Commit 8b3656af authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: fix lost cqe->flags 



Don't forget to fill cqe->flags properly in io_submit_flush_completions()

Fixes: a1d7c393 ("io_uring: enable READ/WRITE to use deferred completions")
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 652532ad

fs/io_uring.c

+2 −1
Original line number Diff line number Diff line
@@ -1416,7 +1416,7 @@ static void io_submit_flush_completions(struct io_comp_state *cs) 


		req = list_first_entry(&cs->list, struct io_kiocb, list);

		list_del(&req->list);

		io_cqring_fill_event(req, req->result);

		__io_cqring_fill_event(req, req->result, req->cflags);

		if (!(req->flags & REQ_F_LINK_HEAD)) {

			req->flags |= REQ_F_COMP_LOCKED;

			io_put_req(req);
@@ -1441,6 +1441,7 @@ static void __io_req_complete(struct io_kiocb *req, long res, unsigned cflags, 
		io_put_req(req);

	} else {

		req->result = res;

		req->cflags = cflags;

		list_add_tail(&req->list, &cs->list);

		if (++cs->nr >= 32)

			io_submit_flush_completions(cs);