This adds a concise description of a tool to its usage text.
A first form of this patch was proposed by Steven Honeyman
(see http://www.spinics.net/lists/util-linux-ng/msg09994.html).
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
This is a simple wrapper for BLKPG_RESIZE_PARTITION (since kernel 3.6).
Co-Author: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>