gfs2_mkfs(8) on Linux
The text 4f34a4e3301b, as Debian 11 (Bullseye), Debian 10 (Buster) shipped it.
create a gfs2 filesystem
Flags it lists
-
-D -
-J -
-K -
-O -
-V -
-b -
-c -
-h -
-j -
-o -
-p -
-q -
-r -
-t