From: Tomasz Chmielewski Subject: "Setting filesystem feature 'metadata_csum' not supported" when trying to enable ext4 metadata checksums Date: Tue, 24 Jul 2012 13:41:08 +0700 Message-ID: <500E4384.4090002@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit To: linux-ext4@vger.kernel.org Return-path: Received: from mail.virtall.com ([178.63.195.102]:44840 "EHLO mail.virtall.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754706Ab2GXGtv (ORCPT ); Tue, 24 Jul 2012 02:49:51 -0400 Received: from mail.virtall.com (localhost [127.0.0.1]) by mail.virtall.com (Postfix) with ESMTP id 5177634B6A7 for ; Tue, 24 Jul 2012 08:41:13 +0200 (CEST) Received: from [192.168.10.177] (unknown [223.204.74.89]) by mail.virtall.com (Postfix) with ESMTPSA id 5DEAA34B6A6 for ; Tue, 24 Jul 2012 08:41:11 +0200 (CEST) Sender: linux-ext4-owner@vger.kernel.org List-ID: With Linux 3.5, it should be possible to use ext4 metadata checksums; enabling of which should be made with the following command: # tune2fs -O metadata_csum /dev/sda1 tune2fs 1.42 (29-Nov-2011) Setting filesystem feature 'metadata_csum' not supported. Running kernel 3.5, tried the latest e2fsprogs from git. What am I missing here? -- Tomasz Chmielewski http://blog.wpkg.org