From: Alasdair G Kergon <agk@redhat.com>
Date: Wed, 28 Mar 2012 17:41:28 +0000 (+0100)
Subject: dm thin: use dm_target_offset
X-Git-Tag: MMI-PSA29.97-13-9~17150^2~5
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6efd6e83092cd4a7532270bc843de90bb93f6683;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

dm thin: use dm_target_offset

Use dm_target_offset wrapper instead of referencing the awkward ti->begin
explicitly.

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

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 2d9e75586d60..7ca2bf2aafaa 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2389,7 +2389,7 @@ out_unlock:
 static int thin_map(struct dm_target *ti, struct bio *bio,
 		    union map_info *map_context)
 {
-	bio->bi_sector -= ti->begin;
+	bio->bi_sector = dm_target_offset(ti, bio->bi_sector);
 
 	return thin_bio_map(ti, bio, map_context);
 }