From: Darrick J. Wong <djwong@kernel.org>
Clean up the string quoting in this script so that we don't trip over
users feeding us arguments like "/dev/sd ha ha ha lol".
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <redacted>
Reviewed-by: Christoph Hellwig <hch@lst.de>