On Wed, Oct 04 2006, Jens Axboe wrote: > On Wed, Oct 04 2006, saeed bishara wrote: > > the NCQ commands contain the FUA (force unit access) field > > (mandatory), so disabling the NCQ will waste this feature. > > I don't know how much ans when this feature is usuable, but someday it > > can be usefull. > > It's already useful, for io barriers. Yet another reason why the > distinction between depth == 1 and NCQ needs to available. Ehm, I completely missed the bigger picture - non-ncq has FUA available too. So NCQ or not has no bearing on FUA functionality. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
