diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-02-25 00:31:08 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-02-27 17:17:39 +0300 |
| commit | 81cc96fcb3dcfb3d85df4e0eec56149b5b53c016 (patch) | |
| tree | 9a3e742992008c2a4f528daac2ef2168543f2d3a | |
| parent | a14ca7a413ec8a9f9184c543691f890a011ed98a (diff) | |
| download | linux-81cc96fcb3dcfb3d85df4e0eec56149b5b53c016.tar.xz | |
io_uring/net: reuse req->buf_index for sendzc
There is already a field in io_kiocb that can store a registered buffer
index, use that instead of stashing the value into struct io_sr_msg.
Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250224213116.3509093-4-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | io_uring/net.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/io_uring/net.c b/io_uring/net.c index 8283a1f55192..22fa1664a6b1 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -75,7 +75,6 @@ struct io_sr_msg { u16 flags; /* initialised and used only by !msg send variants */ u16 buf_group; - u16 buf_index; bool retry; void __user *msg_control; /* used only for send zerocopy */ @@ -1287,7 +1286,7 @@ int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) zc->len = READ_ONCE(sqe->len); zc->msg_flags = READ_ONCE(sqe->msg_flags) | MSG_NOSIGNAL | MSG_ZEROCOPY; - zc->buf_index = READ_ONCE(sqe->buf_index); + req->buf_index = READ_ONCE(sqe->buf_index); if (zc->msg_flags & MSG_DONTWAIT) req->flags |= REQ_F_NOWAIT; @@ -1363,7 +1362,7 @@ static int io_send_zc_import(struct io_kiocb *req, unsigned int issue_flags) ret = -EFAULT; io_ring_submit_lock(ctx, issue_flags); - node = io_rsrc_node_lookup(&ctx->buf_table, sr->buf_index); + node = io_rsrc_node_lookup(&ctx->buf_table, req->buf_index); if (node) { io_req_assign_buf_node(sr->notif, node); ret = 0; |