---

yaml --- r: 154245 b: refs/heads/master c: 5aa2781 h: refs/heads/master i: 154243: 703d722 v: v3
git-mirror · Jun 22, 2009 · 39a2bbc · 39a2bbc
1 parent 5c684d9
commit 39a2bbc
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Showing 2 changed files with 10 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2761e95fe40ca0d01864310fa4d488d7c5e34e18
+refs/heads/master: 5aa2781d964e9835c441932110484bc454b5c207
diff --git a/trunk/drivers/md/dm.c b/trunk/drivers/md/dm.c
@@ -555,7 +555,8 @@ static void dec_pending(struct dm_io *io, int error)
 			 * a per-device variable for error reporting.
 			 * Note that you can't touch the bio after end_io_acct
 			 */
-			md->barrier_error = io_error;
+			if (!md->barrier_error)
+				md->barrier_error = io_error;
 			end_io_acct(io);
 		} else {
 			end_io_acct(io);
@@ -867,7 +868,8 @@ static void __split_and_process_bio(struct mapped_device *md, struct bio *bio)
 		if (!bio_barrier(bio))
 			bio_io_error(bio);
 		else
-			md->barrier_error = -EIO;
+			if (!md->barrier_error)
+				md->barrier_error = -EIO;
 		return;
 	}
 
@@ -1448,16 +1450,15 @@ static void dm_flush(struct mapped_device *md)
 
 static void process_barrier(struct mapped_device *md, struct bio *bio)
 {
+	md->barrier_error = 0;
+
 	dm_flush(md);
 
-	if (bio_empty_barrier(bio)) {
-		bio_endio(bio, 0);
-		return;
+	if (!bio_empty_barrier(bio)) {
+		__split_and_process_bio(md, bio);
+		dm_flush(md);
 	}
 
-	__split_and_process_bio(md, bio);
-	dm_flush(md);
-
 	if (md->barrier_error != DM_ENDIO_REQUEUE)
 		bio_endio(bio, md->barrier_error);
 	else {