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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id ACE44C433EF for ; Mon, 25 Apr 2022 08:52:15 +0000 (UTC) Received: from localhost ([::1]:52500 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1niuS6-0007Ec-Di for qemu-devel@archiver.kernel.org; Mon, 25 Apr 2022 04:52:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44416) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1niuOx-0004Fj-RB for qemu-devel@nongnu.org; Mon, 25 Apr 2022 04:49:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:48038) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1niuOw-0006JB-AR for qemu-devel@nongnu.org; Mon, 25 Apr 2022 04:48:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1650876537; 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=O7t18hK/K/k7lCGKKYZHnUSzLdL67903i7SoEEbUv24=; b=E2IxQYUzF5jq/ThPbClLMfHie+n4ixUTgNudyvPkaUEFUd1GOY4RafESYCuvLm0HvtFUBf ptC0f7qB2SBGDnkHjNXbfAuH8Jt3k+sngMxXdFtg4KGXWexaUPpyEvP4qoEqfqCOVjAa9I WGB+8u7Iw3YjMeLD/TVR9vaQx0Rj2X0= 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-30-u1dE4t27O5WiLmuFngSwfQ-1; Mon, 25 Apr 2022 04:48:54 -0400 X-MC-Unique: u1dE4t27O5WiLmuFngSwfQ-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 E24B71857F09; Mon, 25 Apr 2022 08:48:53 +0000 (UTC) Received: from localhost (unknown [10.39.192.194]) by smtp.corp.redhat.com (Postfix) with ESMTP id 95D6D40FF407; Mon, 25 Apr 2022 08:48:53 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PULL 3/3] virtiofsd: Add docs/helper for killpriv_v2/no_killpriv_v2 option Date: Mon, 25 Apr 2022 09:48:44 +0100 Message-Id: <20220425084844.1086768-4-stefanha@redhat.com> In-Reply-To: <20220425084844.1086768-1-stefanha@redhat.com> References: <20220425084844.1086768-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 Received-SPF: pass client-ip=170.10.133.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Liu Yiding , Stefan Hajnoczi , qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Liu Yiding virtiofsd has introduced killpriv_v2/no_killpriv_v2 for a while. Add description of it to docs/helper. Signed-off-by: Liu Yiding Message-Id: <20220421095151.2231099-1-liuyd.fnst@fujitsu.com> [Small documentation fixes: s/as client supports/as the client supports/ and s/. /. /. --Stefan] Signed-off-by: Stefan Hajnoczi --- docs/tools/virtiofsd.rst | 5 +++++ tools/virtiofsd/helper.c | 3 +++ 2 files changed, 8 insertions(+) diff --git a/docs/tools/virtiofsd.rst b/docs/tools/virtiofsd.rst index 0c0560203c..e457b13d56 100644 --- a/docs/tools/virtiofsd.rst +++ b/docs/tools/virtiofsd.rst @@ -111,6 +111,11 @@ Options label. Server will try to set that label on newly created file atomically wherever possible. + * killpriv_v2|no_killpriv_v2 - + Enable/disable ``FUSE_HANDLE_KILLPRIV_V2`` support. KILLPRIV_V2 is enabled + by default as long as the client supports it. Enabling this option helps + with performance in write path. + .. option:: --socket-path=PATH Listen on vhost-user UNIX domain socket at PATH. diff --git a/tools/virtiofsd/helper.c b/tools/virtiofsd/helper.c index e226fc590f..f8981e5bdf 100644 --- a/tools/virtiofsd/helper.c +++ b/tools/virtiofsd/helper.c @@ -188,6 +188,9 @@ void fuse_cmdline_help(void) " -o announce_submounts Announce sub-mount points to the guest\n" " -o posix_acl/no_posix_acl Enable/Disable posix_acl. (default: disabled)\n" " -o security_label/no_security_label Enable/Disable security label. (default: disabled)\n" + " -o killpriv_v2/no_killpriv_v2\n" + " Enable/Disable FUSE_HANDLE_KILLPRIV_V2.\n" + " (default: enabled as long as client supports it)\n" ); } -- 2.35.1