diff options
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 40e93967565..17e0953c3c0 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4446,6 +4446,9 @@ static int raid5_check_reshape(mddev_t *mddev) return -EINVAL; /* Cannot shrink array or change level yet */ if (mddev->delta_disks == 0) return 0; /* nothing to do */ + if (mddev->bitmap) + /* Cannot grow a bitmap yet */ + return -EBUSY; /* Can only proceed if there are plenty of stripe_heads. * We need a minimum of one full stripe,, and for sensible progress |