diff options
| author | Andrew Morton <akpm@osdl.org> | 2003-07-04 19:36:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.osdl.org> | 2003-07-04 19:36:23 -0700 |
| commit | 104e6fdc6f35ea08e1c6ed03158b336b2e9983ed (patch) | |
| tree | 1a71ac3ab118e44192fe9aa38a6aec11134663b1 /include/linux | |
| parent | 7d2483a936d9012f0a8ed9b61e191d6b827a66d2 (diff) | |
[PATCH] elevator completion API
From: Nick Piggin <piggin@cyberone.com.au>
Introduces an elevator_completed_req() callback with which the generic
queueing layer may tell an IO scheduler that a particualr request has
finished.
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/elevator.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 66bedb242218..07de69c1ef8a 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -15,6 +15,7 @@ typedef int (elevator_queue_empty_fn) (request_queue_t *); typedef void (elevator_remove_req_fn) (request_queue_t *, struct request *); typedef struct request *(elevator_request_list_fn) (request_queue_t *, struct request *); typedef struct list_head *(elevator_get_sort_head_fn) (request_queue_t *, struct request *); +typedef void (elevator_completed_req_fn) (request_queue_t *, struct request *); typedef int (elevator_may_queue_fn) (request_queue_t *, int); typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, int); @@ -34,6 +35,7 @@ struct elevator_s elevator_remove_req_fn *elevator_remove_req_fn; elevator_queue_empty_fn *elevator_queue_empty_fn; + elevator_completed_req_fn *elevator_completed_req_fn; elevator_request_list_fn *elevator_former_req_fn; elevator_request_list_fn *elevator_latter_req_fn; @@ -69,6 +71,7 @@ extern struct request *elv_latter_request(request_queue_t *, struct request *); extern int elv_register_queue(struct gendisk *); extern void elv_unregister_queue(struct gendisk *); extern int elv_may_queue(request_queue_t *, int); +extern void elv_completed_request(request_queue_t *, struct request *); extern int elv_set_request(request_queue_t *, struct request *, int); extern void elv_put_request(request_queue_t *, struct request *); |