct dm_target *ti)
{
struct multipath *m = (struct multipath *) ti->private;
+
+ flush_workqueue(kmultipathd);
free_multipath(m);
}