---

yaml --- r: 142892 b: refs/heads/master c: 54d9a1b h: refs/heads/master v: v3
git-mirror · Apr 8, 2009 · 07263b4 · 07263b4
1 parent f21766c
commit 07263b4
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Showing 2 changed files with 8 additions and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1eb787ec183d1267cac95aae632e92dee05ed50a
+refs/heads/master: 54d9a1b4513b96cbd835ca6866c6a604d194b2ae
diff --git a/trunk/drivers/md/dm.c b/trunk/drivers/md/dm.c
@@ -929,7 +929,6 @@ static int dm_merge_bvec(struct request_queue *q,
  */
 static int dm_request(struct request_queue *q, struct bio *bio)
 {
-	int r = -EIO;
 	int rw = bio_data_dir(bio);
 	struct mapped_device *md = q->queuedata;
 	int cpu;
@@ -957,11 +956,14 @@ static int dm_request(struct request_queue *q, struct bio *bio)
 	while (test_bit(DMF_QUEUE_IO_TO_THREAD, &md->flags)) {
 		up_read(&md->io_lock);
 
-		if (bio_rw(bio) != READA)
-			r = queue_io(md, bio);
+		if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) &&
+		    bio_rw(bio) == READA) {
+			bio_io_error(bio);
+			return 0;
+		}
 
-		if (r <= 0)
-			goto out_req;
+		if (!queue_io(md, bio))
+			return 0;
 
 		/*
 		 * We're in a while loop, because someone could suspend
@@ -973,12 +975,6 @@ static int dm_request(struct request_queue *q, struct bio *bio)
 	__split_and_process_bio(md, bio);
 	up_read(&md->io_lock);
 	return 0;
-
-out_req:
-	if (r < 0)
-		bio_io_error(bio);
-
-	return 0;
 }
 
 static void dm_unplug_all(struct request_queue *q)