On Mon, Oct 23 2017 at 10:51am -0400, Christoph Hellwig <hch@xxxxxx> wrote: > With this flag a driver can create a gendisk that can be used for I/O > submission inside the kernel, but which is not registered as user > facing block device. This will be useful for the NVMe multipath > implementation. Having the NVme driver go to such lengths to hide its resources from upper layers is certainly the work of an evil genius experiencing some serious territorial issues. Not sugar-coating it.. you wouldn't. I kept meaning to reply to your earlier iterations on this series to ask: can we please get a CONFIG_NVME_MULTIPATHING knob to make it so that the NVMe driver doesn't implicitly consume (and hide) all per-controler devices? Ah well. There is only one correct way to do NVMe multipathing after all right?
