This avoids situations in which fuser hangs because of open files on
remote file systems when the remote system goes down.
I have also passed this bug on to the maintainers of psmisc since it
should really be fixed in fuser.
This is based on a patch submitted by evermind@tuxfamily.org
Reported-by: evermind@tuxfamily.org
X-Gentoo-Bug: 455458
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=455458