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

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

Signed-off-by: Dylan Yudaken <dylany@meta.com>
Link: https://lore.kernel.org/r/20230127135227.3646353-2-dylany@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dylan Yudaken 2023-01-27 05:52:24 -08:00 committed by Jens Axboe
parent f586800854
commit 6bb3085556
1 changed files with 5 additions and 3 deletions
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8
io_uring/io_uring.c
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@ -1417,10 +1417,12 @@ void io_req_task_submit(struct io_kiocb *req, bool *locked)
{ {
io_tw_lock(req->ctx, locked); io_tw_lock(req->ctx, locked);
/* req->task == current here, checking PF_EXITING is safe */ /* req->task == current here, checking PF_EXITING is safe */
if (likely(!(req->task->flags & PF_EXITING))) if (unlikely(req->task->flags & PF_EXITING))
io_queue_sqe(req);
else
io_req_defer_failed(req, -EFAULT); 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) void io_req_task_queue_fail(struct io_kiocb *req, int ret)