From 7bf12ee7d96fe41b473209b412dcfff41951ebf8 Mon Sep 17 00:00:00 2001
From: Christopher Dryden <christopher.paul.dryden@gmail.com>
Date: Sat, 10 Jan 2026 08:24:13 +0000
Subject: [PATCH] df: add rootfs to is_dummy_filesystem

---
 src/uucore/src/lib/features/fsext.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/uucore/src/lib/features/fsext.rs b/src/uucore/src/lib/features/fsext.rs
index 0b6e59acb5d..c31b8272599 100644
--- a/src/uucore/src/lib/features/fsext.rs
+++ b/src/uucore/src/lib/features/fsext.rs
@@ -393,6 +393,8 @@ fn is_dummy_filesystem(fs_type: &str, mount_option: &str) -> bool {
         | "kernfs"
         // for Irix 6.5
         | "ignore"
+        // Linux initial root filesystem
+        | "rootfs"
         // Binary format support pseudo-filesystem
         | "binfmt_misc" => true,
         _ => fs_type == "none"