diff options
Diffstat (limited to 'block/ll_rw_blk.c')
| -rw-r--r-- | block/ll_rw_blk.c | 61 |
1 files changed, 15 insertions, 46 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 4889f7a8c2b..4bd1803919c 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -3432,6 +3432,20 @@ static void blk_recalc_rq_sectors(struct request *rq, int nsect) } } +/** + * __end_that_request_first - end I/O on a request + * @req: the request being processed + * @uptodate: 1 for success, 0 for I/O error, < 0 for specific error + * @nr_bytes: number of bytes to complete + * + * Description: + * Ends I/O on a number of bytes attached to @req, and sets it up + * for the next range of segments (if any) in the cluster. + * + * Return: + * 0 - we are done with this request, call end_that_request_last() + * 1 - still buffers pending for this request + **/ static int __end_that_request_first(struct request *req, int uptodate, int nr_bytes) { @@ -3548,49 +3562,6 @@ static int __end_that_request_first(struct request *req, int uptodate, return 1; } -/** - * end_that_request_first - end I/O on a request - * @req: the request being processed - * @uptodate: 1 for success, 0 for I/O error, < 0 for specific error - * @nr_sectors: number of sectors to end I/O on - * - * Description: - * Ends I/O on a number of sectors attached to @req, and sets it up - * for the next range of segments (if any) in the cluster. - * - * Return: - * 0 - we are done with this request, call end_that_request_last() - * 1 - still buffers pending for this request - **/ -int end_that_request_first(struct request *req, int uptodate, int nr_sectors) -{ - return __end_that_request_first(req, uptodate, nr_sectors << 9); -} - -EXPORT_SYMBOL(end_that_request_first); - -/** - * end_that_request_chunk - end I/O on a request - * @req: the request being processed - * @uptodate: 1 for success, 0 for I/O error, < 0 for specific error - * @nr_bytes: number of bytes to complete - * - * Description: - * Ends I/O on a number of bytes attached to @req, and sets it up - * for the next range of segments (if any). Like end_that_request_first(), - * but deals with bytes instead of sectors. - * - * Return: - * 0 - we are done with this request, call end_that_request_last() - * 1 - still buffers pending for this request - **/ -int end_that_request_chunk(struct request *req, int uptodate, int nr_bytes) -{ - return __end_that_request_first(req, uptodate, nr_bytes); -} - -EXPORT_SYMBOL(end_that_request_chunk); - /* * splice the completion data to a local structure and hand off to * process_completion_queue() to complete the requests @@ -3670,7 +3641,7 @@ EXPORT_SYMBOL(blk_complete_request); /* * queue lock must be held */ -void end_that_request_last(struct request *req, int uptodate) +static void end_that_request_last(struct request *req, int uptodate) { struct gendisk *disk = req->rq_disk; int error; @@ -3705,8 +3676,6 @@ void end_that_request_last(struct request *req, int uptodate) __blk_put_request(req->q, req); } -EXPORT_SYMBOL(end_that_request_last); - static inline void __end_request(struct request *rq, int uptodate, unsigned int nr_bytes) { |