[Libvir] [PATCH] Refactor xend_internal.c block device detection
Richard W.M. Jones
rjones at redhat.com
Tue Oct 16 14:16:34 UTC 2007
Daniel P. Berrange wrote:
> On Tue, Oct 16, 2007 at 02:13:04PM +0100, Richard W.M. Jones wrote:
>> This patch is a little bit esoteric, but I need it for something I'm
>> working on at the moment.
>>
>> At the moment the code in xend_internal.c: xend_parse_sexp_desc parses
>> the domain sexpr directly into XML. This makes it rather hard to just
>> get a list of block devices without repeating the same code. So here
>> I've factored out the common code for parsing block devices into a
>> separate function and callback.
>
> I agree that its good to separate this code out, however, I'd split it
> slightly differently. Instead of a function to parse all block devices
> and a callback to receive each one, I'd have the new function just be
> responsible for parsing a single block device. Keep iteration over block
> devices in the caller & avoid the callback. This is more in keeping with
> the style of the other functions for parsing XML & related domain info
> formats
I'm not sure I understand. Do you mean the function would parse a block
device and return a structure?
Rich.
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