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Message-Id: <1397634299-7466-9-git-send-email-hch@lst.de>
Date: Wed, 16 Apr 2014 09:44:59 +0200
From: Christoph Hellwig <hch@....de>
To: Jens Axboe <axboe@...nel.dk>
Cc: linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: [PATCH 8/8] 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@....de>
---
block/blk-core.c | 3 ++-
include/linux/blkdev.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index 90b6e63..c426970 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -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
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 7128808..20b26d4 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -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);
--
1.7.10.4
--
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