Am 05.03.2010 10:32, schrieb Christoph Hellwig: > On Fri, Mar 05, 2010 at 10:26:21AM +0100, Kevin Wolf wrote: >> Is there a check anywhere that the user didn't give us an odd block >> size? We could get an interesting bit mask otherwise. > > Not yet. I used to have such a check in the first incarnation of > the block topology patches, but I have no idea how to do it in a > centralized way using the qdev attributs. > > Does anyone know if there's a better way to do this than just > duplicating the check in every driver?
We could probably introduce a new qdev property type that says "unsigned 16 bit integer, but only powers of two", and doing this looks quite easy. On the other hand, having a new type for each possible restriction sounds a bit silly... Kevin