From b6f0ec2f968e41af8c44fced27fc345ddb1b8bea Mon Sep 17 00:00:00 2001 From: Jonathan E Brassow Date: Wed, 7 Mar 2012 19:09:48 +0000 Subject: dm raid: fix flush support commit 0ca93de9b789e0eb05e103f0c04de72df13da73a upstream. Fix dm-raid flush support. Both md and dm have support for flush, but the dm-raid target forgot to set the flag to indicate that flushes should be passed on. (Important for data integrity e.g. with writeback cache enabled.) Signed-off-by: Jonathan Brassow Acked-by: Mike Snitzer Signed-off-by: Alasdair G Kergon Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-raid.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 4834d4325215..d2a32231c14f 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -974,6 +974,7 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv) INIT_WORK(&rs->md.event_work, do_table_event); ti->private = rs; + ti->num_flush_requests = 1; mutex_lock(&rs->md.reconfig_mutex); ret = md_run(&rs->md); -- cgit v1.2.3