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io_uring: remove unneeded io_send_zc accounting

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zc->len and zc->buf are not actually used once you get to the retry
stage. The buffer remains in kmsg->msg.msg_iter, which is setup in
io_send_setup.
Note: it still seems needed in io_send due to io_send_select_buffer
needing it (for the len parameter).

Signed-off-by: Dylan Yudaken <dyudaken@gmail.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dylan Yudaken
2026-02-15 23:15:23 +00:00
committed by Jens Axboe
parent 600b665b90
commit 046fcc83ac
1 changed files with 0 additions and 2 deletions
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2
io_uring/net.c
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@@ -1493,8 +1493,6 @@ int io_send_zc(struct io_kiocb *req, unsigned int issue_flags)
return -EAGAIN;
if (ret > 0 && io_net_retry(sock, kmsg->msg.msg_flags)) {
zc->len -= ret;
zc->buf += ret;
zc->done_io += ret;
return -EAGAIN;
}