Commit c44a5ee8 authored Sep 06, 2018 by Heinz Mauelshagen Committed by Mike Snitzer Sep 06, 2018

dm raid: fix rebuild of specific devices by updating superblock



Update superblock when particular devices are requested via rebuild
(e.g. lvconvert --replace ...) to avoid spurious failure with the "New
device injected into existing raid set without 'delta_disks' or
'rebuild' parameter specified" error message.

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent 644e2537

drivers/md/dm-raid.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -3126,6 +3126,11 @@ static int raid_ctr(struct dm_target ti, unsigned int argc, char *argv)
		set_bit(RT_FLAG_UPDATE_SBS, &rs->runtime_flags);
		rs_set_new(rs);
		} else if (rs_is_recovering(rs)) {
		/* Rebuild particular devices */
		if (test_bit(__CTR_FLAG_REBUILD, &rs->ctr_flags)) {
		set_bit(RT_FLAG_UPDATE_SBS, &rs->runtime_flags);
		rs_setup_recovery(rs, MaxSector);
		}
		/* A recovering raid set may be resized */
		; /* skip setup rs */
		} else if (rs_is_reshaping(rs)) {