ssc: add page_format variable and log page format parameter in ssc_mode_select

Add page_format variable and log page format parameter in ssc_mode_select.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Signed-off-by: Mark Harvey <markh794@gmail.com>
ssc: log unsupported service actions in ssc_read_position

Log unsupported service actions in ssc_read_position.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Signed-off-by: Mark Harvey <markh794@gmail.com>
vtllib: set partition to 0 in resp_read_position_long

Set partition to 0 in resp_read_position_long.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Signed-off-by: Mark Harvey <markh794@gmail.com>