From: Zheng Liu <gnehzuil.liu@gmail.com>
To: Gordon Messmer <gordon.messmer@gmail.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: kernel panic using external journal and snapshots
Date: Mon, 25 Nov 2013 11:32:16 +0800 [thread overview]
Message-ID: <20131125033216.GA20772@gmail.com> (raw)
In-Reply-To: <52911078.40207@gmail.com>
On Sat, Nov 23, 2013 at 12:30:48PM -0800, Gordon Messmer wrote:
> On 11/21/2013 11:11 PM, Zheng Liu wrote:
> >For the first question, I haven't a LVM device on my hand. Hence I am
> >not sure whether there is a bug or not.
> >
> >For the second one, I do a test on my sand box against Linux-3.12-rc5,
> >and it works well. So I think maybe you can try it again on a newer
> >kernel.
>
> The problem manifests when a filesystem which uses external journal
> and its snapshot are simultaneously mounted. If you don't have an
> LVM device with which to create a snapshot, I'm not sure what you're
> testing. Could you clarify?
Ah, sorry, I don't clarify my test. I just split two partitions on a
hard disk and create a ext4 file system with external journal. Then I
use tune2fs with '-O ^has_journal' to remove external journal. After
that I try to mount this file system on 3.12-rc5, and it work well.
That's all I have done.
Thanks,
- Zheng
prev parent reply other threads:[~2013-11-25 3:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-12 4:03 kernel panic using external journal and snapshots Gordon Messmer
2013-11-22 7:11 ` Zheng Liu
2013-11-23 20:30 ` Gordon Messmer
2013-11-25 3:32 ` Zheng Liu [this message]
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