diff options
Diffstat (limited to 'drivers/md/linear.c')
-rw-r--r-- | drivers/md/linear.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 8d740013d74d..4991ba543368 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -238,6 +238,11 @@ static int linear_make_request (request_queue_t *q, struct bio *bio) dev_info_t *tmp_dev; sector_t block; + if (unlikely(bio_barrier(bio))) { + bio_endio(bio, bio->bi_size, -EOPNOTSUPP); + return 0; + } + if (bio_data_dir(bio)==WRITE) { disk_stat_inc(mddev->gendisk, writes); disk_stat_add(mddev->gendisk, write_sectors, bio_sectors(bio)); |