From 8092731b611778e6151662f3cc35d02101bd0ab8 Mon Sep 17 00:00:00 2001 From: Jonathan E Brassow Date: Wed, 7 Mar 2012 19:09:48 +0000 Subject: [PATCH 91/95] 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 4834d43..d2a3223 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); -- 1.7.9.4