DPOLICY_UMOUNT   1101 fs/f2fs/segment.c 	} else if (discard_type == DPOLICY_UMOUNT) {
DPOLICY_UMOUNT   1629 fs/f2fs/segment.c 	__init_discard_policy(sbi, &dp, DPOLICY_UMOUNT, 1);
DPOLICY_UMOUNT   1678 fs/f2fs/segment.c 	__init_discard_policy(sbi, &dpolicy, DPOLICY_UMOUNT,