From nobody Mon Feb 9 13:02:48 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1564130079; cv=none; d=zoho.com; s=zohoarc; b=UlFeFsA/9IiPyPMWWVn9mAl5tiB56Kf/2g3+r2wB4cwvG0jSJ2ZAPIIVA7XU9m4XnMUh5pLSV+cDy9906x1bOyT97wn3UK4+HDt5/2RsyL6z/Zju4K264PGO2bda85mp1ysMxgzJsLOdZv4gPLEUxrUzUDt47KGzm4oRO0Af22E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564130079; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=czlzWc3e79ItbQ4225KXvv31unaapj7Yx5W+3aUl8V0=; b=Jo9suqR8Cd4M+L7YYxQV4O6tyMHVzmDMQe90TZLIP0fX8wgkw7ynFWbSNWfs6jRzw3DO2MchR5uH0m3OxhF+XsKNHKW3NiSSanMERPX/xEscu5VaU2cas33dvlHZHH0Mb5UZ5C+EIaobP+NIUvp+/DtC9N8tcCdGDul6i05gmQg= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 15641300791611011.6025026797809; Fri, 26 Jul 2019 01:34:39 -0700 (PDT) Received: from localhost ([::1]:37378 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqvgS-0002wz-QB for importer@patchew.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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" 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_kerne= l.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 pages * 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 for + * 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