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-rw-r--r--target/linux/x86/base-files/lib/preinit/20_check_iso5
1 files changed, 5 insertions, 0 deletions
diff --git a/target/linux/x86/base-files/lib/preinit/20_check_iso b/target/linux/x86/base-files/lib/preinit/20_check_iso
new file mode 100644
index 0000000000..beff6eba09
--- /dev/null
+++ b/target/linux/x86/base-files/lib/preinit/20_check_iso
@@ -0,0 +1,5 @@
+check_for_iso() {
+ grep -qE '/dev/root.*iso9660' /proc/mounts && ramoverlay
+}
+
+boot_hook_add preinit_mount_root check_for_iso