@@ -1430,17 +1430,10 @@ int io_socket(struct io_kiocb *req, unsigned int issue_flags)
return IOU_OK;
}
-int io_connect_prep_async(struct io_kiocb *req)
-{
- struct io_async_connect *io = req->async_data;
- struct io_connect *conn = io_kiocb_to_cmd(req, struct io_connect);
-
- return move_addr_to_kernel(conn->addr, conn->addr_len, &io->address);
-}
-
int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
{
struct io_connect *conn = io_kiocb_to_cmd(req, struct io_connect);
+ struct io_async_msghdr *io;
if (sqe->len || sqe->buf_index || sqe->rw_flags || sqe->splice_fd_in)
return -EINVAL;
@@ -1448,32 +1441,26 @@ int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
conn->addr = u64_to_user_ptr(READ_ONCE(sqe->addr));
conn->addr_len = READ_ONCE(sqe->addr2);
conn->in_progress = conn->seen_econnaborted = false;
- return 0;
+
+ io = io_msg_alloc_async(req);
+ if (unlikely(!io))
+ return -ENOMEM;
+
+ return move_addr_to_kernel(conn->addr, conn->addr_len, &io->addr);
}
int io_connect(struct io_kiocb *req, unsigned int issue_flags)
{
struct io_connect *connect = io_kiocb_to_cmd(req, struct io_connect);
- struct io_async_connect __io, *io;
+ struct io_async_msghdr *io = req->async_data;
unsigned file_flags;
int ret;
bool force_nonblock = issue_flags & IO_URING_F_NONBLOCK;
- if (req_has_async_data(req)) {
- io = req->async_data;
- } else {
- ret = move_addr_to_kernel(connect->addr,
- connect->addr_len,
- &__io.address);
- if (ret)
- goto out;
- io = &__io;
- }
-
file_flags = force_nonblock ? O_NONBLOCK : 0;
- ret = __sys_connect_file(req->file, &io->address,
- connect->addr_len, file_flags);
+ ret = __sys_connect_file(req->file, &io->addr, connect->addr_len,
+ file_flags);
if ((ret == -EAGAIN || ret == -EINPROGRESS || ret == -ECONNABORTED)
&& force_nonblock) {
if (ret == -EINPROGRESS) {
@@ -1483,13 +1470,6 @@ int io_connect(struct io_kiocb *req, unsigned int issue_flags)
goto out;
connect->seen_econnaborted = true;
}
- if (req_has_async_data(req))
- return -EAGAIN;
- if (io_alloc_async_data(req)) {
- ret = -ENOMEM;
- goto out;
- }
- memcpy(req->async_data, &__io, sizeof(__io));
return -EAGAIN;
}
if (connect->in_progress) {
@@ -1507,6 +1487,7 @@ int io_connect(struct io_kiocb *req, unsigned int issue_flags)
out:
if (ret < 0)
req_set_fail(req);
+ io_req_msg_cleanup(req, issue_flags);
io_req_set_res(req, ret, 0);
return IOU_OK;
}
@@ -28,10 +28,6 @@ struct io_async_msghdr {
#if defined(CONFIG_NET)
-struct io_async_connect {
- struct sockaddr_storage address;
-};
-
int io_shutdown_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_shutdown(struct io_kiocb *req, unsigned int issue_flags);
@@ -53,7 +49,6 @@ int io_accept(struct io_kiocb *req, unsigned int issue_flags);
int io_socket_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_socket(struct io_kiocb *req, unsigned int issue_flags);
-int io_connect_prep_async(struct io_kiocb *req);
int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_connect(struct io_kiocb *req, unsigned int issue_flags);
@@ -557,8 +557,7 @@ const struct io_cold_def io_cold_defs[] = {
[IORING_OP_CONNECT] = {
.name = "CONNECT",
#if defined(CONFIG_NET)
- .async_size = sizeof(struct io_async_connect),
- .prep_async = io_connect_prep_async,
+ .async_size = sizeof(struct io_async_msghdr),
#endif
},
[IORING_OP_FALLOCATE] = {
While doing that, get rid of io_async_connect and just use the generic io_async_msghdr. Both of them have a struct sockaddr_storage in there, and while io_async_msghdr is bigger, if the same type can be used then we get recycling for free. Signed-off-by: Jens Axboe <axboe@kernel.dk> --- io_uring/net.c | 41 +++++++++++------------------------------ io_uring/net.h | 5 ----- io_uring/opdef.c | 3 +-- 3 files changed, 12 insertions(+), 37 deletions(-)