diff options
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 52ddfa0fca94..433e78f453da 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1190,7 +1190,9 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio, struct bio *split = bio_split(bio, max_sectors, gfp, conf->bio_split); bio_chain(split, bio); + allow_barrier(conf); generic_make_request(bio); + wait_barrier(conf); bio = split; r10_bio->master_bio = bio; r10_bio->sectors = max_sectors; @@ -1479,7 +1481,9 @@ retry_write: struct bio *split = bio_split(bio, r10_bio->sectors, GFP_NOIO, conf->bio_split); bio_chain(split, bio); + allow_barrier(conf); generic_make_request(bio); + wait_barrier(conf); bio = split; r10_bio->master_bio = bio; } @@ -3817,6 +3821,8 @@ static int raid10_run(struct mddev *mddev) set_bit(MD_RECOVERY_RUNNING, &mddev->recovery); mddev->sync_thread = md_register_thread(md_do_sync, mddev, "reshape"); + if (!mddev->sync_thread) + goto out_free_conf; } return 0; @@ -4491,7 +4497,6 @@ read_more: atomic_inc(&r10_bio->remaining); read_bio->bi_next = NULL; generic_make_request(read_bio); - sector_nr += nr_sectors; sectors_done += nr_sectors; if (sector_nr <= last) goto read_more; |