From 3d289d68823cbfe86d326400c5386feda777f092 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 2 Aug 2017 10:25:21 +0200 Subject: block: Add comment to submit_bio_wait() submit_bio_wait() does not consume bio reference. Add comment about that. Signed-off-by: Jan Kara Signed-off-by: Jens Axboe --- block/bio.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'block/bio.c') diff --git a/block/bio.c b/block/bio.c index 9a63597aaacc..e241bbc49f14 100644 --- a/block/bio.c +++ b/block/bio.c @@ -936,6 +936,10 @@ static void submit_bio_wait_endio(struct bio *bio) * * Simple wrapper around submit_bio(). Returns 0 on success, or the error from * bio_endio() on failure. + * + * WARNING: Unlike to how submit_bio() is usually used, this function does not + * result in bio reference to be consumed. The caller must drop the reference + * on his own. */ int submit_bio_wait(struct bio *bio) { -- cgit