io_uring: refactor io_submit_sqe()
Remove one extra if for non-linked path of io_submit_sqe(). Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/03183199d1bf494b4a72eca16d792c8a5945acb4.1650056133.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Родитель
df3becde8d
Коммит
924a07e482
|
@ -7765,7 +7765,7 @@ static inline int io_submit_sqe(struct io_ring_ctx *ctx, struct io_kiocb *req,
|
|||
* submitted sync once the chain is complete. If none of those
|
||||
* conditions are true (normal request), then just queue it.
|
||||
*/
|
||||
if (link->head) {
|
||||
if (unlikely(link->head)) {
|
||||
ret = io_req_prep_async(req);
|
||||
if (unlikely(ret))
|
||||
return io_submit_fail_init(sqe, req, ret);
|
||||
|
@ -7779,17 +7779,22 @@ static inline int io_submit_sqe(struct io_ring_ctx *ctx, struct io_kiocb *req,
|
|||
/* last request of the link, flush it */
|
||||
req = link->head;
|
||||
link->head = NULL;
|
||||
} else if (req->flags & IO_REQ_LINK_FLAGS) {
|
||||
link->head = req;
|
||||
link->last = req;
|
||||
if (req->flags & (REQ_F_FORCE_ASYNC | REQ_F_FAIL))
|
||||
goto fallback;
|
||||
|
||||
} else if (unlikely(req->flags & (IO_REQ_LINK_FLAGS |
|
||||
REQ_F_FORCE_ASYNC | REQ_F_FAIL))) {
|
||||
if (req->flags & IO_REQ_LINK_FLAGS) {
|
||||
link->head = req;
|
||||
link->last = req;
|
||||
} else {
|
||||
fallback:
|
||||
io_queue_sqe_fallback(req);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (likely(!(req->flags & (REQ_F_FORCE_ASYNC | REQ_F_FAIL))))
|
||||
io_queue_sqe(req);
|
||||
else
|
||||
io_queue_sqe_fallback(req);
|
||||
|
||||
io_queue_sqe(req);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
Загрузка…
Ссылка в новой задаче