diff -drupN a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
--- a/include/uapi/linux/magic.h	2018-08-06 17:23:04.000000000 +0300
+++ b/include/uapi/linux/magic.h	2022-06-12 05:28:14.000000000 +0300
@@ -53,6 +53,8 @@
 #define REISER2FS_SUPER_MAGIC_STRING	"ReIsEr2Fs"
 #define REISER2FS_JR_SUPER_MAGIC_STRING	"ReIsEr3Fs"
 
+#define SDCARDFS_SUPER_MAGIC	0x5dca2df5
+
 #define SMB_SUPER_MAGIC		0x517B
 #define CGROUP_SUPER_MAGIC	0x27e0eb
 #define CGROUP2_SUPER_MAGIC	0x63677270