mkfs: enable large extent counts by default

Format filesystems with the large extent counter feature turned on.
We shall now support 64-bit extent counts for the data fork and 32-bit
extent counts for the attr fork.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
2 files changed