cp2_version 888 fs/f2fs/checkpoint.c unsigned long long cp1_version = 0, cp2_version = 0; cp2_version 909 fs/f2fs/checkpoint.c cp2 = validate_checkpoint(sbi, cp_start_blk_no, &cp2_version); cp2_version 912 fs/f2fs/checkpoint.c if (ver_after(cp2_version, cp1_version))