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: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2014-04-16 09:44:59 +02:00 committed by Jens Axboe
parent f88a164b72
commit 12120077b2
2 changed files with 3 additions and 1 deletions

View File

@ -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

View File

@ -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);