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
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