This patch extracts LBA + sectors for VERIFY, and adds a goto check_lba
to perform the end-of-device checking.

(Update patch to drop lba_check usage - nab)
Signed-off-by: NChristophe Vu-Brugier <cvubrugier@yahoo.fr>
Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>