[PATCH net-next v2 17/17] net: Kill MSG_SENDPAGE_NOTLAST
David Howells
dhowells at redhat.com
Sat Jun 17 05:11:46 PDT 2023
Now that ->sendpage() has been removed, MSG_SENDPAGE_NOTLAST can be cleaned
up. Things were converted to use MSG_MORE instead, but the protocol
sendpage stubs still convert MSG_SENDPAGE_NOTLAST to MSG_MORE, which is now
unnecessary.
Signed-off-by: David Howells <dhowells at redhat.com>
cc: "David S. Miller" <davem at davemloft.net>
cc: Eric Dumazet <edumazet at google.com>
cc: Jakub Kicinski <kuba at kernel.org>
cc: Paolo Abeni <pabeni at redhat.com>
cc: Jens Axboe <axboe at kernel.dk>
cc: Matthew Wilcox <willy at infradead.org>
cc: bpf at vger.kernel.org
cc: dccp at vger.kernel.org
cc: linux-afs at lists.infradead.org
cc: linux-arm-msm at vger.kernel.org
cc: linux-can at vger.kernel.org
cc: linux-crypto at vger.kernel.org
cc: linux-doc at vger.kernel.org
cc: linux-hams at vger.kernel.org
cc: linux-perf-users at vger.kernel.org
cc: linux-rdma at vger.kernel.org
cc: linux-sctp at vger.kernel.org
cc: linux-wpan at vger.kernel.org
cc: linux-x25 at vger.kernel.org
cc: mptcp at lists.linux.dev
cc: netdev at vger.kernel.org
cc: rds-devel at oss.oracle.com
cc: tipc-discussion at lists.sourceforge.net
cc: virtualization at lists.linux-foundation.org
---
include/linux/socket.h | 4 +---
net/ipv4/tcp_bpf.c | 4 +++-
net/tls/tls_device.c | 3 +--
net/tls/tls_main.c | 2 +-
net/tls/tls_sw.c | 2 +-
tools/perf/trace/beauty/include/linux/socket.h | 1 -
tools/perf/trace/beauty/msg_flags.c | 3 ---
7 files changed, 7 insertions(+), 12 deletions(-)
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 58204700018a..39b74d83c7c4 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -319,7 +319,6 @@ struct ucred {
#define MSG_MORE 0x8000 /* Sender will send more */
#define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */
#define MSG_SENDPAGE_NOPOLICY 0x10000 /* sendpage() internal : do no apply policy */
-#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
#define MSG_BATCH 0x40000 /* sendmmsg(): more messages coming */
#define MSG_EOF MSG_FIN
#define MSG_NO_SHARED_FRAGS 0x80000 /* sendpage() internal : page frags are not shared */
@@ -341,8 +340,7 @@ struct ucred {
/* Flags to be cleared on entry by sendmsg and sendmmsg syscalls */
#define MSG_INTERNAL_SENDMSG_FLAGS \
- (MSG_SPLICE_PAGES | MSG_SENDPAGE_NOPOLICY | MSG_SENDPAGE_NOTLAST | \
- MSG_SENDPAGE_DECRYPTED)
+ (MSG_SPLICE_PAGES | MSG_SENDPAGE_NOPOLICY | MSG_SENDPAGE_DECRYPTED)
/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
#define SOL_IP 0
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c
index 870c1cde4010..8f535e436ea3 100644
--- a/net/ipv4/tcp_bpf.c
+++ b/net/ipv4/tcp_bpf.c
@@ -90,7 +90,9 @@ static int tcp_bpf_push(struct sock *sk, struct sk_msg *msg, u32 apply_bytes,
{
bool apply = apply_bytes;
struct scatterlist *sge;
- struct msghdr msghdr = { .msg_flags = flags | MSG_SPLICE_PAGES, };
+ struct msghdr msghdr = {
+ .msg_flags = flags | MSG_SPLICE_PAGES | MSG_MORE,
+ };
struct page *page;
int size, ret = 0;
u32 off;
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 840ee06f1708..2021fe557e50 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -441,8 +441,7 @@ static int tls_push_data(struct sock *sk,
long timeo;
if (flags &
- ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_SENDPAGE_NOTLAST |
- MSG_SPLICE_PAGES))
+ ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_SPLICE_PAGES))
return -EOPNOTSUPP;
if (unlikely(sk->sk_err))
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index d5ed4d47b16e..b6896126bb92 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -127,7 +127,7 @@ int tls_push_sg(struct sock *sk,
{
struct bio_vec bvec;
struct msghdr msg = {
- .msg_flags = MSG_SENDPAGE_NOTLAST | MSG_SPLICE_PAGES | flags,
+ .msg_flags = MSG_SPLICE_PAGES | flags,
};
int ret = 0;
struct page *p;
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 9b3aa89a4292..53f944e6d8ef 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1194,7 +1194,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL |
MSG_CMSG_COMPAT | MSG_SPLICE_PAGES |
- MSG_SENDPAGE_NOTLAST | MSG_SENDPAGE_NOPOLICY))
+ MSG_SENDPAGE_NOPOLICY))
return -EOPNOTSUPP;
ret = mutex_lock_interruptible(&tls_ctx->tx_lock);
diff --git a/tools/perf/trace/beauty/include/linux/socket.h b/tools/perf/trace/beauty/include/linux/socket.h
index 13c3a237b9c9..3bef212a24d7 100644
--- a/tools/perf/trace/beauty/include/linux/socket.h
+++ b/tools/perf/trace/beauty/include/linux/socket.h
@@ -318,7 +318,6 @@ struct ucred {
#define MSG_MORE 0x8000 /* Sender will send more */
#define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */
#define MSG_SENDPAGE_NOPOLICY 0x10000 /* sendpage() internal : do no apply policy */
-#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
#define MSG_BATCH 0x40000 /* sendmmsg(): more messages coming */
#define MSG_EOF MSG_FIN
#define MSG_NO_SHARED_FRAGS 0x80000 /* sendpage() internal : page frags are not shared */
diff --git a/tools/perf/trace/beauty/msg_flags.c b/tools/perf/trace/beauty/msg_flags.c
index ea68db08b8e7..b5b580e5a77e 100644
--- a/tools/perf/trace/beauty/msg_flags.c
+++ b/tools/perf/trace/beauty/msg_flags.c
@@ -8,9 +8,6 @@
#ifndef MSG_WAITFORONE
#define MSG_WAITFORONE 0x10000
#endif
-#ifndef MSG_SENDPAGE_NOTLAST
-#define MSG_SENDPAGE_NOTLAST 0x20000
-#endif
#ifndef MSG_FASTOPEN
#define MSG_FASTOPEN 0x20000000
#endif
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