From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: [PATCH 41/39] mke2fs: warn if enabling metadata_csum on a pre-3.18 kernel Date: Wed, 5 Nov 2014 11:20:14 -0500 Message-ID: <20141105162014.GD27083@thunk.org> References: <20141025205623.532.12119.stgit@birch.djwong.org> <20141027233231.GF10057@birch.djwong.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org To: "Darrick J. Wong" Return-path: Received: from imap.thunk.org ([74.207.234.97]:40347 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754864AbaKEQUT (ORCPT ); Wed, 5 Nov 2014 11:20:19 -0500 Content-Disposition: inline In-Reply-To: <20141027233231.GF10057@birch.djwong.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Mon, Oct 27, 2014 at 04:32:31PM -0700, Darrick J. Wong wrote: > The metadata_csum feature (really, the journal checksum disk format) > didn't stabilize until the 3.18 kernel, at which point the companion > journal_csum feature was turned on by default if metadata_csum was > enabled. Therefore, warn the user if they try to create such a > filesystem on a pre-3.18 kernel. > > Signed-off-by: Darrick J. Wong Applied, thanks. - Ted