Commit 0ca93de9 authored Mar 07, 2012 by Jonathan E Brassow Committed by Alasdair G Kergon Mar 07, 2012

dm raid: fix flush support



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 <jbrassow@redhat.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

parent 3aa3b2b2

drivers/md/dm-raid.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -975,6 +975,7 @@ 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);