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-rw-r--r--include/uapi/linux/magic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
index b283d56c1db9..0de181ad73d5 100644
--- a/include/uapi/linux/magic.h
+++ b/include/uapi/linux/magic.h
@@ -31,6 +31,7 @@
#define PSTOREFS_MAGIC 0x6165676C
#define EFIVARFS_MAGIC 0xde5e81e4
#define HOSTFS_SUPER_MAGIC 0x00c0ffee
+#define OVERLAYFS_SUPER_MAGIC 0x794c7630
#define MINIX_SUPER_MAGIC 0x137F /* minix v1 fs, 14 char names */
#define MINIX_SUPER_MAGIC2 0x138F /* minix v1 fs, 30 char names */