From patchwork Fri Sep 20 21:29:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 1165448 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="YaEqsX60"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46Zn2y1tGXz9sN1 for ; Sat, 21 Sep 2019 07:31:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730227AbfITVbU (ORCPT ); Fri, 20 Sep 2019 17:31:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:39370 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729997AbfITVbU (ORCPT ); Fri, 20 Sep 2019 17:31:20 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.77]) (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 3038F2086A for ; Fri, 20 Sep 2019 21:31:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569015080; bh=LTqAzUDWUFmPs8gFg+K0lSuwV05UNkeT8pVaObHnzKY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=YaEqsX608neNmkuoTzCemAyVSoMXWoJMPLvZuT6R6PEE5ML1h7N9Zp6IO9GCMdFZy 63iIiBxixyuZ+FYi0EIYbFlNf3PkLMXXZa37FqKeKKWzFFFdjY9hZGVivdySA+uylP uWSvdNRzvo7v3V/wlayKbN30tiuIQzNLavSK29vw= From: Eric Biggers To: linux-ext4@vger.kernel.org Subject: [PATCH 1/6] ext4.5: move casefold feature to correct position Date: Fri, 20 Sep 2019 14:29:49 -0700 Message-Id: <20190920212954.205789-2-ebiggers@kernel.org> X-Mailer: git-send-email 2.23.0.351.gc4317032e6-goog In-Reply-To: <20190920212954.205789-1-ebiggers@kernel.org> References: <20190920212954.205789-1-ebiggers@kernel.org> MIME-Version: 1.0 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Eric Biggers The features are listed in alphabetic order, so put the casefold feature in the right place. Signed-off-by: Eric Biggers --- misc/ext4.5.in | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/misc/ext4.5.in b/misc/ext4.5.in index 01dab48a..0a93c35e 100644 --- a/misc/ext4.5.in +++ b/misc/ext4.5.in @@ -61,6 +61,14 @@ This feature requires that the .B extent feature be enabled. .TP +.B casefold +.br +This ext4 feature provides file system level character encoding support +for directories with the casefold (+F) flag enabled. This feature is +name-preserving on the disk, but it allows applications to lookup for a +file in the file system using an encoding equivalent version of the file +name. +.TP .B dir_index .br Use hashed b-trees to speed up name lookups in large directories. This @@ -151,14 +159,6 @@ can be specified using the .B \-G option. .TP -.B casefold -.br -This ext4 feature provides file system level character encoding support -for directories with the casefold (+F) flag enabled. This feature is -name-preserving on the disk, but it allows applications to lookup for a -file in the file system using an encoding equivalent version of the file -name. -.TP .B has_journal .br Create a journal to ensure filesystem consistency even across unclean From patchwork Fri Sep 20 21:29:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 1165452 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="FL2KOdIJ"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46Zn302Yx3z9sNF for ; Sat, 21 Sep 2019 07:31:24 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387430AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:39372 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730095AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.77]) (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 5F282208C3 for ; Fri, 20 Sep 2019 21:31:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569015080; bh=YH4TaYjOTPbLGovkabK5U8fbZw6xwZC5tFyC27QQ4Lc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=FL2KOdIJMByjhCHPD8M2eDTKXUq48meVIG+7OA4WrzDwYSjMdyEb6EEMVqRhSw3gT 6l3ztZCEpPJN96LdMhJ6bXfUDUu/TtqOliWBiBRfESpT+N8Ygq0R6dhpuXsDAhap+r r4vHr+sjCAifm/putDZ5ONSeFECPSgx1HJE6cVpM= From: Eric Biggers To: linux-ext4@vger.kernel.org Subject: [PATCH 2/6] ext4.5: document first kernel version to support casefold feature Date: Fri, 20 Sep 2019 14:29:50 -0700 Message-Id: <20190920212954.205789-3-ebiggers@kernel.org> X-Mailer: git-send-email 2.23.0.351.gc4317032e6-goog In-Reply-To: <20190920212954.205789-1-ebiggers@kernel.org> References: <20190920212954.205789-1-ebiggers@kernel.org> MIME-Version: 1.0 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/ext4.5.in | 2 ++ 1 file changed, 2 insertions(+) diff --git a/misc/ext4.5.in b/misc/ext4.5.in index 0a93c35e..40e75f81 100644 --- a/misc/ext4.5.in +++ b/misc/ext4.5.in @@ -772,6 +772,8 @@ ext4, 4.5 ext4, 4.13 .IP "\fBlarge_dir\fR" 2i ext4, 4.13 +.IP "\fBcasefold\fR" 2i +ext4, 5.2 .SH SEE ALSO .BR mke2fs (8), .BR mke2fs.conf (5), From patchwork Fri Sep 20 21:29:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 1165449 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="Llu57tAW"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46Zn2y6dxXz9sNw for ; Sat, 21 Sep 2019 07:31:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389650AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:39378 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729725AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.77]) (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 98BF720B7C for ; Fri, 20 Sep 2019 21:31:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569015080; bh=K1XKfl1E4n/4AYgHzqCbFj+SYp7RMDnxwNgkzlIr6u8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Llu57tAW4C/oJTO/BlBU+YvouPbdBAekovXEJvC2FzmiscCgSDxpTMUxHidBvasd7 p2T6sHg/1EDKZg7shijB1Ay6H1GiDG1M7Hv0rUiRLDD46BUUfWh8yyfTbUwMgM9I1u 4oJ81xBxq25fAAGa3wt8uvI3HRP4w7qDO2KEjY6Q= From: Eric Biggers To: linux-ext4@vger.kernel.org Subject: [PATCH 3/6] ext4.5: document the verity feature Date: Fri, 20 Sep 2019 14:29:51 -0700 Message-Id: <20190920212954.205789-4-ebiggers@kernel.org> X-Mailer: git-send-email 2.23.0.351.gc4317032e6-goog In-Reply-To: <20190920212954.205789-1-ebiggers@kernel.org> References: <20190920212954.205789-1-ebiggers@kernel.org> MIME-Version: 1.0 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/ext4.5.in | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/misc/ext4.5.in b/misc/ext4.5.in index 40e75f81..627c0dad 100644 --- a/misc/ext4.5.in +++ b/misc/ext4.5.in @@ -312,6 +312,18 @@ the file system using and it also speeds up the time required for .BR mke2fs (8) to create the file system. +.TP +.B verity +.br +Enables support for verity protected files. Verity files are readonly, +and their data is transparently verified against a Merkle tree hidden +past the end of the file. Using the Merkle tree's root hash, a verity +file can be efficiently authenticated, independent of the file's size. +.IP +This feature is most useful for authenticating important read-only files +on read-write file systems. If the file system itself is read-only, +then using dm-verity to authenticate the entire block device may provide +much better security. .SH MOUNT OPTIONS This section describes mount options which are specific to ext2, ext3, and ext4. Other generic mount options may be used as well; see @@ -774,6 +786,8 @@ ext4, 4.13 ext4, 4.13 .IP "\fBcasefold\fR" 2i ext4, 5.2 +.IP "\fBverity\fR" 2i +ext4, 5.4 .SH SEE ALSO .BR mke2fs (8), .BR mke2fs.conf (5), From patchwork Fri Sep 20 21:29:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 1165453 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="bGnv8qGR"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46Zn305kjHz9sDB for ; Sat, 21 Sep 2019 07:31:24 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390860AbfITVbW (ORCPT ); Fri, 20 Sep 2019 17:31:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:39388 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729997AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.77]) (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 C79822080F for ; Fri, 20 Sep 2019 21:31:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569015080; bh=mxcbvMl1GDdVaogVkLdFb9r/c6Cl4P3ePKpgjIVY704=; h=From:To:Subject:Date:In-Reply-To:References:From; b=bGnv8qGR348b4tZjasOsPIge7AK3/Y/jytiClGxdPWCvNPse7JJbTjas64Ux32yGH 4m94yHQcOO0T2zZDRHM2a7UfR6JpWQHfI3sm0NeEzmcNm6ifO0fmfSK/AkeTX0orjH tJ2w6f37wgQI2Yqd1cfCaeo4kh47xYmf3ASGkw6A= From: Eric Biggers To: linux-ext4@vger.kernel.org Subject: [PATCH 4/6] ext4.5: tweak the documentation for the encrypt feature Date: Fri, 20 Sep 2019 14:29:52 -0700 Message-Id: <20190920212954.205789-5-ebiggers@kernel.org> X-Mailer: git-send-email 2.23.0.351.gc4317032e6-goog In-Reply-To: <20190920212954.205789-1-ebiggers@kernel.org> References: <20190920212954.205789-1-ebiggers@kernel.org> MIME-Version: 1.0 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Eric Biggers Try to make it clearer that enabling 'encrypt' just enables *support* for encryption; it doesn't actually encrypt anything by itself. Signed-off-by: Eric Biggers --- misc/ext4.5.in | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/misc/ext4.5.in b/misc/ext4.5.in index 627c0dad..1db61a5f 100644 --- a/misc/ext4.5.in +++ b/misc/ext4.5.in @@ -96,9 +96,9 @@ extended attributes per file. .TP .B encrypt .br -This ext4 feature provides file-system level encryption of data blocks -and file names. The inode metadata (timestamps, file size, user/group -ownership, etc.) is +Enables support for file-system level encryption of data blocks and file +names. The inode metadata (timestamps, file size, user/group ownership, +etc.) is .I not encrypted. .IP From patchwork Fri Sep 20 21:29:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 1165451 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="kyvzZW/q"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46Zn2z64dBz9s7T for ; Sat, 21 Sep 2019 07:31:23 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389930AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:39394 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388697AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.77]) (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 034EE2086A for ; Fri, 20 Sep 2019 21:31:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569015081; bh=DsCRwu7FxFK1qUbPs8OD3JaAlD3/NfiI8Yjv5XgveSw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=kyvzZW/qilQPVDau8g094zDu4WKGrNlP3UTbiSL0B/eHlMFGV3TXEVvXVk8uircEU mO3pi1qCird9EOKnGOOs5Ugs6ySWYMKT2hcN5aYg9FN16+YvnpIk8cs8ctOZliqBHR DwnDz5MAF0yKFjKK2J04UCPfmMLnpSHdhTbTKnKw= From: Eric Biggers To: linux-ext4@vger.kernel.org Subject: [PATCH 5/6] tune2fs.8: document the verity feature Date: Fri, 20 Sep 2019 14:29:53 -0700 Message-Id: <20190920212954.205789-6-ebiggers@kernel.org> X-Mailer: git-send-email 2.23.0.351.gc4317032e6-goog In-Reply-To: <20190920212954.205789-1-ebiggers@kernel.org> References: <20190920212954.205789-1-ebiggers@kernel.org> MIME-Version: 1.0 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 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/misc/tune2fs.8.in b/misc/tune2fs.8.in index b60db6ed..f7c7d42d 100644 --- a/misc/tune2fs.8.in +++ b/misc/tune2fs.8.in @@ -631,6 +631,11 @@ keep a high watermark for the unused inodes in a filesystem, to reduce time. The first e2fsck run after enabling this feature will take the full time, but subsequent e2fsck runs will take only a fraction of the original time, depending on how full the file system is. +.TP +.B verity +Enable support for verity protected files. +.B Tune2fs +currently only supports setting this filesystem feature. .RE .IP After setting or clearing From patchwork Fri Sep 20 21:29:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 1165450 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="d1dJQJ7f"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46Zn2z2pDRz9sDB for ; Sat, 21 Sep 2019 07:31:23 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389932AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:39378 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389460AbfITVbV (ORCPT ); Fri, 20 Sep 2019 17:31:21 -0400 Received: from ebiggers-linuxstation.mtv.corp.google.com (unknown [104.132.1.77]) (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 32ED2208C3 for ; Fri, 20 Sep 2019 21:31:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569015081; bh=oTUYbLrG6Vu8sjSve+NxU8IwPYokjqHXVSHgKbyi51k=; h=From:To:Subject:Date:In-Reply-To:References:From; b=d1dJQJ7fInPHthnJkEFkqizCIAPIyCYtjMZesOQPDcRWJoz5Se9aPm7drw0iA1yX5 Rf87bDhD2dTro7KIylAXNOx4DzIPeLJhU73IN19uY84iXWphbsCryzcsgPjueDRnIX 8E7EQPiZiVd/x2Ty+UQGIfFqqysMIEAI3gBsRHZg= From: Eric Biggers To: linux-ext4@vger.kernel.org Subject: [PATCH 6/6] tune2fs.8: tweak the documentation for the encrypt feature Date: Fri, 20 Sep 2019 14:29:54 -0700 Message-Id: <20190920212954.205789-7-ebiggers@kernel.org> X-Mailer: git-send-email 2.23.0.351.gc4317032e6-goog In-Reply-To: <20190920212954.205789-1-ebiggers@kernel.org> References: <20190920212954.205789-1-ebiggers@kernel.org> MIME-Version: 1.0 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Eric Biggers Try to make it clearer that enabling 'encrypt' just enables *support* for encryption; it doesn't actually encrypt anything by itself. Signed-off-by: Eric Biggers --- misc/tune2fs.8.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/misc/tune2fs.8.in b/misc/tune2fs.8.in index f7c7d42d..74eebb6a 100644 --- a/misc/tune2fs.8.in +++ b/misc/tune2fs.8.in @@ -550,7 +550,7 @@ extended attributes per file. currently only supports setting this filesystem feature. .TP .B encrypt -Enable file system level encryption. +Enable support for file system level encryption. .B Tune2fs currently only supports setting this filesystem feature. .TP