From: Eric Sandeen <sandeen@redhat.com>
To: Syed Imtiaz <sihussain2@gmail.com>, linux-ext4@vger.kernel.org
Subject: Re: Is ext2 freezable?
Date: Fri, 05 Jun 2015 11:47:25 -0500 [thread overview]
Message-ID: <5571D29D.1040505@redhat.com> (raw)
In-Reply-To: <loom.20150605T132316-300@post.gmane.org>
On 6/5/15 6:23 AM, Syed Imtiaz wrote:
> Dexuan Cui <decui <at> microsoft.com> writes:
>> Hi Ted,
>> Thanks very much for the clarification!
>>
>> And thanks a lot for implementing this -- I've seen the patches you
> sent out
>> several hours ago.
>>
>> IMO it's useful to have such compatibility, e.g.,
>> Hyper-V guest has a fsfreeze-based feature to back up the data; the
> feature
>> works fine for ext4 partition, but Ubuntu's installer can create /boot
>> of ext2 partition by default and hence the feature can't work:
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1362574
>>
>> I believe the bug will go away after Ubuntu integrates your patches.
>>
>> Thanks!
>
>
> Hi Theodore,
> CAn you please tell me where can i find these patches. I am unable to
> locate it. or the steps the install it ?
> Do we have to install it every system that doesnt support fsfreeze in
> the ext2 fs.
To be clear, the patches were only for ext2-mounted-with-ext4.ko.
The native ext2 driver freezes w/o any problem.
The upstream commit is here:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bb04457
and has been fixed upstream since kernel v3.18
-Eric
next prev parent reply other threads:[~2015-06-05 16:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-18 6:46 Is ext2 freezable? Dexuan Cui
2014-09-18 19:17 ` Theodore Ts'o
2014-09-19 3:11 ` Dexuan Cui
2015-06-05 11:23 ` Syed Imtiaz
2015-06-05 16:47 ` Eric Sandeen [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-09-18 5:15 Dexuan Cui
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