[CRIU] [PATCH] mnt: Use ns_mountpoint to open a mount point

[Cyrill Gorcunov]

On Mon, Oct 12, 2015 at 01:47:52PM +0300, Pavel Emelyanov wrote:
> 
> > 2) Opening mountpoints should be done using @ns_mountpoint as
> >    a reference. This is a second part of the bug above fixed.
> >    That is _this_ patch.
> > 
> > Now once mountpoints order and their openup is fixed we faced
> > problems with opening watchees in fsnotify code. And here
> > two patches which should address it.
> 
> Can I see the test that triggers this BUG?

Didn't invent one yet. I'm testing it on failing tamplate,
but definitely will create one.

> > 3) Andrew's fsnotify: save mnt_id with path (which address
> >    tmpfs only)
> 
> Tmpfs? Why tmpfs only, fro my perspective it should fix anything.
> BTW, I recall there was another issue with unlinked files on tmpfs.
> How about that one?

It doesn't fix everything, as we found there is problem with bindmount
case. So Andrew did a fix for tmpfs and a test for it. The bindmount
case is anothe problem and gonna be addressed on top.

What about unlinked files, mind to refresh?