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authorDavid Howells <dhowells@redhat.com>2023-06-24 01:55:12 +0300
committerJakub Kicinski <kuba@kernel.org>2023-06-25 01:50:13 +0300
commitdc97391e661009eab46783030d2404c9b6e6f2e7 (patch)
treedbfd7c2bff27341b72d5218dde0849d913382bdb /net/socket.c
parente52828cc0109f511bba1dfb41292833c2fd3b6e6 (diff)
downloadlinux-dc97391e661009eab46783030d2404c9b6e6f2e7.tar.xz
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
Remove ->sendpage() and ->sendpage_locked(). sendmsg() with MSG_SPLICE_PAGES should be used instead. This allows multiple pages and multipage folios to be passed through. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for net/can cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> cc: linux-afs@lists.infradead.org cc: mptcp@lists.linux.dev cc: rds-devel@oss.oracle.com cc: tipc-discussion@lists.sourceforge.net cc: virtualization@lists.linux-foundation.org Link: https://lore.kernel.org/r/20230623225513.2732256-16-dhowells@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/net/socket.c b/net/socket.c
index b778fc03c6e0..8c3c8b29995a 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -3553,54 +3553,6 @@ int kernel_getpeername(struct socket *sock, struct sockaddr *addr)
EXPORT_SYMBOL(kernel_getpeername);
/**
- * kernel_sendpage - send a &page through a socket (kernel space)
- * @sock: socket
- * @page: page
- * @offset: page offset
- * @size: total size in bytes
- * @flags: flags (MSG_DONTWAIT, ...)
- *
- * Returns the total amount sent in bytes or an error.
- */
-
-int kernel_sendpage(struct socket *sock, struct page *page, int offset,
- size_t size, int flags)
-{
- if (sock->ops->sendpage) {
- /* Warn in case the improper page to zero-copy send */
- WARN_ONCE(!sendpage_ok(page), "improper page for zero-copy send");
- return sock->ops->sendpage(sock, page, offset, size, flags);
- }
- return sock_no_sendpage(sock, page, offset, size, flags);
-}
-EXPORT_SYMBOL(kernel_sendpage);
-
-/**
- * kernel_sendpage_locked - send a &page through the locked sock (kernel space)
- * @sk: sock
- * @page: page
- * @offset: page offset
- * @size: total size in bytes
- * @flags: flags (MSG_DONTWAIT, ...)
- *
- * Returns the total amount sent in bytes or an error.
- * Caller must hold @sk.
- */
-
-int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset,
- size_t size, int flags)
-{
- struct socket *sock = sk->sk_socket;
-
- if (sock->ops->sendpage_locked)
- return sock->ops->sendpage_locked(sk, page, offset, size,
- flags);
-
- return sock_no_sendpage_locked(sk, page, offset, size, flags);
-}
-EXPORT_SYMBOL(kernel_sendpage_locked);
-
-/**
* kernel_sock_shutdown - shut down part of a full-duplex connection (kernel space)
* @sock: socket
* @how: connection part