linux/block/blk-ioprio.h
Christoph Hellwig b0dde3f5d6 blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit
Pass the gendisk to blk_ioprio_init and blk_ioprio_exit 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/20220921180501.1539876-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-26 19:09:31 -06:00

29 lines
540 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BLK_IOPRIO_H_
#define _BLK_IOPRIO_H_
#include <linux/kconfig.h>
struct request_queue;
struct bio;
#ifdef CONFIG_BLK_CGROUP_IOPRIO
int blk_ioprio_init(struct gendisk *disk);
void blk_ioprio_exit(struct gendisk *disk);
void blkcg_set_ioprio(struct bio *bio);
#else
static inline int blk_ioprio_init(struct gendisk *disk)
{
return 0;
}
static inline void blk_ioprio_exit(struct gendisk *disk)
{
}
static inline void blkcg_set_ioprio(struct bio *bio)
{
}
#endif
#endif /* _BLK_IOPRIO_H_ */