From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: [PATCH 08/39] tune2fs: don't change metadata_csum on a mounted fs Date: Tue, 4 Nov 2014 11:52:36 -0500 Message-ID: <20141104165236.GI30614@thunk.org> References: <20141025205623.532.12119.stgit@birch.djwong.org> <20141025205714.532.67707.stgit@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]:38339 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750901AbaKDQwj (ORCPT ); Tue, 4 Nov 2014 11:52:39 -0500 Content-Disposition: inline In-Reply-To: <20141025205714.532.67707.stgit@birch.djwong.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Sat, Oct 25, 2014 at 01:57:15PM -0700, Darrick J. Wong wrote: > Don't let users change metadata_csum on a mounted filesystem because > there's no way to tell the kernel to turn on the feature; there's no > way to prevent the kernel from rewriting on-disk structures while > tune2fs is also rewriting them; and there's no way to tell the kernel > to reload them after tune2fs is finished. > > Signed-off-by: Darrick J. Wong Applied, thanks. - Ted