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Miller" , ocfs2-devel@oss.oracle.com Subject: [Ocfs2-devel] [PATCH net-next v5 14/16] ocfs2: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage() X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: David Howells via Ocfs2-devel Reply-to: David Howells Content-type: text/plain; charset="us-ascii" Content-transfer-encoding: 7bit Errors-to: ocfs2-devel-bounces@oss.oracle.com X-MC-Unique: a9340YSgPS-PNmqg9L7xcg-1 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 X-Proofpoint-SPF-Result: pass X-Proofpoint-SPF-Record: v=spf1 ip4:107.21.15.141 ip4:108.177.8.0/21 ip4:128.17.0.0/20 ip4:128.17.128.0/20 ip4:128.17.192.0/20 ip4:128.17.64.0/20 ip4:128.245.0.0/20 ip4:128.245.64.0/20 ip4:13.110.208.0/21 ip4:13.110.216.0/22 ip4:13.110.224.0/20 ip4:13.111.0.0/16 ip4:136.147.128.0/20 ip4:136.147.176.0/20 ip4:148.105.8.0/21 ip4:149.72.0.0/16 ip4:159.183.0.0/16 include:spf1.redhat.com -all X-Proofpoint-SPF-VenPass: Allowed X-ServerName: us-smtp-delivery-124.mimecast.com X-Proofpoint-SPF-Result: pass X-Proofpoint-SPF-Record: v=spf1 ip4:107.21.15.141 ip4:108.177.8.0/21 ip4:128.17.0.0/20 ip4:128.17.128.0/20 ip4:128.17.192.0/20 ip4:128.17.64.0/20 ip4:128.245.0.0/20 ip4:128.245.64.0/20 ip4:13.110.208.0/21 ip4:13.110.216.0/22 ip4:13.110.224.0/20 ip4:13.111.0.0/16 ip4:136.147.128.0/20 ip4:136.147.176.0/20 ip4:148.105.8.0/21 ip4:149.72.0.0/16 ip4:159.183.0.0/16 include:spf1.redhat.com -all X-Proofpoint-Spam-Reason: safe X-Spam: OrgSafeList X-SpamRule: orgsafelist X-Proofpoint-GUID: V_4EjNe4R4Hox3XfJahfjlW4Q2Wrg3Fm X-Proofpoint-ORIG-GUID: V_4EjNe4R4Hox3XfJahfjlW4Q2Wrg3Fm Reporting-Meta: AAECKOCf44dwwvi5NidQGRQsmWgUdyEA0ayd9rXbwOhMQlklARYb3srYUIKUfHyE ddBAi47jQreF4jrm6Tu377dcZAPDBM4d3q03IfjR4yacod4qmJVkQU9J0pKD1F2z 8ydToHCAroA1QHrT3hcf/WJgngeHRCL5m5/ln96NanQHuKWfOSaVEv6yPHwKpa1+ k/BtpFriXsH7d29Kf2R1LE7dwha7s/V27GPjmOyRVdrLuuf9hpVMdeKcK3A/SUZ7 VluR3vUbxCQb+2GdUrAs4I9Bv1+EZL5VzZmaNtidVjadr43R/xLaUNbr/FNybc7M 0xnxP0ekXOPrW65pQasi/OfO9uq26aqucmZjH2Kdjz+FtxAeBq37K1Yy4d5akNc2 6AwoWW+RdWevpsb8drJ5x9PDwps2TmHSgslCtBbRCMNah5d2191EqEhdqzuRAp7H kpULgnU6UAXYvo1P9mhwWZ9RvM8FggCfyPyS5+w+WKozf4JCHGF/DBqXjNJNnbmM qJLJOKuHsE0bTLKy58ScuDgJw2bNDVfOZDlG3UHyrFpN Switch ocfs2 from using sendpage() to using sendmsg() + MSG_SPLICE_PAGES so that sendpage can be phased out. Signed-off-by: David Howells cc: Mark Fasheh cc: Joel Becker cc: Joseph Qi cc: "David S. Miller" cc: Eric Dumazet cc: Jakub Kicinski cc: Paolo Abeni cc: ocfs2-devel@oss.oracle.com cc: netdev@vger.kernel.org --- Notes: ver #4) - Use folio_alloc() for o2net_hand, o2net_keep_req and o2net_keep_resp. ver #2) - Wrap lines at 80. fs/ocfs2/cluster/tcp.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index 929a1133bc18..960080753d3b 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -930,19 +930,22 @@ static int o2net_send_tcp_msg(struct socket *sock, struct kvec *vec, } static void o2net_sendpage(struct o2net_sock_container *sc, - void *kmalloced_virt, - size_t size) + void *virt, size_t size) { struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num); + struct msghdr msg = {}; + struct bio_vec bv; ssize_t ret; + bvec_set_virt(&bv, virt, size); + iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bv, 1, size); + while (1) { + msg.msg_flags = MSG_DONTWAIT | MSG_SPLICE_PAGES; mutex_lock(&sc->sc_send_lock); - ret = sc->sc_sock->ops->sendpage(sc->sc_sock, - virt_to_page(kmalloced_virt), - offset_in_page(kmalloced_virt), - size, MSG_DONTWAIT); + ret = sock_sendmsg(sc->sc_sock, &msg); mutex_unlock(&sc->sc_send_lock); + if (ret == size) break; if (ret == (ssize_t)-EAGAIN) {