summaryrefslogtreecommitdiffstats
path: root/block/blk-ioprio.h
blob: b6afb8e80de05cc990e9d263b6884b44e6bc3b82 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
/* 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_ */