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[23.128.96.33]) by mx.google.com with ESMTPS id q12-20020a63e20c000000b005b977eea853si6430030pgh.694.2023.11.19.08.54.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Nov 2023 08:54:39 -0800 (PST) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=jlQy3zOm; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id 0873780A776B; Sun, 19 Nov 2023 08:54:37 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229508AbjKSQva (ORCPT + 99 others); Sun, 19 Nov 2023 11:51:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231434AbjKSQv3 (ORCPT ); Sun, 19 Nov 2023 11:51:29 -0500 Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8037E12D for ; Sun, 19 Nov 2023 08:51:23 -0800 (PST) Received: by mail-ed1-x533.google.com with SMTP id 4fb4d7f45d1cf-5440f25dcc7so5146561a12.0 for ; Sun, 19 Nov 2023 08:51:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700412681; x=1701017481; darn=vger.kernel.org; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :from:to:cc:subject:date:message-id:reply-to; bh=PP/M4wJQZfNwddnWRuTNmC4AHPQUPyO343/OyqIvP88=; b=jlQy3zOm+sE1vYxd1nl/EG9d4r7k6Mdvq8LOqNTMxaQiiawdkNECTnksr6P2ACHOZM 9tCq/aAj2xBD56srzpYpunZqihgh5mZo4/90UJLhdMXmT6TmXWmkEfF2mnmF+RtRVeHu FReSR/CZ5Q4hMBIyqxoWWr+OiXH7HT8yZMzpMsujls0Czxqbl2bcrfMYCC7lFLxPcfmO XYYOJpqWfuqID84URQpdw9DGKfDxFCEG+ArVqP2EBp2YsazDGIdOus+62yNuxQdqGUmz 8PopDKIpRageSKzaagTDXumI3LI4SQ040T2Sqcx0T+aaqpFY2XNPrNwPOUTM9hHm+Hmb RNuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700412681; x=1701017481; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=PP/M4wJQZfNwddnWRuTNmC4AHPQUPyO343/OyqIvP88=; b=UW/ytc9BP6GoYmUGHHdvUibI9jSlV1tjdlOe/8yULuYIVTCYywwFPT94EE6RPYlP72 dSVQcbrmzNf8yMtIvqL1GfCqlM5ljiZKpsTvsxhCC3siqginyUWT1Y24aChsb8/eRsqt MKP5yTUIzcvwA4J6nuoH0z4/vEeqzAIU+pugEXQePSZKW/9i1KB02mvrjEHa2/cCKtnd I7vQF84z5XNzneJRdYJRDZA7MoSruPGkeEheMyFpJ0YjraRMIkWfsrVNsR5CnbR0D0UD mhMV371XKaFISzGOxex9WkuHezeIHcBzxe71+JR+Qss3uW0mqpD2RjK0fgX+y2ytz75i x2QQ== X-Gm-Message-State: AOJu0Yyj22YxBbj3peJlZmMahda/iJlYOtwBo7VjLRfX3ljMakcpzOFF RHDxv0S6ySHAIlNSVHctKNAlIMi0bZ2hKAE1RyFU6Mcn X-Received: by 2002:aa7:d454:0:b0:53d:bdd2:3d62 with SMTP id q20-20020aa7d454000000b0053dbdd23d62mr4062290edr.30.1700412681476; Sun, 19 Nov 2023 08:51:21 -0800 (PST) MIME-Version: 1.0 References: <83a30ef92afa05d50232bd3c933f8eb45ed8f98b.camel@kernel.org> In-Reply-To: <83a30ef92afa05d50232bd3c933f8eb45ed8f98b.camel@kernel.org> From: Cedric Blancher Date: Sun, 19 Nov 2023 17:51:00 +0100 Message-ID: Subject: Re: How to set the NFSv4 "HIDDEN" attribute on Linux? To: Linux NFS Mailing List Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Sun, 19 Nov 2023 08:54:37 -0800 (PST) On Sat, 18 Nov 2023 at 12:56, Jeff Layton wrote: > > On Sat, 2023-11-18 at 07:24 +0100, Cedric Blancher wrote: > > Good morning! > > > > NFSv4 has a "hidden" filesystem object attribute. How can I set that > > on a Linux NFSv4 server, or in a filesystem exported on Linux via > > NFSv4, so that the NFSv4 client gets this attribute for a file? > > > > You can't. RFC 8881 defines that as "TRUE, if the file is considered > hidden with respect to the Windows API." There is no analogous Linux > inode attribute. Can we use setfattr and getfattr to set/get the NFSv4.1 HIDDEN and ARCHIVE? We have Windows NFSv4 clients (and kofemann/Roland's codebase supports this), and that means we need to be able to set/get and backup/restore these flags on the NFSv4 server side. Ced -- Cedric Blancher [https://plus.google.com/u/0/+CedricBlancher/] Institute Pasteur