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rbd: pass queue_limits to blk_mq_alloc_disk 

Pass the limits rbd imposes directly to blk_mq_alloc_disk instead
of setting them one at a time.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240215070300.2200308-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-02-15 08:02:50 +01:00 committed by Jens Axboe
parent a7f18b74db
commit 24f30b770c
1 changed files with 15 additions and 14 deletions
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29
drivers/block/rbd.c
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@ -4952,6 +4952,14 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
struct request_queue *q;
unsigned int objset_bytes =
rbd_dev->layout.object_size * rbd_dev->layout.stripe_count;
struct queue_limits lim = {
.max_hw_sectors = objset_bytes >> SECTOR_SHIFT,
.max_user_sectors = objset_bytes >> SECTOR_SHIFT,
.io_min = rbd_dev->opts->alloc_size,
.io_opt = rbd_dev->opts->alloc_size,
.max_segments = USHRT_MAX,
.max_segment_size = UINT_MAX,
};
int err;
memset(&rbd_dev->tag_set, 0, sizeof(rbd_dev->tag_set));
@ -4966,7 +4974,13 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
if (err)
return err;
disk = blk_mq_alloc_disk(&rbd_dev->tag_set, NULL, rbd_dev);
if (rbd_dev->opts->trim) {
lim.discard_granularity = rbd_dev->opts->alloc_size;
lim.max_hw_discard_sectors = objset_bytes >> SECTOR_SHIFT;
lim.max_write_zeroes_sectors = objset_bytes >> SECTOR_SHIFT;
}
disk = blk_mq_alloc_disk(&rbd_dev->tag_set, &lim, rbd_dev);
if (IS_ERR(disk)) {
err = PTR_ERR(disk);
goto out_tag_set;
@ -4987,19 +5001,6 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
/* QUEUE_FLAG_ADD_RANDOM is off by default for blk-mq */
blk_queue_max_hw_sectors(q, objset_bytes >> SECTOR_SHIFT);
q->limits.max_sectors = queue_max_hw_sectors(q);
blk_queue_max_segments(q, USHRT_MAX);
blk_queue_max_segment_size(q, UINT_MAX);
blk_queue_io_min(q, rbd_dev->opts->alloc_size);
blk_queue_io_opt(q, rbd_dev->opts->alloc_size);
if (rbd_dev->opts->trim) {
q->limits.discard_granularity = rbd_dev->opts->alloc_size;
blk_queue_max_discard_sectors(q, objset_bytes >> SECTOR_SHIFT);
blk_queue_max_write_zeroes_sectors(q, objset_bytes >> SECTOR_SHIFT);
}
if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC))
blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, q);