From 9a0d4970288de29191fa45bf0ab4d8398bfa3a01 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 15 Feb 2024 08:02:48 +0100 Subject: nbd: pass queue_limits to blk_mq_alloc_disk Pass the few limits nbd imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig Link: https://lore.kernel.org/r/20240215070300.2200308-6-hch@lst.de Signed-off-by: Jens Axboe --- drivers/block/nbd.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'drivers/block') diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index d2b422d842b7..9ee9587375fa 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1783,6 +1783,12 @@ static const struct blk_mq_ops nbd_mq_ops = { static struct nbd_device *nbd_dev_add(int index, unsigned int refs) { + struct queue_limits lim = { + .max_hw_sectors = 65536, + .max_user_sectors = 256, + .max_segments = USHRT_MAX, + .max_segment_size = UINT_MAX, + }; struct nbd_device *nbd; struct gendisk *disk; int err = -ENOMEM; @@ -1823,7 +1829,7 @@ static struct nbd_device *nbd_dev_add(int index, unsigned int refs) if (err < 0) goto out_free_tags; - disk = blk_mq_alloc_disk(&nbd->tag_set, NULL, NULL); + disk = blk_mq_alloc_disk(&nbd->tag_set, &lim, NULL); if (IS_ERR(disk)) { err = PTR_ERR(disk); goto out_free_idr; @@ -1843,11 +1849,6 @@ static struct nbd_device *nbd_dev_add(int index, unsigned int refs) * Tell the block layer that we are not a rotational device */ blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue); - blk_queue_max_discard_sectors(disk->queue, 0); - blk_queue_max_segment_size(disk->queue, UINT_MAX); - blk_queue_max_segments(disk->queue, USHRT_MAX); - blk_queue_max_hw_sectors(disk->queue, 65536); - disk->queue->limits.max_sectors = 256; mutex_init(&nbd->config_lock); refcount_set(&nbd->config_refs, 0); -- cgit