diff options
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 136051b..5ea2bde 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4868,14 +4868,14 @@ static int check_stripe_cache(mddev_t *mddev) return 1; } -static int raid5_check_reshape(mddev_t *mddev) +static int check_reshape(mddev_t *mddev) { raid5_conf_t *conf = mddev->private; if (mddev->delta_disks == 0 && mddev->new_layout == mddev->layout && mddev->new_chunk_sectors == mddev->chunk_sectors) - return -EINVAL; /* nothing to do */ + return 0; /* nothing to do */ if (mddev->bitmap) /* Cannot grow a bitmap yet */ return -EBUSY; @@ -5165,7 +5165,7 @@ static void *raid5_takeover_raid6(mddev_t *mddev) } -static int raid5_reconfig(mddev_t *mddev) +static int raid5_check_reshape(mddev_t *mddev) { /* For a 2-drive array, the layout and chunk size can be changed * immediately as not restriping is needed. @@ -5202,12 +5202,13 @@ static int raid5_reconfig(mddev_t *mddev) set_bit(MD_CHANGE_DEVS, &mddev->flags); md_wakeup_thread(mddev->thread); } - return 0; + return check_reshape(mddev); } -static int raid6_reconfig(mddev_t *mddev) +static int raid6_check_reshape(mddev_t *mddev) { int new_chunk = mddev->new_chunk_sectors; + if (mddev->new_layout >= 0 && !algorithm_valid_raid6(mddev->new_layout)) return -EINVAL; if (new_chunk > 0) { @@ -5221,7 +5222,7 @@ static int raid6_reconfig(mddev_t *mddev) } /* They look valid */ - return 0; + return check_reshape(mddev); } static void *raid5_takeover(mddev_t *mddev) @@ -5312,12 +5313,11 @@ static struct mdk_personality raid6_personality = .sync_request = sync_request, .resize = raid5_resize, .size = raid5_size, - .check_reshape = raid5_check_reshape, + .check_reshape = raid6_check_reshape, .start_reshape = raid5_start_reshape, .finish_reshape = raid5_finish_reshape, .quiesce = raid5_quiesce, .takeover = raid6_takeover, - .reconfig = raid6_reconfig, }; static struct mdk_personality raid5_personality = { @@ -5340,7 +5340,6 @@ static struct mdk_personality raid5_personality = .finish_reshape = raid5_finish_reshape, .quiesce = raid5_quiesce, .takeover = raid5_takeover, - .reconfig = raid5_reconfig, }; static struct mdk_personality raid4_personality = |