diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 6 | ||||
| -rw-r--r-- | drivers/md/raid1.c | 11 | ||||
| -rw-r--r-- | drivers/md/raid10.c | 10 | ||||
| -rw-r--r-- | drivers/md/raid5.c | 14 |
4 files changed, 28 insertions, 13 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 9e2336fbbd31..86adf4ac46cf 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6153,11 +6153,7 @@ static int update_size(struct mddev *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, mddev) { sector_t avail = rdev->sectors; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 22cfc6660b18..8e717bd518e7 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2752,9 +2752,16 @@ static int raid1_resize(struct mddev *mddev, sector_t sectors) * any io in the removed space completes, but it hardly seems * worth it. */ - md_set_array_sectors(mddev, raid1_size(mddev, sectors, 0)); - if (mddev->array_sectors > raid1_size(mddev, sectors, 0)) + sector_t newsize = raid1_size(mddev, sectors, 0); + if (mddev->external_size && + mddev->array_sectors > newsize) return -EINVAL; + if (mddev->bitmap) { + int ret = bitmap_resize(mddev->bitmap, newsize, 0, 0); + if (ret) + return ret; + } + md_set_array_sectors(mddev, newsize); set_capacity(mddev->gendisk, mddev->array_sectors); revalidate_disk(mddev->gendisk); if (sectors > mddev->dev_sectors && diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index fb9062b5022c..8fe3aa469987 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3678,9 +3678,15 @@ static int raid10_resize(struct mddev *mddev, sector_t sectors) oldsize = raid10_size(mddev, 0, 0); size = raid10_size(mddev, sectors, 0); - md_set_array_sectors(mddev, size); - if (mddev->array_sectors > size) + if (mddev->external_size && + mddev->array_sectors > size) return -EINVAL; + if (mddev->bitmap) { + int ret = bitmap_resize(mddev->bitmap, size, 0, 0); + if (ret) + return ret; + } + md_set_array_sectors(mddev, size); set_capacity(mddev->gendisk, mddev->array_sectors); revalidate_disk(mddev->gendisk); if (sectors > mddev->dev_sectors && diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 7bfd59b313d7..eab6168bb7f4 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5503,12 +5503,18 @@ static int raid5_resize(struct mddev *mddev, sector_t sectors) * any io in the removed space completes, but it hardly seems * worth it. */ + sector_t newsize; sectors &= ~((sector_t)mddev->chunk_sectors - 1); - md_set_array_sectors(mddev, raid5_size(mddev, sectors, - mddev->raid_disks)); - if (mddev->array_sectors > - raid5_size(mddev, sectors, mddev->raid_disks)) + newsize = raid5_size(mddev, sectors, mddev->raid_disks); + if (mddev->external_size && + mddev->array_sectors > newsize) return -EINVAL; + if (mddev->bitmap) { + int ret = bitmap_resize(mddev->bitmap, sectors, 0, 0); + if (ret) + return ret; + } + md_set_array_sectors(mddev, newsize); set_capacity(mddev->gendisk, mddev->array_sectors); revalidate_disk(mddev->gendisk); if (sectors > mddev->dev_sectors && |