diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/md/raid0.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 32d587524778..7049ec7fb8eb 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -384,6 +384,7 @@ static int raid0_set_limits(struct mddev *mddev) lim.max_write_zeroes_sectors = mddev->chunk_sectors; lim.io_min = mddev->chunk_sectors << 9; lim.io_opt = lim.io_min * mddev->raid_disks; + lim.features |= BLK_FEAT_ATOMIC_WRITES_STACKED; err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY); if (err) { queue_limits_cancel_update(mddev->gendisk->queue); @@ -466,6 +467,12 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) struct bio *split = bio_split(bio, zone->zone_end - bio->bi_iter.bi_sector, GFP_NOIO, &mddev->bio_set); + + if (IS_ERR(split)) { + bio->bi_status = errno_to_blk_status(PTR_ERR(split)); + bio_endio(bio); + return; + } bio_chain(split, bio); submit_bio_noacct(bio); bio = split; @@ -608,6 +615,12 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio) if (sectors < bio_sectors(bio)) { struct bio *split = bio_split(bio, sectors, GFP_NOIO, &mddev->bio_set); + + if (IS_ERR(split)) { + bio->bi_status = errno_to_blk_status(PTR_ERR(split)); + bio_endio(bio); + return true; + } bio_chain(split, bio); raid0_map_submit_bio(mddev, bio); bio = split; |