[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>

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 99c9ca6d5992ab18b3e40fa201423bd3e36a0055..c525b5a2b59849d7af6fb3fe45e8a8699711e085 100644 (file)
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -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;

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a33a31e71bbc6cb02acf3409c926137c8664b882..9a68716dcf75fb3bdb6fe0ccf3db3b5c5b533327 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -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;