linux-ext4 - Re: [PATCH 08/39] tune2fs: don't change metadata

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20141104165236.GI30614@thunk.org>
Date:	Tue, 4 Nov 2014 11:52:36 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 08/39] tune2fs: don't change metadata_csum on a mounted fs

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 <darrick.wong@...cle.com>

Applied, thanks.

						- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html