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blk-throttle: pass a gendisk to blk_throtl_register_queue

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Pass the gendisk to blk_throtl_register_queue as part of moving the
blk-cgroup infrastructure to be gendisk based.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Herrmann <aherrmann@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220921180501.1539876-14-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-09-21 20:04:57 +02:00 committed by Jens Axboe
parent e13793bae6
commit 5f6dc7522a
3 changed files with 5 additions and 4 deletions
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2
block/blk-sysfs.c
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@ -844,7 +844,7 @@ int blk_register_queue(struct gendisk *disk)
blk_queue_flag_set(QUEUE_FLAG_REGISTERED, q);
wbt_enable_default(q);
blk_throtl_register_queue(q);
blk_throtl_register(disk);
/* Now everything is ready and send out KOBJ_ADD uevent */
kobject_uevent(&q->kobj, KOBJ_ADD);

3
block/blk-throttle.c
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@ -2408,8 +2408,9 @@ void blk_throtl_exit(struct gendisk *disk)
kfree(q->td);
}
void blk_throtl_register_queue(struct request_queue *q)
void blk_throtl_register(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
struct throtl_data *td;
int i;

4
block/blk-throttle.h
View File

@ -170,13 +170,13 @@ static inline struct throtl_grp *blkg_to_tg(struct blkcg_gq *blkg)
#ifndef CONFIG_BLK_DEV_THROTTLING
static inline int blk_throtl_init(struct gendisk *disk) { return 0; }
static inline void blk_throtl_exit(struct gendisk *disk) { }
static inline void blk_throtl_register_queue(struct request_queue *q) { }
static inline void blk_throtl_register(struct gendisk *disk) { }
static inline bool blk_throtl_bio(struct bio *bio) { return false; }
static inline void blk_throtl_cancel_bios(struct request_queue *q) { }
#else /* CONFIG_BLK_DEV_THROTTLING */
int blk_throtl_init(struct gendisk *disk);
void blk_throtl_exit(struct gendisk *disk);
void blk_throtl_register_queue(struct request_queue *q);
void blk_throtl_register(struct gendisk *disk);
bool __blk_throtl_bio(struct bio *bio);
void blk_throtl_cancel_bios(struct request_queue *q);