tree 39ff33d7b3507609ddb89cda8f6faba412f8d8a8
parent 56080b02ed6e71fbc0add2d05a32ed7361dd736a
author Pavel Begunkov <asml.silence@gmail.com> 1590514445 +0300
committer Jens Axboe <axboe@kernel.dk> 1590521469 -0600

io_uring: separate DRAIN flushing into a cold path

io_commit_cqring() assembly doesn't look good with extra code handling
drained requests. IOSQE_IO_DRAIN is slow and discouraged to be used in
a hot path, so try to minimise its impact by putting it into a helper
and doing a fast check.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>