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Tue, 18 Mar 2025 17:15:37 -0700 (PDT) Received: from localhost.localdomain ([2620:11a:c019:0:65e:3115:2f58:c5fd]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-225c68a4876sm101281375ad.70.2025.03.18.17.15.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Mar 2025 17:15:37 -0700 (PDT) From: Joe Damato To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, asml.silence@gmail.com, linux-fsdevel@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, horms@kernel.org, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz, kuba@kernel.org, shuah@kernel.org, sdf@fomichev.me, mingo@redhat.com, arnd@arndb.de, brauner@kernel.org, akpm@linux-foundation.org, tglx@linutronix.de, jolsa@kernel.org, linux-kselftest@vger.kernel.org, Joe Damato Subject: [RFC -next 01/10] splice: Add ubuf_info to prepare for ZC Date: Wed, 19 Mar 2025 00:15:12 +0000 Message-ID: <20250319001521.53249-2-jdamato@fastly.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250319001521.53249-1-jdamato@fastly.com> References: <20250319001521.53249-1-jdamato@fastly.com> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Update struct splice_desc to include ubuf_info to prepare splice for zero copy notifications. Signed-off-by: Joe Damato --- include/linux/splice.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/splice.h b/include/linux/splice.h index 9dec4861d09f..7477df3916e2 100644 --- a/include/linux/splice.h +++ b/include/linux/splice.h @@ -10,6 +10,7 @@ #define SPLICE_H #include +#include /* * Flags passed in from splice/tee/vmsplice @@ -43,6 +44,7 @@ struct splice_desc { loff_t *opos; /* sendfile: output position */ size_t num_spliced; /* number of bytes already spliced */ bool need_wakeup; /* need to wake up writer */ + struct ubuf_info *ubuf_info; /* zerocopy infrastructure */ }; struct partial_page { -- 2.43.0