diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 5 | ||||
| -rw-r--r-- | drivers/md/raid5.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 8d11cd1a0d8..6eb95451f16 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4639,6 +4639,11 @@ static int update_size(mddev_t *mddev, sector_t num_sectors) */ if (mddev->sync_thread) return -EBUSY; + if (mddev->bitmap) + /* Sorry, cannot grow a bitmap yet, just remove it, + * grow, and re-add. + */ + return -EBUSY; rdev_for_each(rdev, tmp, mddev) { sector_t avail; avail = rdev->size * 2; 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 |