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-rw-r--r--block/blk-cgroup.h15
1 files changed, 7 insertions, 8 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 83ce5fa..6e8ee86 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -178,13 +178,11 @@ struct blkg_policy_data {
struct blkio_group {
/* Pointer to the associated request_queue, RCU protected */
struct request_queue __rcu *q;
- struct list_head q_node[BLKIO_NR_POLICIES];
+ struct list_head q_node;
struct hlist_node blkcg_node;
struct blkio_cgroup *blkcg;
/* Store cgroup path */
char path[128];
- /* policy which owns this blk group */
- enum blkio_policy_id plid;
/* reference count */
int refcnt;
@@ -230,8 +228,9 @@ extern void blkcg_exit_queue(struct request_queue *q);
/* Blkio controller policy registration */
extern void 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,
- enum blkio_policy_id plid, bool destroy_root);
+extern void blkg_destroy_all(struct request_queue *q, bool destroy_root);
+extern void update_root_blkg_pd(struct request_queue *q,
+ enum blkio_policy_id plid);
/**
* blkg_to_pdata - get policy private data
@@ -313,8 +312,9 @@ static inline void blkcg_exit_queue(struct request_queue *q) { }
static inline void blkio_policy_register(struct blkio_policy_type *blkiop) { }
static inline void blkio_policy_unregister(struct blkio_policy_type *blkiop) { }
static inline void blkg_destroy_all(struct request_queue *q,
- enum blkio_policy_id plid,
bool destory_root) { }
+static inline void update_root_blkg_pd(struct request_queue *q,
+ enum blkio_policy_id plid) { }
static inline void *blkg_to_pdata(struct blkio_group *blkg,
struct blkio_policy_type *pol) { return NULL; }
@@ -382,8 +382,7 @@ extern struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup);
extern struct blkio_cgroup *task_blkio_cgroup(struct task_struct *tsk);
extern int blkiocg_del_blkio_group(struct blkio_group *blkg);
extern struct blkio_group *blkg_lookup(struct blkio_cgroup *blkcg,
- struct request_queue *q,
- enum blkio_policy_id plid);
+ struct request_queue *q);
struct blkio_group *blkg_lookup_create(struct blkio_cgroup *blkcg,
struct request_queue *q,
enum blkio_policy_id plid,
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