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authorPavel Begunkov <asml.silence@gmail.com>2022-09-08 13:20:34 +0100
committerJens Axboe <axboe@kernel.dk>2022-09-21 10:30:43 -0600
commitac9e5784bbe72f4f603d1af84760ec09bc0b5ccd (patch)
tree6fbe0e11d65d808fbbfa250d81b97eb5ca9752d4 /io_uring/net.c
parent0b048557db761d287777360a100e1d010760d209 (diff)
downloadlinux-ac9e5784bbe72f4f603d1af84760ec09bc0b5ccd.tar.bz2
io_uring/net: use io_sr_msg for sendzc
Reuse struct io_sr_msg for zerocopy sends, which is handy. There is only one zerocopy specific field, namely .notif, and we have enough space for it. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/408c5b1b2d8869e1a12da5f5a78ed72cac112149.1662639236.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/net.c')
-rw-r--r--io_uring/net.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/io_uring/net.c b/io_uring/net.c
index 3ef2cc54420c..97168c7ace26 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -59,15 +59,7 @@ struct io_sr_msg {
unsigned done_io;
unsigned msg_flags;
u16 flags;
-};
-
-struct io_sendzc {
- struct file *file;
- void __user *buf;
- unsigned len;
- unsigned done_io;
- unsigned msg_flags;
- u16 flags;
+ /* used only for sendzc */
u16 addr_len;
void __user *addr;
struct io_kiocb *notif;
@@ -190,7 +182,7 @@ static int io_sendmsg_copy_hdr(struct io_kiocb *req,
int io_sendzc_prep_async(struct io_kiocb *req)
{
- struct io_sendzc *zc = io_kiocb_to_cmd(req, struct io_sendzc);
+ struct io_sr_msg *zc = io_kiocb_to_cmd(req, struct io_sr_msg);
struct io_async_msghdr *io;
int ret;
@@ -890,7 +882,7 @@ out_free:
void io_sendzc_cleanup(struct io_kiocb *req)
{
- struct io_sendzc *zc = io_kiocb_to_cmd(req, struct io_sendzc);
+ struct io_sr_msg *zc = io_kiocb_to_cmd(req, struct io_sr_msg);
zc->notif->flags |= REQ_F_CQE_SKIP;
io_notif_flush(zc->notif);
@@ -899,7 +891,7 @@ void io_sendzc_cleanup(struct io_kiocb *req)
int io_sendzc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
{
- struct io_sendzc *zc = io_kiocb_to_cmd(req, struct io_sendzc);
+ struct io_sr_msg *zc = io_kiocb_to_cmd(req, struct io_sr_msg);
struct io_ring_ctx *ctx = req->ctx;
struct io_kiocb *notif;
@@ -1009,7 +1001,7 @@ static int io_sg_from_iter(struct sock *sk, struct sk_buff *skb,
int io_sendzc(struct io_kiocb *req, unsigned int issue_flags)
{
struct sockaddr_storage __address, *addr = NULL;
- struct io_sendzc *zc = io_kiocb_to_cmd(req, struct io_sendzc);
+ struct io_sr_msg *zc = io_kiocb_to_cmd(req, struct io_sr_msg);
struct msghdr msg;
struct iovec iov;
struct socket *sock;