From nobody Sun Dec 14 22:12:05 2025 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 A5FB3EB64DD for ; Fri, 23 Jun 2023 22:58:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229585AbjFWW6H (ORCPT ); Fri, 23 Jun 2023 18:58:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232457AbjFWW5m (ORCPT ); Fri, 23 Jun 2023 18:57:42 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6E3E26AF for ; Fri, 23 Jun 2023 15:56:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687560964; 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=Vv7dLA8hBk4btvpRclhRoEBG8PXnqHicj0Xf+7dXTneuHG7L71yUSHGziivVNDuyKKZLyx T4m8GhqVN4Oh3QEu/QD7Nh0vpY3shvjK/cfAbgGdjkw5RaF0YRP7S4Uzcn3O6I2JqCyJUd NtbL9WwI4nB4jAwNY+nu4NntWvM8d2E= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-306-a9340YSgPS-PNmqg9L7xcg-1; Fri, 23 Jun 2023 18:55:57 -0400 X-MC-Unique: a9340YSgPS-PNmqg9L7xcg-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 548C490ED21; Fri, 23 Jun 2023 22:55:56 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 89A49C1ED97; Fri, 23 Jun 2023 22:55:54 +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 v5 14/16] ocfs2: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage() Date: Fri, 23 Jun 2023 23:55:11 +0100 Message-ID: <20230623225513.2732256-15-dhowells@redhat.com> In-Reply-To: <20230623225513.2732256-1-dhowells@redhat.com> References: <20230623225513.2732256-1-dhowells@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 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) {