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? Otherwise looks fine. -- Jens Axboe