diff options
Diffstat (limited to 'block/blk-ioprio.h')
| -rw-r--r-- | block/blk-ioprio.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/block/blk-ioprio.h b/block/blk-ioprio.h new file mode 100644 index 000000000000..b6afb8e80de0 --- /dev/null +++ b/block/blk-ioprio.h @@ -0,0 +1,28 @@ +/* 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_ */ |