EXT4_MMP_CHECK_MULT 154 fs/ext4/mmp.c mmp_check_interval = max(EXT4_MMP_CHECK_MULT * mmp_update_interval, EXT4_MMP_CHECK_MULT 234 fs/ext4/mmp.c mmp_check_interval = max(min(EXT4_MMP_CHECK_MULT * diff / HZ,