In case the default leg of a "mirror" target fails, any read will cause a new, operational default leg to be selected and the read be resubmitted to it. Nonetheless that io succeeds, an error will be reported back because bio->bi_error was not cleared properly. Fix by clearing bio->bi_error before resubmission. Resolves: rhbz1382516 Signed-off-by: Heinz Mauelshagen <heinzm@xxxxxxxxxx> --- drivers/md/dm-raid1.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index bdf1606..7a6254d 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -1292,6 +1292,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) dm_bio_restore(bd, bio); bio_record->details.bi_bdev = NULL; + bio->bi_error = 0; queue_bio(ms, bio, rw); return DM_ENDIO_INCOMPLETE; -- 2.7.4 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
