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[SCSI] export blk layer functions needed for blk_execute_rq_nowait 

To send async requests we need these two functions exported.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
hifive-unleashed-5.1
Mike Christie 2005-11-11 05:30:24 -06:00 committed by James Bottomley
parent 9e1fe9314c
commit 6e39b69e7e
2 changed files with 10 additions and 1 deletions
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6
block/ll_rw_blk.c
View File

@ -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;

5
include/linux/blkdev.h
View File

@ -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;