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Re: [Libvir] [PATCH] Refactor xend_internal.c block device detection



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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