diff options
Diffstat (limited to 'block/blk-cgroup.h')
| -rw-r--r-- | block/blk-cgroup.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index df1c7b290c22..66253a7c8ff4 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -64,6 +64,9 @@ struct blkg_policy_data { /* the blkg this per-policy data belongs to */ struct blkio_group *blkg; + /* used during policy activation */ + struct list_head alloc_node; + /* pol->pdata_size bytes of private data used by policy impl */ char pdata[] __aligned(__alignof__(unsigned long long)); }; @@ -108,9 +111,11 @@ extern void blkcg_exit_queue(struct request_queue *q); /* Blkio controller policy registration */ extern int blkio_policy_register(struct blkio_policy_type *); extern void blkio_policy_unregister(struct blkio_policy_type *); +extern int blkcg_activate_policy(struct request_queue *q, + const struct blkio_policy_type *pol); +extern void blkcg_deactivate_policy(struct request_queue *q, + const struct blkio_policy_type *pol); extern void blkg_destroy_all(struct request_queue *q, bool destroy_root); -extern void update_root_blkg_pd(struct request_queue *q, - const struct blkio_policy_type *pol); void blkcg_print_blkgs(struct seq_file *sf, struct blkio_cgroup *blkcg, u64 (*prfill)(struct seq_file *, void *, int), @@ -325,10 +330,12 @@ static inline void blkcg_drain_queue(struct request_queue *q) { } static inline void blkcg_exit_queue(struct request_queue *q) { } 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 int blkcg_activate_policy(struct request_queue *q, + const struct blkio_policy_type *pol) { return 0; } +static inline void blkcg_deactivate_policy(struct request_queue *q, + const struct blkio_policy_type *pol) { } static inline void blkg_destroy_all(struct request_queue *q, bool destory_root) { } -static inline void update_root_blkg_pd(struct request_queue *q, - const struct blkio_policy_type *pol) { } static inline void *blkg_to_pdata(struct blkio_group *blkg, struct blkio_policy_type *pol) { return NULL; } |