Dan Williams <dan.j.williams@xxxxxxxxx> writes: > We also still seem to need a discovery mechanism as I've had questions > about "how do I tell if my system supports deep flush?". That's where > sysfs is much better than an ioctl. The need for deep flush discovery > tips the scales, at least for me, to also do deep flush triggering > through the same interface. Return ENXIO or EOPNOTSUPP from the ioctl when it isn't supported? Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html