Hi Alberto, On 5 June 2016 at 15:37, Alberto Bursi <alberto.bursi@xxxxxxxxxx> wrote: > > Hi, I'm running Debian ARM on a Marvell Kirkwood-based 2-disk NAS. > > Kirkwood SoCs have a XOR engine that can hardware-accelerate crc32c > checksumming, and from what I see in kernel mailing lists it seems to have a > linux driver and should be supported. > > I wanted to ask if there is a way to test if it is working at all. > > How do I force btrfs to use software checksumming for testing purposes? Is there a mv_xor.ko module you can blacklist? I'm not familiar with the platform, but I imagine you'll have to blacklist it and reboot, because I'm guessing the module can't be removed once it's loaded. 'just a guess, Nicholas -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
