io-wq: return next work from ->do_work() directly

It's easier to return next work from ->do_work() than
having an in-out argument. Looks nicer and easier to compile.
Also, merge io_wq_assign_next() into its only user.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2020-06-25 18:20:54 +03:00 • committed by Jens Axboe
commit f4db7182e0
3 changed files with 25 additions and 38 deletions