From fbe6365bb4732199a36e0fe6da89086936505e07 Mon Sep 17 00:00:00 2001 From: Heinz Mauelshagen Date: Fri, 24 Jun 2016 00:36:08 +0200 Subject: [PATCH] dm raid: fix raid10 device size error on out-of-place reshape Signed-off-by: Heinz Mauelshagen Signed-off-by: Mike Snitzer --- drivers/md/dm-raid.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 6dc4940..8118f1e 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -622,8 +622,16 @@ static struct raid_type *get_raid_type_by_ll(const int level, const int layout) static void rs_set_capacity(struct raid_set *rs) { struct mddev *mddev = &rs->md; + struct md_rdev *rdev; struct gendisk *gendisk = dm_disk(dm_table_get_md(rs->ti->table)); + /* + * raid10 sets rdev->sector to the device size, which + * is unintended in case of out-of-place reshaping + */ + rdev_for_each(rdev, mddev) + rdev->sectors = mddev->dev_sectors; + set_capacity(gendisk, mddev->array_sectors); revalidate_disk(gendisk); } -- 2.7.4