From: Guoqing Jiang Date: Tue, 25 May 2021 09:46:18 +0000 (+0800) Subject: md/raid5: move checking badblock before clone bio in raid5_read_one_chunk X-Git-Tag: v5.15~851^2~2^2~9 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c82aa1b76787c34fd02374e519b6f52cdeb2f54b;p=platform%2Fkernel%2Flinux-starfive.git md/raid5: move checking badblock before clone bio in raid5_read_one_chunk We don't need to clone bio if the relevant region has badblock. Signed-off-by: Guoqing Jiang Signed-off-by: Song Liu --- diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 58e9dbc..5a05277 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5427,6 +5427,13 @@ static int raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio) atomic_inc(&rdev->nr_pending); rcu_read_unlock(); + if (is_badblock(rdev, sector, bio_sectors(raid_bio), &first_bad, + &bad_sectors)) { + bio_put(raid_bio); + rdev_dec_pending(rdev, mddev); + return 0; + } + align_bio = bio_clone_fast(raid_bio, GFP_NOIO, &mddev->bio_set); bio_set_dev(align_bio, rdev->bdev); align_bio->bi_end_io = raid5_align_endio; @@ -5435,13 +5442,6 @@ static int raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio) raid_bio->bi_next = (void *)rdev; - if (is_badblock(rdev, sector, bio_sectors(align_bio), &first_bad, - &bad_sectors)) { - bio_put(align_bio); - rdev_dec_pending(rdev, mddev); - return 0; - } - /* No reshape active, so we can trust rdev->data_offset */ align_bio->bi_iter.bi_sector += rdev->data_offset;