From: Mike Yuan <me@yhndnzj.com>
Date: Sat, 11 May 2024 01:11:28 +0800
Subject: libmount/utils: add pidfs to pseudo fs list

(cherry picked from commit 62cf52f81d5baaba2cfe6dfe00aa4975ebd55d92)
---
 libmount/src/utils.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libmount/src/utils.c b/libmount/src/utils.c
index a2f8ea0..94a877c 100644
--- a/libmount/src/utils.c
+++ b/libmount/src/utils.c
@@ -340,6 +340,7 @@ int mnt_fstype_is_pseudofs(const char *type)
 		"none",
 		"nsfs",
 		"overlay",
+		"pidfs",
 		"pipefs",
 		"proc",
 		"pstore",