On 10/31/20 2:58 AM, Christoph Hellwig wrote: > -ENOTTY is the convention for "driver does not support this ioctl". > Use it properly in mtip32xx instead of the bogys -EINVAL. While that's certainly true, there is a risk in making a change like this years after the fact. Not that I expect there are any mtip32xx users left at this point, but... -- Jens Axboe