On 10/18/2017 06:52 PM, Christoph Hellwig 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. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > block/genhd.c | 53 ++++++++++++++++++++++++++++++++++----------------- > include/linux/genhd.h | 1 + > 2 files changed, 36 insertions(+), 18 deletions(-) > To quote: On Fri, Oct 06, 2017 at 09:13 AM, Christoph Hellwig wrote: > On Fri, Oct 06, 2017 at 10:39:50AM +1100, NeilBrown wrote: [ .. ] >> >> There is some precedent for hiding things from /proc/partitions. >> removable devices like CDROMs are hidden, and you can easily hide >> individual devices by setting GENHD_FL_SUPPRESS_PARTITION_INFO. >> We might be able to get that through. It is certainly worth writing >> a patch and letting people experiment with it. > > No way in hell this would get through. Preemptive NAK right here. > > That whole idea is just amazingly stupid, and no one has even > explained a reason for it. I wonder what has changed ... Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)
