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 >> --- >> 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? > Otherwise looks fine. > -- Pavel Begunkov