diff options
Diffstat (limited to 'block/blk-cgroup.h')
| -rw-r--r-- | block/blk-cgroup.h | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 26949731108f..be80d6eb6531 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -17,13 +17,6 @@ #include <linux/u64_stats_sync.h> #include <linux/seq_file.h> -enum blkio_policy_id { - BLKIO_POLICY_PROP = 0, /* Proportional Bandwidth division */ - BLKIO_POLICY_THROTL, /* Throttling */ - - BLKIO_NR_POLICIES, -}; - /* Max limits for throttle policy */ #define THROTL_IOPS_MAX UINT_MAX @@ -86,7 +79,7 @@ struct blkio_group { /* reference count */ int refcnt; - struct blkg_policy_data *pd[BLKIO_NR_POLICIES]; + struct blkg_policy_data *pd[BLKCG_MAX_POLS]; struct rcu_head rcu_head; }; @@ -103,7 +96,7 @@ struct blkio_policy_ops { struct blkio_policy_type { struct blkio_policy_ops ops; - enum blkio_policy_id plid; + int plid; size_t pdata_size; /* policy specific private data size */ struct cftype *cftypes; /* cgroup files for the policy */ }; @@ -113,7 +106,7 @@ extern void blkcg_drain_queue(struct request_queue *q); extern void blkcg_exit_queue(struct request_queue *q); /* Blkio controller policy registration */ -extern void blkio_policy_register(struct blkio_policy_type *); +extern int blkio_policy_register(struct blkio_policy_type *); extern void blkio_policy_unregister(struct blkio_policy_type *); extern void blkg_destroy_all(struct request_queue *q, bool destroy_root); extern void update_root_blkg_pd(struct request_queue *q, @@ -329,7 +322,7 @@ struct blkio_policy_type { static inline int blkcg_init_queue(struct request_queue *q) { return 0; } static inline void blkcg_drain_queue(struct request_queue *q) { } static inline void blkcg_exit_queue(struct request_queue *q) { } -static inline void blkio_policy_register(struct blkio_policy_type *blkiop) { } +static inline int blkio_policy_register(struct blkio_policy_type *blkiop) { return 0; } static inline void blkio_policy_unregister(struct blkio_policy_type *blkiop) { } static inline void blkg_destroy_all(struct request_queue *q, bool destory_root) { } |