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dm raid: fix raid10 device size error on out-of-place reshape 

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Heinz Mauelshagen 2016-06-24 00:36:08 +02:00 committed by Mike Snitzer
parent 2d92a3c2a4
commit fbe6365bb4
1 changed files with 8 additions and 0 deletions
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8
drivers/md/dm-raid.c
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@ -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) static void rs_set_capacity(struct raid_set *rs)
{ {
struct mddev *mddev = &rs->md; struct mddev *mddev = &rs->md;
struct md_rdev *rdev;
struct gendisk *gendisk = dm_disk(dm_table_get_md(rs->ti->table)); 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); set_capacity(gendisk, mddev->array_sectors);
revalidate_disk(gendisk); revalidate_disk(gendisk);
} }