From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Christie Subject: [PATCH RFT/RFC 1/4] export block layer helpers Date: Fri, 30 Sep 2005 14:42:12 -0500 Message-ID: <1128109332.24395.22.camel@max> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: dm-devel@redhat.com List-Id: dm-devel.ids Export some block layer helpers need to perform async operations. Signed-off-by: Mike Christie diff --git a/drivers/block/ll_rw_blk.c b/drivers/block/ll_rw_blk.c --- a/drivers/block/ll_rw_blk.c +++ b/drivers/block/ll_rw_blk.c @@ -2302,6 +2302,8 @@ void blk_execute_rq_nowait(request_queue 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 @@ -2445,7 +2447,7 @@ void disk_round_stats(struct gendisk *di /* * 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_qu } } +EXPORT_SYMBOL_GPL(__blk_put_request); + void blk_put_request(struct request *req) { /* diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -548,6 +548,7 @@ extern void blk_unregister_queue(struct 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, int); @@ -569,6 +570,10 @@ extern int blk_rq_map_kern(request_queue 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;