From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: [PATCH 1/9] libext2fs: store checksum seed in superblock Date: Sat, 5 Mar 2016 18:21:31 -0500 Message-ID: <20160305232131.GB10297@thunk.org> References: <20160213223725.25381.20929.stgit@birch.djwong.org> <20160213223732.25381.26638.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]:36410 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750781AbcCEXVg (ORCPT ); Sat, 5 Mar 2016 18:21:36 -0500 Content-Disposition: inline In-Reply-To: <20160213223732.25381.26638.stgit@birch.djwong.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Sat, Feb 13, 2016 at 02:37:32PM -0800, Darrick J. Wong wrote: > Allow the filesystem to store the metadata checksum seed in the > superblock and add an incompat feature to say that we're using it. > This enables tune2fs to change the UUID on a mounted metadata_csum > FS without having to (racy!) rewrite all disk metadata. > > Signed-off-by: Darrick J. Wong Thanks, applied. - Ted