xfsdump(8) on Linux
The text 2cd8aef1e173, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
XFS filesystem incremental dump utility
Flags it lists
-
-A -
-B -
-E -
-F -
-I -
-J -
-L -
-O -
-R -
-T -
-Y -
-a -
-b -
-c -
-d -
-e -
-l -
-m -
-o -
-p -
-q -
-t -
-v -
-z