[PATCH] device-mapper multipath: Flush workqueue when destroying
Alasdair G Kergon [Tue, 12 Jul 2005 22:53:02 +0000 (15:53 -0700)]
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>

drivers/md/dm-mpath.c

index 84cdb70..fa72f01 100644 (file)
@@ -752,6 +752,8 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
 static void multipath_dtr(struct dm_target *ti)
 {
        struct multipath *m = (struct multipath *) ti->private;
+
+       flush_workqueue(kmultipathd);
        free_multipath(m);
 }