diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 83f325077dc8..72ef3f18ac9a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6493,10 +6493,7 @@ static int update_size(struct mddev *mddev, sector_t num_sectors) struct md_rdev *rdev; int rv; int fit = (num_sectors == 0); - - /* cluster raid doesn't support update size */ - if (mddev_is_clustered(mddev)) - return -EINVAL; + sector_t old_dev_sectors = mddev->dev_sectors; if (mddev->pers->resize == NULL) return -EINVAL; @@ -6525,7 +6522,9 @@ static int update_size(struct mddev *mddev, sector_t num_sectors) } rv = mddev->pers->resize(mddev, num_sectors); if (!rv) { - if (mddev->queue) { + if (mddev_is_clustered(mddev)) + md_cluster_ops->update_size(mddev, old_dev_sectors); + else if (mddev->queue) { set_capacity(mddev->gendisk, mddev->array_sectors); revalidate_disk(mddev->gendisk); } @@ -8743,6 +8742,18 @@ static void check_sb_changes(struct mddev *mddev, struct md_rdev *rdev) int role, ret; char b[BDEVNAME_SIZE]; + /* + * If size is changed in another node then we need to + * do resize as well. + */ + if (mddev->dev_sectors != le64_to_cpu(sb->size)) { + ret = mddev->pers->resize(mddev, le64_to_cpu(sb->size)); + if (ret) + pr_info("md-cluster: resize failed\n"); + else + bitmap_update_sb(mddev->bitmap); + } + /* Check for change of roles in the active devices */ rdev_for_each(rdev2, mddev) { if (test_bit(Faulty, &rdev2->flags)) |