| From 0ca93de9b789e0eb05e103f0c04de72df13da73a Mon Sep 17 00:00:00 2001 |
| From: Jonathan E Brassow <jbrassow@redhat.com> |
| Date: Wed, 7 Mar 2012 19:09:48 +0000 |
| Subject: dm raid: fix flush support |
| |
| From: Jonathan E Brassow <jbrassow@redhat.com> |
| |
| 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 <jbrassow@redhat.com> |
| Acked-by: Mike Snitzer <snitzer@redhat.com> |
| Signed-off-by: Alasdair G Kergon <agk@redhat.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/md/dm-raid.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/drivers/md/dm-raid.c |
| +++ b/drivers/md/dm-raid.c |
| @@ -468,6 +468,7 @@ static int raid_ctr(struct dm_target *ti |
| INIT_WORK(&rs->md.event_work, do_table_event); |
| ti->split_io = rs->md.chunk_sectors; |
| ti->private = rs; |
| + ti->num_flush_requests = 1; |
| |
| mutex_lock(&rs->md.reconfig_mutex); |
| ret = md_run(&rs->md); |
