---

yaml --- r: 311657 b: refs/heads/master c: 597a60f h: refs/heads/master i: 311655: 288790b v: v3
git-mirror · Jul 2, 2012 · ea28e65 · ea28e65
1 parent 2b78ced
commit ea28e65
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Showing 2 changed files with 13 additions and 11 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d42244a0d36ad0939c5f173ebf15841a0678899c
+refs/heads/master: 597a60fadedf9a40fdff8735054bf772b3dafd57
diff --git a/trunk/fs/btrfs/volumes.c b/trunk/fs/btrfs/volumes.c
@@ -4061,16 +4061,18 @@ static void btrfs_end_bio(struct bio *bio, int err)
 
 			BUG_ON(stripe_index >= bbio->num_stripes);
 			dev = bbio->stripes[stripe_index].dev;
-			if (bio->bi_rw & WRITE)
-				btrfs_dev_stat_inc(dev,
-						   BTRFS_DEV_STAT_WRITE_ERRS);
-			else
-				btrfs_dev_stat_inc(dev,
-						   BTRFS_DEV_STAT_READ_ERRS);
-			if ((bio->bi_rw & WRITE_FLUSH) == WRITE_FLUSH)
-				btrfs_dev_stat_inc(dev,
-						   BTRFS_DEV_STAT_FLUSH_ERRS);
-			btrfs_dev_stat_print_on_error(dev);
+			if (dev->bdev) {
+				if (bio->bi_rw & WRITE)
+					btrfs_dev_stat_inc(dev,
+						BTRFS_DEV_STAT_WRITE_ERRS);
+				else
+					btrfs_dev_stat_inc(dev,
+						BTRFS_DEV_STAT_READ_ERRS);
+				if ((bio->bi_rw & WRITE_FLUSH) == WRITE_FLUSH)
+					btrfs_dev_stat_inc(dev,
+						BTRFS_DEV_STAT_FLUSH_ERRS);
+				btrfs_dev_stat_print_on_error(dev);
+			}
 		}
 	}