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| author | Jan Kara <jack@suse.cz> | 2017-08-02 10:25:21 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-08-02 08:25:04 -0600 |
| commit | 3d289d68823cbfe86d326400c5386feda777f092 (patch) | |
| tree | fe1ad691a3454b7d7445854df3e521fc8c678a69 /block | |
| parent | b7a71e66d4d274d627cabc17c5e41330bcf47c2d (diff) | |
| download | linux-3d289d68823cbfe86d326400c5386feda777f092.tar.gz linux-3d289d68823cbfe86d326400c5386feda777f092.tar.bz2 linux-3d289d68823cbfe86d326400c5386feda777f092.zip | |
block: Add comment to submit_bio_wait()
submit_bio_wait() does not consume bio reference. Add comment about
that.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/bio.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) { |