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Re: [coreutils] cp --reflink
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From: |
Giuseppe Scrivano |
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Subject: |
Re: [coreutils] cp --reflink |
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Date: |
Mon, 22 Mar 2010 21:22:22 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
"jeff.liu" <address@hidden> writes:
> I found cp(1) has an '--reflink' option, at first, I think it is means the
> OCFS2 reflink
> operation(please refer to http://lwn.net/Articles/331576/).
>
> But by checking through the source code, looks it does another thing for
> Btrfs only.
>
> So is it better to fix this option name to another more meaningful one? we
> can then using this
> option once OCFS2 reflink spread over other linux FS?
AFAICS, Btrfs does the same thing, copy-on-write on data extents; how
does OCFS2 reflink differ (from an user point of view)?
Thanks,
Giuseppe