Re: [PATCH v1 00/30] Ext4 snapshots

From: Amir G.
Date: Wed Jun 08 2011 - 23:18:19 EST


On Thu, Jun 9, 2011 at 4:59 AM, Yongqiang Yang <xiaoqiangnk@xxxxxxxxx> wrote:
>> But I do understand the difference. And also, when it comes to fs level
>> snapshotting I would suspect that it would do something we can not do
>> with the current solutions, for example per-file or per-directory snapshots,
>> cat ext4 snapshots do that ?
> Hi Lukas,
>
> I noticed that there is no answer to this question in the thread.  I

I think I answered this question with No it can't ;-)

> can give the question the answer that ext4 can snapshot per-file or
> per-directory, and can exclude some files or directories from being
> snapshotted.
>

So the full answer is that ext4 snapshot CAN exclude
certain files/dirs from snapshot, but this feature is not fully implemented yet
(I have it in a dev branch)

> --
> Best Wishes
> Yongqiang Yang
>
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