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authorChristoph Hellwig <hch@lst.de>2017-04-20 16:02:55 +0200
committerJens Axboe <axboe@fb.com>2017-04-20 12:16:10 -0600
commitb7819b9259185dcdcc81eb32182a4dc13d695738 (patch)
tree96d76ffadf2718b65faf6004b734ed6b094f30ae /block/blk-exec.c
parent75a500ef6ecb6266d4d1347fc7eb4b298b566b3b (diff)
downloadlinux-0-day-b7819b9259185dcdcc81eb32182a4dc13d695738.tar.gz
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 <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-exec.c')
-rw-r--r--block/blk-exec.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/block/blk-exec.c b/block/blk-exec.c
index 8cd0e9b..afa3832 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);