Commit 6bb30855 authored by Dylan Yudaken's avatar Dylan Yudaken Committed by Jens Axboe
Browse files

io_uring: if a linked request has REQ_F_FORCE_ASYNC then run it async 



REQ_F_FORCE_ASYNC was being ignored for re-queueing linked
requests. Instead obey that flag.

Signed-off-by: default avatarDylan Yudaken <dylany@meta.com>
Link: https://lore.kernel.org/r/20230127135227.3646353-2-dylany@meta.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent f5868008

io_uring/io_uring.c

+5 −3
Original line number Diff line number Diff line
@@ -1417,10 +1417,12 @@ void io_req_task_submit(struct io_kiocb *req, bool *locked) 
{

	io_tw_lock(req->ctx, locked);

	/* req->task == current here, checking PF_EXITING is safe */

	if (likely(!(req->task->flags & PF_EXITING)))

		io_queue_sqe(req);

	else

	if (unlikely(req->task->flags & PF_EXITING))

		io_req_defer_failed(req, -EFAULT);

	else if (req->flags & REQ_F_FORCE_ASYNC)

		io_queue_iowq(req, locked);

	else

		io_queue_sqe(req);

}



void io_req_task_queue_fail(struct io_kiocb *req, int ret)