DEVID_MINOR_NAME_ALL_BLK
(minor_name == DEVID_MINOR_NAME_ALL_BLK))
((minor_name == DEVID_MINOR_NAME_ALL_BLK) &&
(minor_name != DEVID_MINOR_NAME_ALL_BLK)) {
(minor_name != DEVID_MINOR_NAME_ALL_BLK) &&
if ((minor_name == DEVID_MINOR_NAME_ALL_BLK) &&
(minor_name != DEVID_MINOR_NAME_ALL_BLK))