Commit cdbff982 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: clean io_req_find_next() fast check 



Indirectly io_req_find_next() is called for every request, optimise the
check by testing flags as it was long before -- __io_req_find_next()
tolerates false-positives well (i.e. link==NULL), and those should be
really rare.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent dc0eced5

fs/io_uring.c

+1 −1
Original line number Diff line number Diff line
@@ -2172,7 +2172,7 @@ static struct io_kiocb *__io_req_find_next(struct io_kiocb *req) 


static inline struct io_kiocb *io_req_find_next(struct io_kiocb *req)

{

	if (likely(!(req->link) && !(req->flags & REQ_F_LINK_TIMEOUT)))

	if (likely(!(req->flags & (REQ_F_LINK|REQ_F_HARDLINK))))

		return NULL;

	return __io_req_find_next(req);

}