> From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> > Sent: Wednesday, January 30, 2019 11:38 AM > > On Wed, Jan 30, 2019 at 06:48:40PM +0000, Dexuan Cui wrote: > > > > Let's expose the info to the userspace (e.g. ntctl) via sysfs. > > If you add a new sysfs file, you need to add a new Documentation/ABI/ > update as well :( It's an existing sysfs node, which was originally added by Dan in Sep 2018: /sys/bus/nd/devices/nmem0/nfit/dirty_shutdown. Before this patch, the node doesn't appear when Linux runs on Hyper-V, and with this patch, the node can appear now. However, indeed, the node and the other related nodes have not been documented in Documentation/ABI/testing/sysfs-bus-nfit yet. I suppose Dan would add that? Thanks, -- Dexuan
