Add support for 64-bit bitmaps

Initial design was done by Theodore Ts'o; implementation was fleshed
out by Valerie Aurora Henson.  Also includes some fixes from Nick Dokos.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Valerie Aurora Henson <vaurora@redhat.com>
Signed-off-by: Nick Dokos <nicholas.dokos@hp.com>
9 files changed