diff options
Diffstat (limited to 'drivers/block/rbd.c')
-rw-r--r-- | drivers/block/rbd.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index a75fe93a25b1..5ab9f55d3e0c 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c | |||
@@ -1684,7 +1684,9 @@ static int rbd_header_add_snap(struct rbd_device *dev, | |||
1684 | if (ret < 0) | 1684 | if (ret < 0) |
1685 | return ret; | 1685 | return ret; |
1686 | 1686 | ||
1687 | dev->header.snapc->seq = new_snapid; | 1687 | down_write(&dev->header_rwsem); |
1688 | dev->header.snapc->seq = new_snapid; | ||
1689 | up_write(&dev->header_rwsem); | ||
1688 | 1690 | ||
1689 | return 0; | 1691 | return 0; |
1690 | bad: | 1692 | bad: |