From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5069AC7618B for ; Fri, 26 Jul 2019 08:33:56 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 26E5021951 for ; Fri, 26 Jul 2019 08:33:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 26E5021951 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37362 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqvfm-0000Ek-I2 for qemu-devel@archiver.kernel.org; Fri, 26 Jul 2019 04:33:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43570) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqvfR-0007si-Hi for qemu-devel@nongnu.org; Fri, 26 Jul 2019 04:33:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hqvfP-0001Am-EN for qemu-devel@nongnu.org; Fri, 26 Jul 2019 04:33:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39000) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hqvfP-0000yj-69 for qemu-devel@nongnu.org; Fri, 26 Jul 2019 04:33:31 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 10FA730C34CA for ; Fri, 26 Jul 2019 08:33:29 +0000 (UTC) Received: from localhost (ovpn-117-212.ams2.redhat.com [10.36.117.212]) by smtp.corp.redhat.com (Postfix) with ESMTP id DDF7D87B6; Fri, 26 Jul 2019 08:33:23 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org, virtio-fs@redhat.com Date: Fri, 26 Jul 2019 09:33:19 +0100 Message-Id: <20190726083322.13637-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Fri, 26 Jul 2019 08:33:29 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 0/3] virtiofsd: add FUSE_INIT map_alignment field X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Dr. David Alan Gilbert" , Stefan Hajnoczi Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The client must know the server's alignment constraints for FUSE_SETUPMAP= PING and FUSE_REMOVEMAPPING. This is necessary because mmap(2)/munmap(2) have alignment constraints and the guest may have a different page size from t= he host. The new FUSE_INIT map_alignment field communicates this informatio= n to the client. Stefan Hajnoczi (3): virtiofsd: sync up fuse.h Linux 5.1 header virtiofsd: add map_alignment to fuse_kernel.h virtiofsd: implement FUSE_INIT map_alignment field contrib/virtiofsd/fuse_kernel.h | 56 +++++++++++++++++++++---------- contrib/virtiofsd/fuse_lowlevel.c | 8 +++++ 2 files changed, 47 insertions(+), 17 deletions(-) --=20 2.21.0