---

yaml --- r: 312107 b: refs/heads/master c: 650d2a0 h: refs/heads/master i: 312105: 0969ca6 312103: de249c9 v: v3
git-mirror · Jul 20, 2012 · 5fe38a5 · 5fe38a5
1 parent 76469ef
commit 5fe38a5
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 751f188dd5ab95b3f2b5f2f467c38aae5a2877eb
+refs/heads/master: 650d2a06b4fe1cc1d218c20e256650f68bf0ca31
diff --git a/trunk/drivers/md/dm-thin.c b/trunk/drivers/md/dm-thin.c
@@ -1245,7 +1245,10 @@ static void process_discard(struct thin_c *tc, struct bio *bio)
 
 			cell_release_singleton(cell, bio);
 			cell_release_singleton(cell2, bio);
-			remap_and_issue(tc, bio, lookup_result.block);
+			if ((!lookup_result.shared) && pool->pf.discard_passdown)
+				remap_and_issue(tc, bio, lookup_result.block);
+			else
+				bio_endio(bio, 0);
 		}
 		break;
 
@@ -2628,6 +2631,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)
 	if (tc->pool->pf.discard_enabled) {
 		ti->discards_supported = 1;
 		ti->num_discard_requests = 1;
+		ti->discard_zeroes_data_unsupported = 1;
 	}
 
 	dm_put(pool_md);