gfs2_grow(8) on Linux
The text dd47c9c2b618, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Expand a GFS2 filesystem
Flags it lists
-
-D -
-T -
-V -
-h -
-q