linux-kernel - Re: [RFC] Rollback FS

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Message-ID: <CABjrhvoXWL7KQ8=pE8TqMGPuayQEcQ72qYP1Cf+gOnb3ZovRNw@mail.gmail.com>
Date:	Sun, 20 Oct 2013 19:41:32 +0800
From:	jiaweiwei <jiaweiwei.xiyou@...il.com>
To:	Kristof Provost <kristof@...segv.be>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Harry Wei <harryxiyou@...il.com>
Subject: Re: [RFC] Rollback FS

On Sun, Oct 20, 2013 at 6:22 PM, Kristof Provost <kristof@...segv.be> wrote:
> On 2013-10-20 15:06:33 (+0800), jiaweiwei <jiaweiwei.xiyou@...il.com> wrote:
>> We could implement a File System to record all the operations which
>> send to VFS. Then when you think you have done a mistake command, you
>> could rollback from this File System.
>>
>> This is just a RFC, I would give detail implementations. Would anyone
>> please give me some suggestions? Thanks very much.
>
> I think it needs to be fleshed out a lot more.

Yeah, I think so.

>
> For example, how would you tell it to roll back without a functional
> libc? How does it differ from the snapshot feature in btrfs?

I have not got detail implementation. I would give it and then we
could talk with it.
Thanks.


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