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ubd: pass queue_limits to blk_mq_alloc_disk

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Pass the few limits ubd 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/20240215070300.2200308-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-02-15 08:02:44 +01:00 committed by Jens Axboe
parent af190c53c9
commit 5d6789ce33
1 changed files with 5 additions and 3 deletions
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8
arch/um/drivers/ubd_kern.c
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@ -881,6 +881,10 @@ static const struct blk_mq_ops ubd_mq_ops = {
static int ubd_add(int n, char **error_out)
{
struct ubd *ubd_dev = &ubd_devs[n];
struct queue_limits lim = {
.max_segments = MAX_SG,
.seg_boundary_mask = PAGE_SIZE - 1,
};
struct gendisk *disk;
int err = 0;
@ -906,7 +910,7 @@ static int ubd_add(int n, char **error_out)
if (err)
goto out;
disk = blk_mq_alloc_disk(&ubd_dev->tag_set, NULL, ubd_dev);
disk = blk_mq_alloc_disk(&ubd_dev->tag_set, &lim, ubd_dev);
if (IS_ERR(disk)) {
err = PTR_ERR(disk);
goto out_cleanup_tags;
@ -914,8 +918,6 @@ static int ubd_add(int n, char **error_out)
ubd_dev->queue = disk->queue;
blk_queue_write_cache(ubd_dev->queue, true, false);
blk_queue_max_segments(ubd_dev->queue, MAX_SG);
blk_queue_segment_boundary(ubd_dev->queue, PAGE_SIZE - 1);
err = ubd_disk_register(UBD_MAJOR, ubd_dev->size, n, disk);
if (err)
goto out_cleanup_disk;