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net: Kill MSG_SENDPAGE_NOTLAST
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@redhat.com> 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/20230623225513.2732256-17-dhowells@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -319,7 +319,6 @@ struct ucred {
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#define MSG_MORE 0x8000 /* Sender will send more */
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#define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */
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#define MSG_SENDPAGE_NOPOLICY 0x10000 /* sendpage() internal : do no apply policy */
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#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
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#define MSG_BATCH 0x40000 /* sendmmsg(): more messages coming */
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#define MSG_EOF MSG_FIN
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#define MSG_NO_SHARED_FRAGS 0x80000 /* sendpage() internal : page frags are not shared */
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@ -341,8 +340,7 @@ struct ucred {
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/* Flags to be cleared on entry by sendmsg and sendmmsg syscalls */
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#define MSG_INTERNAL_SENDMSG_FLAGS \
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(MSG_SPLICE_PAGES | MSG_SENDPAGE_NOPOLICY | MSG_SENDPAGE_NOTLAST | \
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MSG_SENDPAGE_DECRYPTED)
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(MSG_SPLICE_PAGES | MSG_SENDPAGE_NOPOLICY | MSG_SENDPAGE_DECRYPTED)
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/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
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#define SOL_IP 0
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@ -441,8 +441,7 @@ static int tls_push_data(struct sock *sk,
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long timeo;
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if (flags &
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~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_SENDPAGE_NOTLAST |
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MSG_SPLICE_PAGES))
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~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_SPLICE_PAGES))
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return -EOPNOTSUPP;
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if (unlikely(sk->sk_err))
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@ -127,7 +127,7 @@ int tls_push_sg(struct sock *sk,
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{
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struct bio_vec bvec;
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struct msghdr msg = {
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.msg_flags = MSG_SENDPAGE_NOTLAST | MSG_SPLICE_PAGES | flags,
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.msg_flags = MSG_SPLICE_PAGES | flags,
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};
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int ret = 0;
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struct page *p;
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@ -1194,7 +1194,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
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if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL |
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MSG_CMSG_COMPAT | MSG_SPLICE_PAGES |
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MSG_SENDPAGE_NOTLAST | MSG_SENDPAGE_NOPOLICY))
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MSG_SENDPAGE_NOPOLICY))
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return -EOPNOTSUPP;
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ret = mutex_lock_interruptible(&tls_ctx->tx_lock);
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@ -318,7 +318,6 @@ struct ucred {
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#define MSG_MORE 0x8000 /* Sender will send more */
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#define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */
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#define MSG_SENDPAGE_NOPOLICY 0x10000 /* sendpage() internal : do no apply policy */
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#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
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#define MSG_BATCH 0x40000 /* sendmmsg(): more messages coming */
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#define MSG_EOF MSG_FIN
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#define MSG_NO_SHARED_FRAGS 0x80000 /* sendpage() internal : page frags are not shared */
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@ -8,9 +8,6 @@
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#ifndef MSG_WAITFORONE
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#define MSG_WAITFORONE 0x10000
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#endif
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#ifndef MSG_SENDPAGE_NOTLAST
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#define MSG_SENDPAGE_NOTLAST 0x20000
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#endif
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#ifndef MSG_FASTOPEN
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#define MSG_FASTOPEN 0x20000000
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#endif
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@ -50,7 +47,7 @@ static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
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P_MSG_FLAG(NOSIGNAL);
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P_MSG_FLAG(MORE);
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P_MSG_FLAG(WAITFORONE);
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P_MSG_FLAG(SENDPAGE_NOTLAST);
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P_MSG_FLAG(SPLICE_PAGES);
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P_MSG_FLAG(FASTOPEN);
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P_MSG_FLAG(CMSG_CLOEXEC);
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#undef P_MSG_FLAG
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