resize2fs: Add options to print (and resizing to) the minimum filesystem size

Add the -P option to print the minimum filesystem size and exit.

Add the -M option to force resizing the filesystem to the minimum
filesystem size.

Signed-off-by: Josef Back <jbacik@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
4 files changed