> > Barriers are pretty much universal as you need them for power off ! > > I'm afraid, no storage (drives, if you like this term more) at the moment > supports > barriers and, as far as I know the storage history, has never supported.
The ATA cache flush is a write barrier, and given you have no NV cache visible to the controller it's the same thing. > Instead, what storage does support in this area are: Yes - the devil is in the detail once you go beyond simple capabilities. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
