diff options
Diffstat (limited to 'block/blk-cgroup.h')
| -rw-r--r-- | block/blk-cgroup.h | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 562fa55d97b1..2600ae7e6f60 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -204,6 +204,10 @@ extern unsigned int blkcg_get_read_iops(struct blkio_cgroup *blkcg, extern unsigned int blkcg_get_write_iops(struct blkio_cgroup *blkcg, dev_t dev); +typedef struct blkio_group *(blkio_alloc_group_fn)(struct request_queue *q, + struct blkio_cgroup *blkcg); +typedef void (blkio_link_group_fn)(struct request_queue *q, + struct blkio_group *blkg); typedef void (blkio_unlink_group_fn)(struct request_queue *q, struct blkio_group *blkg); typedef bool (blkio_clear_queue_fn)(struct request_queue *q); @@ -219,6 +223,8 @@ typedef void (blkio_update_group_write_iops_fn)(struct request_queue *q, struct blkio_group *blkg, unsigned int write_iops); struct blkio_policy_ops { + blkio_alloc_group_fn *blkio_alloc_group_fn; + blkio_link_group_fn *blkio_link_group_fn; blkio_unlink_group_fn *blkio_unlink_group_fn; blkio_clear_queue_fn *blkio_clear_queue_fn; blkio_update_group_weight_fn *blkio_update_group_weight_fn; @@ -307,14 +313,14 @@ static inline void blkiocg_set_start_empty_time(struct blkio_group *blkg) {} extern struct blkio_cgroup blkio_root_cgroup; extern struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup); extern struct blkio_cgroup *task_blkio_cgroup(struct task_struct *tsk); -extern void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg, - struct blkio_group *blkg, struct request_queue *q, dev_t dev, - enum blkio_policy_id plid); -extern int blkio_alloc_blkg_stats(struct blkio_group *blkg); extern int blkiocg_del_blkio_group(struct blkio_group *blkg); -extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg, - struct request_queue *q, - enum blkio_policy_id plid); +extern struct blkio_group *blkg_lookup(struct blkio_cgroup *blkcg, + struct request_queue *q, + enum blkio_policy_id plid); +struct blkio_group *blkg_lookup_create(struct blkio_cgroup *blkcg, + struct request_queue *q, + enum blkio_policy_id plid, + bool for_root); void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time, unsigned long unaccounted_time); @@ -335,17 +341,11 @@ cgroup_to_blkio_cgroup(struct cgroup *cgroup) { return NULL; } static inline struct blkio_cgroup * task_blkio_cgroup(struct task_struct *tsk) { return NULL; } -static inline void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg, - struct blkio_group *blkg, void *key, dev_t dev, - enum blkio_policy_id plid) {} - -static inline int blkio_alloc_blkg_stats(struct blkio_group *blkg) { return 0; } - static inline int blkiocg_del_blkio_group(struct blkio_group *blkg) { return 0; } -static inline struct blkio_group * -blkiocg_lookup_group(struct blkio_cgroup *blkcg, void *key) { return NULL; } +static inline struct blkio_group *blkg_lookup(struct blkio_cgroup *blkcg, + void *key) { return NULL; } static inline void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time, unsigned long unaccounted_time) |