On 2/24/20 8:48 AM, Pavel Begunkov wrote: > On 24/02/2020 18:30, Jens Axboe wrote: >> On 2/24/20 1:30 AM, Pavel Begunkov wrote: >>> io_prep_async_worker() called io_wq_assign_next() do many useless checks: >>> io_req_work_grab_env() was already called during prep, and @do_hashed >>> is not ever used. Add io_prep_next_work() -- simplified version, that >>> can be called io-wq. >>> >>> Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> >>> --- >>> fs/io_uring.c | 13 ++++++++++++- >>> 1 file changed, 12 insertions(+), 1 deletion(-) >>> >>> diff --git a/fs/io_uring.c b/fs/io_uring.c >>> index 819661f49023..3003e767ced3 100644 >>> --- a/fs/io_uring.c >>> +++ b/fs/io_uring.c >>> @@ -955,6 +955,17 @@ static inline void io_req_work_drop_env(struct io_kiocb *req) >>> } >>> } >>> >>> +static inline void io_prep_next_work(struct io_kiocb *req, >>> + struct io_kiocb **link) >>> +{ >>> + const struct io_op_def *def = &io_op_defs[req->opcode]; >>> + >>> + if (!(req->flags & REQ_F_ISREG) && def->unbound_nonreg_file) >>> + req->work.flags |= IO_WQ_WORK_UNBOUND; >> >> Extra tab? > > Yep. Would resending [2/3] be enough? No need, I just did a hand edit of the patch before applying. -- Jens Axboe