diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index e1dcd36ae072..7712ae65753c 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3764,6 +3764,8 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q); q->limits.discard_granularity = segment_size; q->limits.discard_alignment = segment_size; + q->limits.max_discard_sectors = segment_size / SECTOR_SIZE; + q->limits.discard_zeroes_data = 1; blk_queue_merge_bvec(q, rbd_merge_bvec); disk->queue = q;