On Sun, Dec 02, 2012 at 01:32:17AM +0000, Julian Yon wrote: > > I don't care about the block granularity of the interface. (Unless I > > suppose it's larger than the atomic write size; but that would be > > weird.) > > If it's smaller than the atomic write size that's equally weird. > Because that implies that the designers have made the explicit decision > to sacrifice performance for no gain. But there is a cost: they had to > write firmware code to emulate that block size.
It's not weird, and there is a gain; it's for compatibility with large amounts of deployed code that assumes all devices have 512-byte blocks. -- David A. Holland dholl...@netbsd.org