Commit 12120077 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: export blk_finish_request 



This allows to mirror the blk-mq code flow for more a more readable I/O
completion handler in SCSI.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent f88a164b

block/blk-core.c

+2 −1
Original line number Diff line number Diff line
@@ -2497,7 +2497,7 @@ EXPORT_SYMBOL_GPL(blk_unprep_request); 
/*

 * queue lock must be held

 */

static void blk_finish_request(struct request *req, int error)

void blk_finish_request(struct request *req, int error)

{

	if (blk_rq_tagged(req))

		blk_queue_end_tag(req->q, req);
@@ -2523,6 +2523,7 @@ static void blk_finish_request(struct request *req, int error) 
		__blk_put_request(req->q, req);

	}

}

EXPORT_SYMBOL(blk_finish_request);



/**

 * blk_end_bidi_request - Complete a bidi request

include/linux/blkdev.h

+1 −0
Original line number Diff line number Diff line
@@ -936,6 +936,7 @@ extern struct request *blk_fetch_request(struct request_queue *q); 
 */

extern bool blk_update_request(struct request *rq, int error,

			       unsigned int nr_bytes);

extern void blk_finish_request(struct request *rq, int error);

extern bool blk_end_request(struct request *rq, int error,

			    unsigned int nr_bytes);

extern void blk_end_request_all(struct request *rq, int error);

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