4a58dfc qemu: block: Rename qemuBlockFillNodeData and move it to the top

Authored and Committed by Peter Krempa 6 years ago
    qemu: block: Rename qemuBlockFillNodeData and move it to the top
    
    The same operation will become useful in other places so rename the
    function to be more generic and move it to the top so that it can be
    reused earlier in the file.
    
    Reviewed-by: Eric Blake <eblake@redhat.com>
    
        
file modified
+20 -19