diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index c2645da2d975..ef86a3ed6e64 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -113,7 +113,7 @@ typedef void (request_fn_proc) (request_queue_t *q); typedef request_queue_t * (queue_proc) (kdev_t dev); typedef int (make_request_fn) (request_queue_t *q, struct bio *bio); typedef int (prep_rq_fn) (request_queue_t *, struct request *); -typedef void (unplug_device_fn) (void *q); +typedef void (unplug_fn) (void *q); enum blk_queue_state { Queue_down, @@ -157,6 +157,7 @@ struct request_queue merge_requests_fn *merge_requests_fn; make_request_fn *make_request_fn; prep_rq_fn *prep_rq_fn; + unplug_fn *unplug_fn; struct backing_dev_info backing_dev_info; @@ -206,13 +207,11 @@ struct request_queue #define RQ_SCSI_DONE 0xfffe #define RQ_SCSI_DISCONNECTING 0xffe0 -#define QUEUE_FLAG_PLUGGED 0 /* queue is plugged */ -#define QUEUE_FLAG_CLUSTER 1 /* cluster several segments into 1 */ -#define QUEUE_FLAG_QUEUED 2 /* uses generic tag queueing */ -#define QUEUE_FLAG_STOPPED 3 /* queue is stopped */ +#define QUEUE_FLAG_CLUSTER 0 /* cluster several segments into 1 */ +#define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */ +#define QUEUE_FLAG_STOPPED 2 /* queue is stopped */ -#define blk_queue_plugged(q) test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags) -#define blk_mark_plugged(q) set_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags) +#define blk_queue_plugged(q) !list_empty(&(q)->plug_list) #define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags) #define blk_queue_empty(q) elv_queue_empty(q) #define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist) @@ -292,6 +291,7 @@ extern void blk_attempt_remerge(request_queue_t *, struct request *); extern struct request *blk_get_request(request_queue_t *, int, int); extern void blk_put_request(struct request *); extern void blk_plug_device(request_queue_t *); +extern int blk_remove_plug(request_queue_t *); extern void blk_recount_segments(request_queue_t *, struct bio *); extern inline int blk_phys_contig_segment(request_queue_t *q, struct bio *, struct bio *); extern inline int blk_hw_contig_segment(request_queue_t *q, struct bio *, struct bio *); |