From b7819b9259185dcdcc81eb32182a4dc13d695738 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 20 Apr 2017 16:02:55 +0200 Subject: block: remove the blk_execute_rq return value The function only returns -EIO if rq->errors is non-zero, which is not very useful and lets a large number of callers ignore the return value. Just let the callers figure out their error themselves. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn Reviewed-by: Bart Van Assche Signed-off-by: Jens Axboe --- block/blk-exec.c | 8 +------- block/scsi_ioctl.c | 3 ++- 2 files changed, 3 insertions(+), 8 deletions(-) (limited to 'block') diff --git a/block/blk-exec.c b/block/blk-exec.c index 8cd0e9bc8dc8..afa383248c7c 100644 --- a/block/blk-exec.c +++ b/block/blk-exec.c @@ -92,11 +92,10 @@ EXPORT_SYMBOL_GPL(blk_execute_rq_nowait); * Insert a fully prepared request at the back of the I/O scheduler queue * for execution and wait for completion. */ -int blk_execute_rq(struct request_queue *q, struct gendisk *bd_disk, +void blk_execute_rq(struct request_queue *q, struct gendisk *bd_disk, struct request *rq, int at_head) { DECLARE_COMPLETION_ONSTACK(wait); - int err = 0; unsigned long hang_check; rq->end_io_data = &wait; @@ -108,10 +107,5 @@ int blk_execute_rq(struct request_queue *q, struct gendisk *bd_disk, while (!wait_for_completion_io_timeout(&wait, hang_check * (HZ/2))); else wait_for_completion_io(&wait); - - if (rq->errors) - err = -EIO; - - return err; } EXPORT_SYMBOL(blk_execute_rq); diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 82a43bb19967..b1352143f12f 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -547,7 +547,8 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk, scsi_req(rq)->cmd[0] = cmd; scsi_req(rq)->cmd[4] = data; scsi_req(rq)->cmd_len = 6; - err = blk_execute_rq(q, bd_disk, rq, 0); + blk_execute_rq(q, bd_disk, rq, 0); + err = rq->errors ? -EIO : 0; blk_put_request(rq); return err; -- cgit v1.2.3