diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-throttle.c | 1 | ||||
| -rw-r--r-- | block/blk.h | 15 |
2 files changed, 15 insertions, 1 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index a19f58c6fc3..f3f495ea4ee 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -10,6 +10,7 @@ #include <linux/bio.h> #include <linux/blktrace_api.h> #include "blk-cgroup.h" +#include "blk.h" /* Max dispatch from a group in 1 round */ static int throtl_grp_quantum = 8; diff --git a/block/blk.h b/block/blk.h index 20b900a377c..da247ba2aea 100644 --- a/block/blk.h +++ b/block/blk.h @@ -188,4 +188,17 @@ static inline int blk_do_io_stat(struct request *rq) (rq->cmd_flags & REQ_DISCARD)); } -#endif +#ifdef CONFIG_BLK_DEV_THROTTLING +extern int blk_throtl_bio(struct request_queue *q, struct bio **bio); +extern int blk_throtl_init(struct request_queue *q); +extern void blk_throtl_exit(struct request_queue *q); +#else /* CONFIG_BLK_DEV_THROTTLING */ +static inline int blk_throtl_bio(struct request_queue *q, struct bio **bio) +{ + return 0; +} +static inline int blk_throtl_init(struct request_queue *q) { return 0; } +static inline void blk_throtl_exit(struct request_queue *q) { } +#endif /* CONFIG_BLK_DEV_THROTTLING */ + +#endif /* BLK_INTERNAL_H */ |