envfs indeed handles directories, at least since 2007: | commit 913691e | Author: Sascha Hauer <s.hauer@pengutronix.de> | Date: Tue Sep 25 12:58:52 2007 +0200 | | add directory handling for environment Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
913691e