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authorMike Christie <michaelc@cs.wisc.edu>2005-11-11 05:30:24 -0600
committerJames Bottomley <jejb@mulgrave.(none)>2005-12-14 19:00:50 -0800
commit6e39b69e7ea9205c5f80aeac3ef999ab8fb1a4cc (patch)
treeabf6bf248970a249cc15e0c3df75ae42833be084
parent[SCSI] handle scsi_add_host failure for aic7xxx and fix compiler warning (diff)
downloadlinux-dev-6e39b69e7ea9205c5f80aeac3ef999ab8fb1a4cc.tar.xz
linux-dev-6e39b69e7ea9205c5f80aeac3ef999ab8fb1a4cc.zip
[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>
-rw-r--r--block/ll_rw_blk.c6
-rw-r--r--include/linux/blkdev.h5
2 files changed, 10 insertions, 1 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 99c9ca6d5992..c525b5a2b598 100644
--- 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 a33a31e71bbc..9a68716dcf75 100644
--- 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;