diff --git a/[refs] b/[refs]
index 4f20e95f8dac..9a7b117cbf6c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2b6e845986347ef86729e8651908af3e8a8441f5
+refs/heads/master: 01ab5662f573fe3a6bcefa200f15ab3069cec8a3
diff --git a/trunk/drivers/md/md.c b/trunk/drivers/md/md.c
index c40ce9f9cc9b..50ab4a936e30 100644
--- a/trunk/drivers/md/md.c
+++ b/trunk/drivers/md/md.c
@@ -4045,11 +4045,8 @@ static int update_size(mddev_t *mddev, unsigned long size)
 		return -EBUSY;
 	ITERATE_RDEV(mddev,rdev,tmp) {
 		sector_t avail;
-		if (rdev->sb_offset > rdev->data_offset)
-			avail = (rdev->sb_offset*2) - rdev->data_offset;
-		else
-			avail = get_capacity(rdev->bdev->bd_disk)
-				- rdev->data_offset;
+		avail = rdev->size * 2;
+
 		if (fit && (size == 0 || size > avail/2))
 			size = avail/2;
 		if (avail < ((sector_t)size << 1))