diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index f2f855c203e5..495d8aa0a0d2 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6599,6 +6599,19 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) rv = -EINVAL; goto err; } + if (mddev->bitmap_info.nodes) { + /* hold PW on all the bitmap lock */ + if (md_cluster_ops->lock_all_bitmaps(mddev) <= 0) { + printk("md: can't change bitmap to none since the" + " array is in use by more than one node\n"); + rv = -EPERM; + md_cluster_ops->unlock_all_bitmaps(mddev); + goto err; + } + + mddev->bitmap_info.nodes = 0; + md_cluster_ops->leave(mddev); + } mddev->pers->quiesce(mddev, 1); bitmap_destroy(mddev); mddev->pers->quiesce(mddev, 0); |