On Wed, Sep 14, 2016 at 02:14:45PM +0800, Ian Kent wrote: > If an automount mount is clone(2)ed into a file system that is > propagation private, when it later expires in the originating > namespace subsequent calls to autofs ->d_automount() for that > dentry in the original namespace will return ELOOP until the > mount is manually umounted in the cloned namespace. > > In the same way, if an autofs mount is triggered by automount(8) > running within a container the dentry will be seen as mounted in > the root init namespace and calls to ->d_automount() in that namespace > will return ELOOP until the mount is umounted within the container. > > Also, have_submounts() can return an incorect result when a mount > exists in a namespace other than the one being checked. > > Signed-off-by: Ian Kent <ra...@themaw.net> > Cc: Al Viro <v...@zeniv.linux.org.uk> > Cc: Eric W. Biederman <ebied...@xmission.com> > Cc: Omar Sandoval <osan...@osandov.com>
I can confirm that this fixes my repro and hasn't caused any other problems as far as I can tell. Tested-by: Omar Sandoval <osan...@fb.com> -- Omar
