Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp996225ybb; Wed, 1 Apr 2020 13:35:52 -0700 (PDT) X-Google-Smtp-Source: APiQypK+o7rV5gXMgvvMq+y07dd6TLKpvrkcm7yEnRfE+Fg18g+upwCh1ZDFIGyXwSnsl4Q1mfou X-Received: by 2002:a05:6808:485:: with SMTP id z5mr160318oid.78.1585773352437; Wed, 01 Apr 2020 13:35:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585773352; cv=none; d=google.com; s=arc-20160816; b=bZYz7j4Rjh63u05KPkwbZLB02QGJJgyASGYVQhLFBUltj0vSe2imu16G43Gy+c0cdI mca/yr7EK7zCRcCzRX3AloqwqDdn1kS+3Y3cIZ937b5XGZz+E4ggMr3DLQUfjvaKVSA3 pgDWVE3QPma7h8duQKfUOaClL7sDdfxPOwikrYo2/YFsvozoPTFU0QSUuDtljxGRqCfS cbBjMTHiT6k8T1i9E+jRWoIuFYjCreJfnR5efVQR0UUNchMnlUobMn23Olfmo6FcGefT TstiTR7Crm8xOGZXX6WCwLa/z9pUQXWnxiaXV1bj6X66ydjtu14c9gZMNmhM5jfWqukD jH9w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=v4wuHpqltezUFrOx1BlLngcjK8rHLS6SSihEpB+lgbA=; b=HDEk0UDx+A6V80LDUDMaNrK+tKDAw5WBMDLJvvKCV631LJ6Sb2gEXocWlMiXBsLRqn aiakd31blUWIHbqTEzOlq5a9BUYdWR5IcM6f/lfA0dCgVwpxUQFA6SGfuhkeZYK+maO5 JciFAqZBXOgrueKocyppU7avfuhs7V7WYRLUjjUnjGPxxkRInHRcaPEXKE5PVFtWB3YK tMS0EMXlZzu8rQDVNeqyX305Ba2iHtkpObRPaxVrTf8UPtaa9T3nc9b50F1qEjlepJ8E WKlaVbCZovrd+a2QwgaAkU19kF/bjp5RNpWHzPZeQXHYmuotzbYaFh2LFx0wAgTnvcCc +7uA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=AqHoq1ig; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u8si1291839ote.311.2020.04.01.13.35.41; Wed, 01 Apr 2020 13:35:52 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=AqHoq1ig; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732821AbgDAUe6 (ORCPT + 99 others); Wed, 1 Apr 2020 16:34:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:54408 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733021AbgDAUe5 (ORCPT ); Wed, 1 Apr 2020 16:34:57 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 916E92082F; Wed, 1 Apr 2020 20:34:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585773296; bh=+1NW6Mkzb7xHuLjpEh9AxTsAlZnBD98KP1zGLJyrNp0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AqHoq1ighwkpVcshZ5YOjoAvrC09TNdJZ7b2h12P3Ev2MJuQQHm4sZgvnESK/64v/ WtuePhrsNA4fAHrtPvCFlLnRoQBOU0ejGI6psT4KFFpfUXBcqEiwbmEv/96fQRruWC awizldlvg7/cIKcu5GJuX5G1tVWQZvXXKiMFvic8= From: Eric Biggers To: linux-ext4@vger.kernel.org Cc: linux-fscrypt@vger.kernel.org Subject: [PATCH 4/4] tune2fs.8: document the stable_inodes feature Date: Wed, 1 Apr 2020 13:32:39 -0700 Message-Id: <20200401203239.163679-5-ebiggers@kernel.org> X-Mailer: git-send-email 2.26.0.rc2.310.g2932bb562d-goog In-Reply-To: <20200401203239.163679-1-ebiggers@kernel.org> References: <20200401203239.163679-1-ebiggers@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Eric Biggers Signed-off-by: Eric Biggers --- misc/tune2fs.8.in | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/misc/tune2fs.8.in b/misc/tune2fs.8.in index 3cf1f5ed..582d1da5 100644 --- a/misc/tune2fs.8.in +++ b/misc/tune2fs.8.in @@ -630,6 +630,13 @@ Limit the number of backup superblocks to save space on large filesystems. .B Tune2fs currently only supports setting this filesystem feature. .TP +.B stable_inodes +Prevent the filesystem from being shrunk or having its UUID changed, in order to +allow the use of specialized encryption settings that make use of the inode +numbers and UUID. +.B Tune2fs +currently only supports setting this filesystem feature. +.TP .B uninit_bg Allow the kernel to initialize bitmaps and inode tables lazily, and to keep a high watermark for the unused inodes in a filesystem, to reduce -- 2.26.0.rc2.310.g2932bb562d-goog