mkfs.gfs2(8) on Linux
The text e6bfd2c1d21c, as Debian 8 (Jessie) shipped it.
Make a GFS2 filesystem
Flags it lists
-
-D -
-J -
-K -
-O -
-V -
-b -
-c -
-h -
-j -
-p -
-q -
-r -
-t -
-u