diff options
| author | Tejun Heo <tj@kernel.org> | 2011-10-19 14:31:18 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2011-10-19 14:31:18 +0200 |
| commit | bc9fcbf9cb8ec76d340da16fbf48a9a316e14c52 (patch) | |
| tree | 89376b8811a0d440328dc4f31ef062c811db1cc1 /block | |
| parent | ece84241b93c4693bfe0a8ec9a043a16d216d0cd (diff) | |
| download | lwn-bc9fcbf9cb8ec76d340da16fbf48a9a316e14c52.tar.gz lwn-bc9fcbf9cb8ec76d340da16fbf48a9a316e14c52.zip | |
block: move blk_throtl prototypes to block/blk.h
blk_throtl interface is block internal and there's no reason to have
them in linux/blkdev.h. Move them to block/blk.h.
This patch doesn't introduce any functional change.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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 a19f58c6fc3a..f3f495ea4eeb 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 20b900a377c9..da247ba2aeaf 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 */ |