---

yaml --- r: 154244 b: refs/heads/master c: 2761e95 h: refs/heads/master v: v3
git-mirror · Jun 22, 2009 · 5c684d9 · 5c684d9
1 parent 703d722
commit 5c684d9
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 531fe96364f30879753d46c1f52ab839e12d2e5d
+refs/heads/master: 2761e95fe40ca0d01864310fa4d488d7c5e34e18
diff --git a/trunk/drivers/md/dm.c b/trunk/drivers/md/dm.c
@@ -536,9 +536,11 @@ static void dec_pending(struct dm_io *io, int error)
 			 * Target requested pushing back the I/O.
 			 */
 			spin_lock_irqsave(&md->deferred_lock, flags);
-			if (__noflush_suspending(md))
-				bio_list_add_head(&md->deferred, io->bio);
-			else
+			if (__noflush_suspending(md)) {
+				if (!bio_barrier(io->bio))
+					bio_list_add_head(&md->deferred,
+							  io->bio);
+			} else
 				/* noflush suspend was interrupted. */
 				io->error = -EIO;
 			spin_unlock_irqrestore(&md->deferred_lock, flags);
@@ -1458,6 +1460,11 @@ static void process_barrier(struct mapped_device *md, struct bio *bio)
 
 	if (md->barrier_error != DM_ENDIO_REQUEUE)
 		bio_endio(bio, md->barrier_error);
+	else {
+		spin_lock_irq(&md->deferred_lock);
+		bio_list_add_head(&md->deferred, bio);
+		spin_unlock_irq(&md->deferred_lock);
+	}
 }
 
 /*