[libvirt] [PATCH] Revert "storageVolCreateXMLFrom: Check if backend knows how to createVol"

[Peter Krempa]

On Mon, Feb 15, 2016 at 09:11:13 +0100, Ján Tomko wrote:
> This reverts commit 611a278fa46d3136b7fe5c6ab05e660ca3c8fdf4.
> 
> According to the original commit message, this is dead code:
> 
>   It is highly unlikely that a backend will know how to create a
>   volume from a different volume (buildVolFrom) and not know how to
>   create an empty volume (createVol).
> ---
>  src/storage/storage_driver.c | 7 -------
>  1 file changed, 7 deletions(-)

ACK, rather than this pointless check, it would be better just to note
it in the storage driver structure that backend->createVol is a
prerequisite for storageVolCreateXMLFrom. This is something a developer
should be aware and is of no use to a user. Also a developer will get
the crash when developing it.

Peter
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