diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-thin.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 60cc50685c14..af871fd48eb4 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1757,20 +1757,14 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) static int pool_is_congested(struct dm_target_callbacks *cb, int bdi_bits) { - int r; - unsigned long flags; struct pool_c *pt = container_of(cb, struct pool_c, callbacks); + struct request_queue *q; - spin_lock_irqsave(&pt->pool->lock, flags); - r = !bio_list_empty(&pt->pool->retry_on_resume_list); - spin_unlock_irqrestore(&pt->pool->lock, flags); + if (get_pool_mode(pt->pool) == PM_OUT_OF_DATA_SPACE) + return 1; - if (!r) { - struct request_queue *q = bdev_get_queue(pt->data_dev->bdev); - r = bdi_congested(&q->backing_dev_info, bdi_bits); - } - - return r; + q = bdev_get_queue(pt->data_dev->bdev); + return bdi_congested(&q->backing_dev_info, bdi_bits); } static void __requeue_bios(struct pool *pool) |