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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 0F379C7618B for ; Fri, 26 Jul 2019 08:34:38 +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 DA9F022BEF for ; Fri, 26 Jul 2019 08:34:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DA9F022BEF 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]:37378 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqvgS-0002wz-0Q for qemu-devel@archiver.kernel.org; Fri, 26 Jul 2019 04:34:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44414) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqvfa-0008Gy-DF for qemu-devel@nongnu.org; Fri, 26 Jul 2019 04:33:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hqvfX-0001nS-By for qemu-devel@nongnu.org; Fri, 26 Jul 2019 04:33:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52004) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hqvfX-0001ei-40 for qemu-devel@nongnu.org; Fri, 26 Jul 2019 04:33:39 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 66C1F308A958 for ; Fri, 26 Jul 2019 08:33:37 +0000 (UTC) Received: from localhost (ovpn-117-212.ams2.redhat.com [10.36.117.212]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4A448101E245; Fri, 26 Jul 2019 08:33:32 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org, virtio-fs@redhat.com Date: Fri, 26 Jul 2019 09:33:21 +0100 Message-Id: <20190726083322.13637-3-stefanha@redhat.com> In-Reply-To: <20190726083322.13637-1-stefanha@redhat.com> References: <20190726083322.13637-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Fri, 26 Jul 2019 08:33:37 +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 2/3] virtiofsd: add map_alignment to fuse_kernel.h 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" This new FUSE_INIT field communicates the alignment constraint for FUSE_SETUPMAPPING/FUSE_REMOVEMAPPING. This feature will be implemented in the next commit. Signed-off-by: Stefan Hajnoczi --- contrib/virtiofsd/fuse_kernel.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/contrib/virtiofsd/fuse_kernel.h b/contrib/virtiofsd/fuse_ker= nel.h index 7722e0ac23..550fc3cb64 100644 --- a/contrib/virtiofsd/fuse_kernel.h +++ b/contrib/virtiofsd/fuse_kernel.h @@ -263,6 +263,9 @@ struct fuse_file_lock { * FUSE_MAX_PAGES: init_out.max_pages contains the max number of req pag= es * FUSE_CACHE_SYMLINKS: cache READLINK responses * FUSE_NO_OPENDIR_SUPPORT: kernel supports zero-message opendir + * FUSE_MAP_ALIGNMENT: init_out.map_alignment contains byte alignment fo= r + * foffset and moffset fields in struct + * fuse_setupmapping_out and fuse_removemapping_one. */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) @@ -289,6 +292,7 @@ struct fuse_file_lock { #define FUSE_MAX_PAGES (1 << 22) #define FUSE_CACHE_SYMLINKS (1 << 23) #define FUSE_NO_OPENDIR_SUPPORT (1 << 24) +#define FUSE_MAP_ALIGNMENT (1 << 25) =20 /** * CUSE INIT request/reply flags @@ -637,7 +641,8 @@ struct fuse_init_out { uint32_t time_gran; uint16_t max_pages; uint16_t padding; - uint32_t unused[8]; + uint32_t map_alignment; + uint32_t unused[7]; }; =20 #define CUSE_INIT_INFO_MAX 4096 --=20 2.21.0