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authorChristoph Hellwig <hch@lst.de>2024-02-13 08:34:24 +0100
committerJens Axboe <axboe@kernel.dk>2024-02-13 08:56:59 -0700
commit02aed4a1f2c355e41d82a8e9831031ca9e0eb45d (patch)
treee73cc42c016aa78d49a6cd5f92d0c6e7bfa61e3a /drivers/block/loop.c
parent65bdd16f8c72bb2178f5e4db40305bef6c96b309 (diff)
downloadlinux-02aed4a1f2c355e41d82a8e9831031ca9e0eb45d.tar.gz
loop: pass queue_limits to blk_mq_alloc_disk
Pass the max_hw_sector limit loop sets at initialization time directly to blk_mq_alloc_disk instead of updating it right after the allocation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Link: https://lore.kernel.org/r/20240213073425.1621680-15-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/loop.c')
-rw-r--r--drivers/block/loop.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 7abeb586942677..26c8ea79086798 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1971,6 +1971,12 @@ static const struct blk_mq_ops loop_mq_ops = {
static int loop_add(int i)
{
+ struct queue_limits lim = {
+ /*
+ * Random number picked from the historic block max_sectors cap.
+ */
+ .max_hw_sectors = 2560u,
+ };
struct loop_device *lo;
struct gendisk *disk;
int err;
@@ -2014,16 +2020,13 @@ static int loop_add(int i)
if (err)
goto out_free_idr;
- disk = lo->lo_disk = blk_mq_alloc_disk(&lo->tag_set, NULL, lo);
+ disk = lo->lo_disk = blk_mq_alloc_disk(&lo->tag_set, &lim, lo);
if (IS_ERR(disk)) {
err = PTR_ERR(disk);
goto out_cleanup_tags;
}
lo->lo_queue = lo->lo_disk->queue;
- /* random number picked from the history block max_sectors cap */
- blk_queue_max_hw_sectors(lo->lo_queue, 2560u);
-
/*
* By default, we do buffer IO, so it doesn't make sense to enable
* merge because the I/O submitted to backing file is handled page by