Commit d857ad75 authored by Heinz Mauelshagen's avatar Heinz Mauelshagen Committed by Mike Snitzer
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dm raid: avoid bitmap with raid4/5/6 journal device 



With raid4/5/6, journal device and write intent bitmap are mutually exclusive.

Signed-off-by: default avatarHeinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent ed0302e8

drivers/md/dm-raid.c

+1 −1
Original line number Diff line number Diff line
@@ -2475,7 +2475,7 @@ static int super_validate(struct raid_set *rs, struct md_rdev *rdev) 
	}



	/* Enable bitmap creation for RAID levels != 0 */

	mddev->bitmap_info.offset = rt_is_raid0(rs->raid_type) ? 0 : to_sector(4096);

	mddev->bitmap_info.offset = (rt_is_raid0(rs->raid_type) || rs->journal_dev.dev) ? 0 : to_sector(4096);

	mddev->bitmap_info.default_offset = mddev->bitmap_info.offset;



	if (!test_and_clear_bit(FirstUse, &rdev->flags)) {