From nobody Mon Feb 9 07:21:13 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC877C0015E for ; Fri, 23 Jun 2023 11:46:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230242AbjFWLqe (ORCPT ); Fri, 23 Jun 2023 07:46:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231181AbjFWLqI (ORCPT ); Fri, 23 Jun 2023 07:46:08 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ECE7119AB for ; Fri, 23 Jun 2023 04:45:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687520723; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6qW7QONKdXKQCe18ckz4PBDuqjad2A9AyVw+035R3zM=; b=hV3IjCC6kQSZX0A+RbaSNHXKaoiaaaEbGvWFym0bhnEb8gMcqD9dDgzx9a2gIbgF26C6i8 qp7BxS9bOpxnnIrPiE3CQR4pVhi1NC7APVgj+dyIQhMI+MdvQqBrF4kr6ijLG0pzMdOWQj yfvZGrs6R23NLRFjcE9+2k5UntE2lO4= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-155-woVC1FXnMaeEutQKCYvqpQ-1; Fri, 23 Jun 2023 07:45:19 -0400 X-MC-Unique: woVC1FXnMaeEutQKCYvqpQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 57BA529AB40B; Fri, 23 Jun 2023 11:45:16 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7E6FC4087C6F; Fri, 23 Jun 2023 11:45:14 +0000 (UTC) From: David Howells To: netdev@vger.kernel.org Cc: David Howells , Alexander Duyck , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Willem de Bruijn , David Ahern , Matthew Wilcox , Jens Axboe , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mark Fasheh , Joel Becker , Joseph Qi , ocfs2-devel@oss.oracle.com Subject: [PATCH net-next v4 13/15] ocfs2: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage() Date: Fri, 23 Jun 2023 12:44:23 +0100 Message-ID: <20230623114425.2150536-14-dhowells@redhat.com> In-Reply-To: <20230623114425.2150536-1-dhowells@redhat.com> References: <20230623114425.2150536-1-dhowells@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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. =20 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, st= ruct kvec *vec, } =20 static void o2net_sendpage(struct o2net_sock_container *sc, - void *kmalloced_virt, - size_t size) + void *virt, size_t size) { struct o2net_node *nn =3D o2net_nn_from_num(sc->sc_node->nd_num); + struct msghdr msg =3D {}; + struct bio_vec bv; ssize_t ret; =20 + bvec_set_virt(&bv, virt, size); + iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bv, 1, size); + while (1) { + msg.msg_flags =3D MSG_DONTWAIT | MSG_SPLICE_PAGES; mutex_lock(&sc->sc_send_lock); - ret =3D sc->sc_sock->ops->sendpage(sc->sc_sock, - virt_to_page(kmalloced_virt), - offset_in_page(kmalloced_virt), - size, MSG_DONTWAIT); + ret =3D sock_sendmsg(sc->sc_sock, &msg); mutex_unlock(&sc->sc_send_lock); + if (ret =3D=3D size) break; if (ret =3D=3D (ssize_t)-EAGAIN) {