diff options
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 34cb065f6d66..8c9395f2028f 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3865,7 +3865,13 @@ static int make_request(struct request_queue *q, struct bio * bi) int cpu, remaining; if (unlikely(bio_rw_flagged(bi, BIO_RW_BARRIER))) { - bio_endio(bi, -EOPNOTSUPP); + /* Drain all pending writes. We only really need + * to ensure they have been submitted, but this is + * easier. + */ + mddev->pers->quiesce(mddev, 1); + mddev->pers->quiesce(mddev, 0); + md_barrier_request(mddev, bi); return 0; } |