On Thu, 2019-07-04 at 07:41 +0200, Greg KH wrote: > On Thu, Jul 04, 2019 at 08:57:53AM +1000, Benjamin Herrenschmidt > wrote: > > On Wed, 2019-07-03 at 21:37 +0200, Greg KH wrote: > > > Ok, I guess I have to take this patch, as the other one is so bad > > > :) > > > > > > But, I need a very large comment here saying why we are poking > > > around in > > > a kref and why we need to do this, at the expense of anything > > > else. > > > > > > So can you respin this patch with a comment here to help explain > > > it so > > > we have a chance to understand it when we run across this line in > > > 10 > > > years? > > > > Also are we confident that an open dir on the glue dir from > > userspace > > won't keep the kref up ? > > How do you "open" a directory which raises the kref?
Hrm.. kernfs foo .. not sure. You probably can't :-) I don't know. Cheers, Ben.