diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2024-04-08 02:54:57 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-04-15 17:10:26 +0300 |
| commit | d285da7dbd3b3cc9b4cf822039a87ca4e4106ecf (patch) | |
| tree | f82b8dbbb9bf6ff226237b3c66bf47a0d09d33a9 /io_uring | |
| parent | 6b7f864bb70591b1ba8f538c13de2a8396bfec8a (diff) | |
| download | linux-d285da7dbd3b3cc9b4cf822039a87ca4e4106ecf.tar.xz | |
io_uring/net: set MSG_ZEROCOPY for sendzc in advance
We can set MSG_ZEROCOPY at the preparation step, do it so we don't have
to care about it later in the issue callback.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/c2c22aaa577624977f045979a6db2b9fb2e5648c.1712534031.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/net.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/io_uring/net.c b/io_uring/net.c index 688fee3a0c53..a1da8a2ebf15 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1050,7 +1050,7 @@ int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) zc->buf = u64_to_user_ptr(READ_ONCE(sqe->addr)); zc->len = READ_ONCE(sqe->len); - zc->msg_flags = READ_ONCE(sqe->msg_flags) | MSG_NOSIGNAL; + zc->msg_flags = READ_ONCE(sqe->msg_flags) | MSG_NOSIGNAL | MSG_ZEROCOPY; if (zc->msg_flags & MSG_DONTWAIT) req->flags |= REQ_F_NOWAIT; @@ -1167,7 +1167,7 @@ int io_send_zc(struct io_kiocb *req, unsigned int issue_flags) return ret; } - msg_flags = zc->msg_flags | MSG_ZEROCOPY; + msg_flags = zc->msg_flags; if (issue_flags & IO_URING_F_NONBLOCK) msg_flags |= MSG_DONTWAIT; if (msg_flags & MSG_WAITALL) @@ -1229,7 +1229,7 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags) (sr->flags & IORING_RECVSEND_POLL_FIRST)) return -EAGAIN; - flags = sr->msg_flags | MSG_ZEROCOPY; + flags = sr->msg_flags; if (issue_flags & IO_URING_F_NONBLOCK) flags |= MSG_DONTWAIT; if (flags & MSG_WAITALL) |