diff options
| author | David Howells <dhowells@redhat.com> | 2023-06-23 23:55:12 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-24 15:50:13 -0700 |
| commit | dc97391e661009eab46783030d2404c9b6e6f2e7 (patch) | |
| tree | dbfd7c2bff27341b72d5218dde0849d913382bdb /crypto/algif_aead.c | |
| parent | e52828cc0109f511bba1dfb41292833c2fd3b6e6 (diff) | |
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 'crypto/algif_aead.c')
| -rw-r--r-- | crypto/algif_aead.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index 35bfa283748d..7d58cbbce4af 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -9,10 +9,10 @@ * The following concept of the memory management is used: * * The kernel maintains two SGLs, the TX SGL and the RX SGL. The TX SGL is - * filled by user space with the data submitted via sendpage. Filling up - * the TX SGL does not cause a crypto operation -- the data will only be - * tracked by the kernel. Upon receipt of one recvmsg call, the caller must - * provide a buffer which is tracked with the RX SGL. + * filled by user space with the data submitted via sendmsg (maybe with + * MSG_SPLICE_PAGES). Filling up the TX SGL does not cause a crypto operation + * -- the data will only be tracked by the kernel. Upon receipt of one recvmsg + * call, the caller must provide a buffer which is tracked with the RX SGL. * * During the processing of the recvmsg operation, the cipher request is * allocated and prepared. As part of the recvmsg operation, the processed @@ -370,7 +370,6 @@ static struct proto_ops algif_aead_ops = { .release = af_alg_release, .sendmsg = aead_sendmsg, - .sendpage = af_alg_sendpage, .recvmsg = aead_recvmsg, .poll = af_alg_poll, }; @@ -422,18 +421,6 @@ static int aead_sendmsg_nokey(struct socket *sock, struct msghdr *msg, return aead_sendmsg(sock, msg, size); } -static ssize_t aead_sendpage_nokey(struct socket *sock, struct page *page, - int offset, size_t size, int flags) -{ - int err; - - err = aead_check_key(sock); - if (err) - return err; - - return af_alg_sendpage(sock, page, offset, size, flags); -} - static int aead_recvmsg_nokey(struct socket *sock, struct msghdr *msg, size_t ignored, int flags) { @@ -461,7 +448,6 @@ static struct proto_ops algif_aead_ops_nokey = { .release = af_alg_release, .sendmsg = aead_sendmsg_nokey, - .sendpage = aead_sendpage_nokey, .recvmsg = aead_recvmsg_nokey, .poll = af_alg_poll, }; |