From: Mike Snitzer <snitzer@redhat.com>
Date: Thu, 12 Aug 2010 03:14:13 +0000 (+0100)
Subject: dm delay: support discard
X-Git-Tag: v2.6.36-rc1~51^2~6
X-Git-Url: http://git.cascardo.info/?a=commitdiff_plain;h=3fd5d48027181168ce85e8094b926aeb9f34c556;p=cascardo%2Flinux.git

dm delay: support discard

Enable discard support for the delay target.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---

diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index a91049e05219..baa11912cc94 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -198,6 +198,7 @@ out:
 	atomic_set(&dc->may_delay, 1);
 
 	ti->num_flush_requests = 1;
+	ti->num_discard_requests = 1;
 	ti->private = dc;
 	return 0;