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io_uring/net: dedup io_recv_finish req completion

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There are two block in io_recv_finish() completing the request, which we
can combine and remove jumping.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/0e338dcb33c88de83809fda021cba9e7c9681620.1709905727.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2024-03-08 13:55:58 +00:00 committed by Jens Axboe
parent e0e4ab52d1
commit 1af04699c5
1 changed files with 4 additions and 12 deletions
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16
io_uring/net.c
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@ -694,20 +694,12 @@ static inline bool io_recv_finish(struct io_kiocb *req, int *ret,
if (msg->msg_inq > 0) if (msg->msg_inq > 0)
cflags |= IORING_CQE_F_SOCK_NONEMPTY; cflags |= IORING_CQE_F_SOCK_NONEMPTY;
if (!(req->flags & REQ_F_APOLL_MULTISHOT)) {
io_req_set_res(req, *ret, cflags);
*ret = IOU_OK;
return true;
}
if (mshot_finished)
goto finish;
/* /*
* Fill CQE for this receive and see if we should keep trying to * Fill CQE for this receive and see if we should keep trying to
* receive from this socket. * receive from this socket.
*/ */
if (io_fill_cqe_req_aux(req, issue_flags & IO_URING_F_COMPLETE_DEFER, if ((req->flags & REQ_F_APOLL_MULTISHOT) && !mshot_finished &&
io_fill_cqe_req_aux(req, issue_flags & IO_URING_F_COMPLETE_DEFER,
*ret, cflags | IORING_CQE_F_MORE)) { *ret, cflags | IORING_CQE_F_MORE)) {
struct io_sr_msg *sr = io_kiocb_to_cmd(req, struct io_sr_msg); struct io_sr_msg *sr = io_kiocb_to_cmd(req, struct io_sr_msg);
int mshot_retry_ret = IOU_ISSUE_SKIP_COMPLETE; int mshot_retry_ret = IOU_ISSUE_SKIP_COMPLETE;
@ -727,8 +719,8 @@ static inline bool io_recv_finish(struct io_kiocb *req, int *ret,
*ret = -EAGAIN; *ret = -EAGAIN;
return true; return true;
} }
/* Otherwise stop multishot but use the current result. */
finish: /* Finish the request / stop multishot. */
io_req_set_res(req, *ret, cflags); io_req_set_res(req, *ret, cflags);
if (issue_flags & IO_URING_F_MULTISHOT) if (issue_flags & IO_URING_F_MULTISHOT)