nilfs-tune(8) on Linux
The text 7634064d15d7, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
adjust tunable file system parameters on NILFS file system
Flags it lists
-
-L -
-O -
-U -
-f -
-h -
-i -
-l -
-m