Commit de171cb9 authored Jan 31, 2011 by NeilBrown

md: revert change to raid_disks on failure.



If we try to update_raid_disks and it fails, we should put
'delta_disks' back to zero.  This is important because some code,
such as slot_store, assumes that delta_disks has been validated.

Signed-off-by: NeilBrown <neilb@suse.de>

parent 1f0324ca

drivers/md/md.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -5578,6 +5578,8 @@ static int update_raid_disks(mddev_t *mddev, int raid_disks)
		mddev->delta_disks = raid_disks - mddev->raid_disks;

		rv = mddev->pers->check_reshape(mddev);
		if (rv < 0)
		mddev->delta_disks = 0;
		return rv;
		}