1 files changed, 3 insertions, 0 deletions

diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h
index e4629b93bdd6..40bbc04b6f81 100644
--- a/include/uapi/linux/xattr.h
+++ b/include/uapi/linux/xattr.h
@@ -20,6 +20,9 @@
 #define XATTR_MAC_OSX_PREFIX "osx."
 #define XATTR_MAC_OSX_PREFIX_LEN (sizeof(XATTR_MAC_OSX_PREFIX) - 1)
 
+#define XATTR_BTRFS_PREFIX "btrfs."
+#define XATTR_BTRFS_PREFIX_LEN (sizeof(XATTR_BTRFS_PREFIX) - 1)
+
 #define XATTR_SECURITY_PREFIX   "security."
 #define XATTR_SECURITY_PREFIX_LEN (sizeof(XATTR_SECURITY_PREFIX) - 1)