[libvirt] [PATCH] support lzop save compression for qemu

Chris Lalancette clalance at redhat.com
Mon Aug 31 12:06:46 UTC 2009


Jim Meyering wrote:
> Chris Lalancette wrote:
>> Charles Duffy wrote:
>>> Per prior discussion -- this was, indeed, trivial.
>>>
>>> I'm a little disappointed to be breaking the ordering characteristics of
>>> the enum (as it had been ordered by increasing time requirements and
>>> decreasing output size), but breaking any save files with the old
>> Heh, that was completely an accident; I just added them as I implemented them.
>> So no loss there.
>>
>> ACK to the patch.
> 
> Hi Chris,
> 
> FYI, in the context of that patch, I noticed compression support (nice!),
> and LZMA support in particular, but none for xz, which is the successor
> to lzma.  <http://tukaani.org/xz/>
> 
> Now that XZ's format is stable, and xz is in F11, you may
> want to support it, too.
> 
> Actually, since lzma is deprecated, and support for it in libvirt
> went in only 3 weeks ago, you may want to remove it completely,
> in favor of xz.

Hey Jim,
     Right, I noticed that as I was developing this (and another patch).  The
situation between xz and lzma wasn't completely clear to me, so thanks for
clarifying a little.  The thing is, isn't the command-line tool for xz still
called "lzma"?  Or is the tool called "xz"?

-- 
Chris Lalancette




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