[PATCH 06/17] block: introduce GENHD_FL_HIDDEN

Fri Oct 27 23:15:23 PDT 2017

On Tue, Oct 24, 2017 at 09:18:47AM +0200, Hannes Reinecke wrote:
> Can we have some information in sysfs to figure out if a gendisk is
> hidden? I'd hate having to do an inverse lookup in /proc/partitions;
> it's always hard to prove that something is _not_ present.
> And we already present various information (like disk_removable_show()),
> so it's not without precedent.
> And it would make integration with systemd/udev easier.

Sure, I'll add a hidden flag sysfs file.