add advanced use of --help to help message
authorHubert Kario <kario@wit.edu.pl>
Sun, 23 Jan 2011 12:39:36 +0000 (13:39 +0100)
committerChris Mason <chris.mason@oracle.com>
Tue, 25 Oct 2011 13:18:32 +0000 (09:18 -0400)
commitd388a77636ad7bfcccd50840fc8d0bc098ba08f3
tree0a12766ba17c969c88ab413032f89db567828345
parent42f9568bfdbec6a294320b955e28ccd9c7178a01
add advanced use of --help to help message

explain how to use

        btrfs <cmd> --help

command in help message

Signed-off-by: Hubert Kario <kario@wit.edu.pl>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
btrfs.c