From: Zheng Liu <gnehzuil.liu@gmail.com>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: linux-ext4@vger.kernel.org
Subject: Re: "Setting filesystem feature 'metadata_csum' not supported" when trying to enable ext4 metadata checksums
Date: Tue, 24 Jul 2012 15:50:00 +0800 [thread overview]
Message-ID: <20120724075000.GA10906@gmail.com> (raw)
In-Reply-To: <500E4384.4090002@wpkg.org>
On Tue, Jul 24, 2012 at 01:41:08PM +0700, Tomasz Chmielewski wrote:
> 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.
Hi Tomasz,
Could you please checkout the 'pu' branch in e2fsprogs? You need to
use pu branch of e2fsprogs because the patches of metadata checksum
for e2fsprogs are in this branch.
BTW, until 3.5 kernel, it seems that metadata checksum still has a bug.
Here is a patch to fix this bug [1].
1. http://www.spinics.net/lists/linux-ext4/msg32685.html
Regards,
Zheng
next prev parent reply other threads:[~2012-07-24 7:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-24 6:41 "Setting filesystem feature 'metadata_csum' not supported" when trying to enable ext4 metadata checksums Tomasz Chmielewski
2012-07-24 7:50 ` Zheng Liu [this message]
2012-07-24 8:51 ` Tomasz Chmielewski
2012-07-24 9:44 ` Zheng Liu
2012-07-24 10:32 ` Tomasz Chmielewski
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