16812 fsck_pcfs: need to support 4kn sector size
Reviewed by: Bill Sommerfeld <sommerfeld@hamachi.org>
Reviewed by: Andy Fiddaman <illumos@fiddaman.net>
Approved by: Dan McDonald <danmcd@mnx.io>

81 remove 'is_z_a_power_of_x_le_y' from pcfs utils
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Reviewed by: Gordon Ross <gwr@nexenta.com>
Approved by: Garrett D'Amore <garrett@nexenta.com>

OpenSolaris Launch