From 042bcef889f4319d366c67fb694f1f2498fcb68e Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Fri, 10 May 2013 14:37:16 +0100 Subject: [PATCH] dm mpath: enable WRITE SAME support Enable WRITE SAME support in dm multipath. As far as multipath is concerned it is just another write request. Signed-off-by: Mike Snitzer Tested-by: Bharata B Rao Signed-off-by: Alasdair G Kergon --- drivers/md/dm-mpath.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 51bb816..bdf26f5 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -907,6 +907,7 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc, ti->num_flush_bios = 1; ti->num_discard_bios = 1; + ti->num_write_same_bios = 1; return 0; -- 2.7.4