diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index f996d8342a8..5caa421c236 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2809,9 +2809,12 @@ layout_store(mddev_t *mddev, const char *buf, size_t len) int err; if (mddev->pers->reconfig == NULL) return -EBUSY; - err = mddev->pers->reconfig(mddev, n, -1); - if (err) + mddev->new_layout = n; + err = mddev->pers->reconfig(mddev); + if (err) { + mddev->new_layout = mddev->layout; return err; + } } else { mddev->new_layout = n; if (mddev->reshape_position == MaxSector) @@ -2884,9 +2887,12 @@ chunk_size_store(mddev_t *mddev, const char *buf, size_t len) int err; if (mddev->pers->reconfig == NULL) return -EBUSY; - err = mddev->pers->reconfig(mddev, -1, n); - if (err) + mddev->new_chunk_sectors = n >> 9; + err = mddev->pers->reconfig(mddev); + if (err) { + mddev->new_chunk_sectors = mddev->chunk_sectors; return err; + } } else { mddev->new_chunk_sectors = n >> 9; if (mddev->reshape_position == MaxSector) @@ -5220,8 +5226,13 @@ static int update_array_info(mddev_t *mddev, mdu_array_info_t *info) */ if (mddev->pers->reconfig == NULL) return -EINVAL; - else - return mddev->pers->reconfig(mddev, info->layout, -1); + else { + mddev->new_layout = info->layout; + rv = mddev->pers->reconfig(mddev); + if (rv) + mddev->new_layout = mddev->layout; + return rv; + } } if (info->size >= 0 && mddev->dev_sectors / 2 != info->size) rv = update_size(mddev, (sector_t)info->size * 2); |