diff options
Diffstat (limited to 'block/elevator.h')
| -rw-r--r-- | block/elevator.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/block/elevator.h b/block/elevator.h index 3f0593b3bf9d..774a8f6b99e6 100644 --- a/block/elevator.h +++ b/block/elevator.h @@ -84,6 +84,21 @@ struct elevator_type struct list_head list; }; +static inline bool elevator_tryget(struct elevator_type *e) +{ + return try_module_get(e->elevator_owner); +} + +static inline void __elevator_get(struct elevator_type *e) +{ + __module_get(e->elevator_owner); +} + +static inline void elevator_put(struct elevator_type *e) +{ + module_put(e->elevator_owner); +} + #define ELV_HASH_BITS 6 void elv_rqhash_del(struct request_queue *q, struct request *rq); @@ -100,10 +115,13 @@ struct elevator_queue void *elevator_data; struct kobject kobj; struct mutex sysfs_lock; - unsigned int registered:1; + unsigned long flags; DECLARE_HASHTABLE(hash, ELV_HASH_BITS); }; +#define ELEVATOR_FLAG_REGISTERED 0 +#define ELEVATOR_FLAG_DISABLE_WBT 1 + /* * block elevator interface */ |