initramfs: Bind mount /etc

This is prep work for eventual integration with composefs-native backend

Signed-off-by: Johan-Liebert1 <[email protected]>

Author: Johan-Liebert1

crates/initramfs/src/mount.rs

@@ -306,7 +306,7 @@ pub fn setup_root(args: Args) -> Result<()> {
 
     // etc + var
     let state = open_dir(open_dir(&sysroot, "state/deploy")?, image.to_hex())?;
-    mount_subdir(&new_root, &state, "etc", config.etc, MountType::Overlay)?;
+    mount_subdir(&new_root, &state, "etc", config.etc, MountType::Bind)?;
     mount_subdir(&new_root, &state, "var", config.var, MountType::Bind)?;
 
     if cfg!(not(feature = "pre-6.15")) {