As far as I can tell this has never been used at all, and certainly
not any time recently.
Reviewed-by: NMiroslav Benes <mbenes@suse.cz>
Reviewed-by: NEmil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NJessica Yu <jeyu@kernel.org>