From: Levente Kurusa <levex@linux.com>
To: jiaweiwei <jiaweiwei.xiyou@gmail.com>,
"Theodore Ts'o" <tytso@mit.edu>,
Vyacheslav Dubeyko <slava@dubeyko.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Harry Wei <harryxiyou@gmail.com>
Subject: Re: [RFC] Rollback FS
Date: Sun, 20 Oct 2013 15:07:02 +0200 [thread overview]
Message-ID: <5263D576.70202@linux.com> (raw)
In-Reply-To: <CABjrhvpzcETE=CZrOkRgxpKhFm9-piYJLJ=8zdwnNkmJtkWRtQ@mail.gmail.com>
2013-10-20 14:59 keltezéssel, jiaweiwei írta:
> On Sun, Oct 20, 2013 at 8:35 PM, Theodore Ts'o <tytso@mit.edu> wrote:
>> On Sun, Oct 20, 2013 at 07:37:01PM +0800, jiaweiwei wrote:
>>>
>>> Any file system should rollback but not specific ones. Therefore, a
>>> VFS like mechanism should be designed and implemented.
>>
>> And what if the blocks or inodes used for the files that were deleted
>> have already been used and overwritten?
>
> A good catch. Following ideas would be suitable.
>
> 1, Keep the blocks or inodes by a parameter we give.
> 2, Keep the blocks or inodes for several seconds.
Keep them where? On the HDD? We just deleted/moved that.
In memory? How about a 4+ GB file(s)?
>
>>
>>> Maybe, I would give detail design, thanks.
>>
>> I encourage you to try to do that; you might find it to be an
>> educational exercise.
>>
>
> Yeah, I would, thanks.
>
>
I think he meant to be ironic.
--
Regards,
Levente Kurusa
next prev parent reply other threads:[~2013-10-20 13:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-20 7:06 [RFC] Rollback FS jiaweiwei
2013-10-20 7:57 ` Richard Weinberger
2013-10-20 11:33 ` jiaweiwei
2013-10-20 10:22 ` Kristof Provost
2013-10-20 11:41 ` jiaweiwei
2013-10-20 10:43 ` Vyacheslav Dubeyko
2013-10-20 11:37 ` jiaweiwei
2013-10-20 11:46 ` Richard Weinberger
2013-10-20 12:32 ` Vyacheslav Dubeyko
2013-10-20 12:35 ` Theodore Ts'o
2013-10-20 12:59 ` jiaweiwei
2013-10-20 13:07 ` Levente Kurusa [this message]
2013-10-20 13:19 ` jiaweiwei
2013-10-20 13:26 ` Levente Kurusa
2013-10-20 15:22 ` jiaweiwei
2013-10-22 14:29 ` Levente Kurusa
-- strict thread matches above, loose matches on Subject: below --
2013-10-25 19:22 Nick Warne
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