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authorHeinz Mauelshagen <heinzm@redhat.com>2018-10-12 20:24:25 +0200
committerMike Snitzer <snitzer@redhat.com>2018-10-18 15:13:48 -0400
commitd857ad75edf3c0066fcd920746f9dc75382b3324 (patch)
tree6b53ce01e3cc610a9572220f40369150a663c964 /drivers/md/dm-raid.c
parented0302e83098db9b3a8c27f36c93deeafd6963d8 (diff)
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: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-raid.c')
-rw-r--r--drivers/md/dm-raid.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index c44925e4e481..e1dd1622a290 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -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)) {