---

yaml
---
r: 56911
b: refs/heads/master
c: a778b73
h: refs/heads/master
i:
  56909: 9e8a478
  56907: 51a43c4
  56903: d26369b
  56895: 2d6c5d6
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ab6085c795a71b6a21afe7469d30a365338add7a
+refs/heads/master: a778b73ff793d34c0082f76110f73a7754915067

trunk/drivers/md/linear.c

@@ -139,8 +139,6 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
 	if (!conf)
 		return NULL;
 
-	mddev->private = conf;
-
 	cnt = 0;
 	conf->array_size = 0;
 
@@ -232,7 +230,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
 	 * First calculate the device offsets.
 	 */
 	conf->disks[0].offset = 0;
-	for (i=1; i<mddev->raid_disks; i++)
+	for (i = 1; i < raid_disks; i++)
 		conf->disks[i].offset =
 			conf->disks[i-1].offset +
 			conf->disks[i-1].size;
@@ -244,7 +242,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
 	     curr_offset < conf->array_size;
 	     curr_offset += conf->hash_spacing) {
 
-		while (i < mddev->raid_disks-1 &&
+		while (i < raid_disks-1 &&
 		       curr_offset >= conf->disks[i+1].offset)
 			i++;
 
@@ -299,9 +297,11 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
 	 */
 	linear_conf_t *newconf;
 
-	if (rdev->raid_disk != mddev->raid_disks)
+	if (rdev->saved_raid_disk != mddev->raid_disks)
 		return -EINVAL;
 
+	rdev->raid_disk = rdev->saved_raid_disk;
+
 	newconf = linear_conf(mddev,mddev->raid_disks+1);
 
 	if (!newconf)

trunk/drivers/md/md.c

@@ -1298,8 +1298,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
 	ITERATE_RDEV(mddev,rdev2,tmp)
 		if (rdev2->desc_nr+1 > max_dev)
 			max_dev = rdev2->desc_nr+1;
-
-	sb->max_dev = cpu_to_le32(max_dev);
+
+	if (max_dev > le32_to_cpu(sb->max_dev))
+		sb->max_dev = cpu_to_le32(max_dev);
 	for (i=0; i<max_dev;i++)
 		sb->dev_roles[i] = cpu_to_le16(0xfffe);
 
@@ -1365,10 +1366,14 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
 	}
 	/* make sure rdev->size exceeds mddev->size */
 	if (rdev->size && (mddev->size == 0 || rdev->size < mddev->size)) {
-		if (mddev->pers)
-			/* Cannot change size, so fail */
-			return -ENOSPC;
-		else
+		if (mddev->pers) {
+			/* Cannot change size, so fail
+			 * If mddev->level <= 0, then we don't care
+			 * about aligning sizes (e.g. linear)
+			 */
+			if (mddev->level > 0)
+				return -ENOSPC;
+		} else
 			mddev->size = rdev->size;
 	}
 
@@ -2142,6 +2147,9 @@ static void analyze_sbs(mddev_t * mddev)
 			rdev->desc_nr = i++;
 			rdev->raid_disk = rdev->desc_nr;
 			set_bit(In_sync, &rdev->flags);
+		} else if (rdev->raid_disk >= mddev->raid_disks) {
+			rdev->raid_disk = -1;
+			clear_bit(In_sync, &rdev->flags);
 		}
 	}