return 0;
}
-/**
- * blkcg_init_queue - initialize blkcg part of request queue
- * @q: request_queue to initialize
- *
- * Called from blk_alloc_queue(). Responsible for initializing blkcg
- * part of new request_queue @q.
- *
- * RETURNS:
- * 0 on success, -errno on failure.
- */
-int blkcg_init_queue(struct request_queue *q)
+int blkcg_init_disk(struct gendisk *disk)
{
+ struct request_queue *q = disk->queue;
struct blkcg_gq *new_blkg, *blkg;
bool preloaded;
int ret;
return PTR_ERR(blkg);
}
-/**
- * blkcg_exit_queue - exit and release blkcg part of request_queue
- * @q: request_queue being released
- *
- * Called from blk_exit_queue(). Responsible for exiting blkcg part.
- */
-void blkcg_exit_queue(struct request_queue *q)
+void blkcg_exit_disk(struct gendisk *disk)
{
- blkg_destroy_all(q);
- blk_throtl_exit(q);
+ blkg_destroy_all(disk->queue);
+ blk_throtl_exit(disk->queue);
}
static void blkcg_bind(struct cgroup_subsys_state *root_css)
extern struct blkcg blkcg_root;
extern bool blkcg_debug_stats;
-int blkcg_init_queue(struct request_queue *q);
-void blkcg_exit_queue(struct request_queue *q);
+int blkcg_init_disk(struct gendisk *disk);
+void blkcg_exit_disk(struct gendisk *disk);
/* Blkio controller policy registration */
int blkcg_policy_register(struct blkcg_policy *pol);
};
static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg, void *key) { return NULL; }
-static inline int blkcg_init_queue(struct request_queue *q) { return 0; }
-static inline void blkcg_exit_queue(struct request_queue *q) { }
+static inline int blkcg_init_disk(struct gendisk *disk) { return 0; }
+static inline void blkcg_exit_disk(struct gendisk *disk) { }
static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }
static inline void blkcg_policy_unregister(struct blkcg_policy *pol) { }
static inline int blkcg_activate_policy(struct request_queue *q,
!test_bit(GD_ADDED, &disk->state))
blk_mq_exit_queue(disk->queue);
- blkcg_exit_queue(disk->queue);
+ blkcg_exit_disk(disk);
+
bioset_exit(&disk->bio_split);
disk_release_events(disk);
if (xa_insert(&disk->part_tbl, 0, disk->part0, GFP_KERNEL))
goto out_destroy_part_tbl;
- if (blkcg_init_queue(q))
+ if (blkcg_init_disk(disk))
goto out_erase_part0;
rand_initialize_disk(disk);