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Commit e9d4758f authored by NeilBrown's avatar NeilBrown
Browse files

md: add takeover support for raid4 -> raid5 conversion. 



Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent b3546035

drivers/md/raid5.c

+5 −0
Original line number Diff line number Diff line
@@ -4967,6 +4967,11 @@ static void *raid5_takeover(mddev_t *mddev) 


	if (mddev->level == 1)

		return raid5_takeover_raid1(mddev);

	if (mddev->level == 4) {

		mddev->new_layout = ALGORITHM_PARITY_N;

		mddev->new_level = 5;

		return setup_conf(mddev);

	}



	return ERR_PTR(-EINVAL);

}