On Fri, Oct 02, 2015 at 05:26:16PM +0300, Alberto Garcia wrote: > query-blockstats always returns a BlockDeviceStats structure for each > BDS, regardless of whether it implements accounting or not. Since the > field is mandatory there's no way to tell that from the values alone. > > This field solves that problem by indicating which BDSs support I/O > accounting.
I'm not sure I understand the problem. If I/O accounting isn't being used then all fields will be 0?
