config: reuse reserved label and GPT name constants

src/types.rs

@@ -18,6 +18,16 @@
 use clap::ValueEnum;
 use serde::{Deserialize, Serialize};
 
+/// Reserved filesystem labels.
+pub const LABEL_ZOSBOOT: &str = "ZOSBOOT";
+pub const LABEL_ZOSDATA: &str = "ZOSDATA";
+pub const LABEL_ZOSCACHE: &str = "ZOSCACHE";
+
+/// Reserved GPT partition names.
+pub const GPT_NAME_ZOSBOOT: &str = "zosboot";
+pub const GPT_NAME_ZOSDATA: &str = "zosdata";
+pub const GPT_NAME_ZOSCACHE: &str = "zoscache";
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct LoggingConfig {
     /// Log level: "error" | "warn" | "info" | "debug"