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Commit 3941dbe1 authored by Heinz Mauelshagen's avatar Heinz Mauelshagen Committed by Greg Kroah-Hartman
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dm raid: fix rebuild of specific devices by updating superblock 



[ Upstream commit c44a5ee803d2b7ed8c2e6ce24a5c4dd60778886e ]

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: default avatarHeinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 112d65a5

drivers/md/dm-raid.c

+5 −0
Original line number Diff line number Diff line
@@ -3061,6 +3061,11 @@ 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)) {