Commit 6e39b69e authored by Mike Christie's avatar Mike Christie Committed by James Bottomley
Browse files

[SCSI] export blk layer functions needed for blk_execute_rq_nowait 



To send async requests we need these two functions exported.

Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 9e1fe931

block/ll_rw_blk.c

+5 −1
Original line number Diff line number Diff line
@@ -2306,6 +2306,8 @@ void blk_execute_rq_nowait(request_queue_t *q, struct gendisk *bd_disk, 
	generic_unplug_device(q);

}



EXPORT_SYMBOL_GPL(blk_execute_rq_nowait);



/**

 * blk_execute_rq - insert a request into queue for execution

 * @q:		queue to insert the request in
@@ -2444,7 +2446,7 @@ void disk_round_stats(struct gendisk *disk) 
/*

 * queue lock must be held

 */

static void __blk_put_request(request_queue_t *q, struct request *req)

void __blk_put_request(request_queue_t *q, struct request *req)

{

	struct request_list *rl = req->rl;
@@ -2473,6 +2475,8 @@ static void __blk_put_request(request_queue_t *q, struct request *req) 
	}

}



EXPORT_SYMBOL_GPL(__blk_put_request);



void blk_put_request(struct request *req)

{

	unsigned long flags;

include/linux/blkdev.h

+5 −0
Original line number Diff line number Diff line
@@ -558,6 +558,7 @@ extern void blk_unregister_queue(struct gendisk *disk); 
extern void register_disk(struct gendisk *dev);

extern void generic_make_request(struct bio *bio);

extern void blk_put_request(struct request *);

extern void __blk_put_request(request_queue_t *, struct request *);

extern void blk_end_sync_rq(struct request *rq);

extern void blk_attempt_remerge(request_queue_t *, struct request *);

extern struct request *blk_get_request(request_queue_t *, int, gfp_t);
@@ -579,6 +580,10 @@ extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned 
extern int blk_rq_map_user_iov(request_queue_t *, struct request *, struct sg_iovec *, int);

extern int blk_execute_rq(request_queue_t *, struct gendisk *,

			  struct request *, int);

extern void blk_execute_rq_nowait(request_queue_t *, struct gendisk *,

				  struct request *, int,

				  void (*done)(struct request *));



static inline request_queue_t *bdev_get_queue(struct block_device *bdev)

{

	return bdev->bd_disk->queue;