1 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index 366f0ab4219f..cda8a96e2fa0 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -13,7 +13,22 @@
 #define XATTR_CREATE    0x1     /* set value, fail if attr already exists */
 #define XATTR_REPLACE   0x2     /* set value, fail if attr does not exist */
 
+/* Namespaces */
+#define XATTR_OS2_PREFIX "os2."
+#define XATTR_OS2_PREFIX_LEN (sizeof (XATTR_OS2_PREFIX) - 1)
+
 #define XATTR_SECURITY_PREFIX   "security."
+#define XATTR_SECURITY_PREFIX_LEN (sizeof (XATTR_SECURITY_PREFIX) - 1)
+
+#define XATTR_SYSTEM_PREFIX "system."
+#define XATTR_SYSTEM_PREFIX_LEN (sizeof (XATTR_SYSTEM_PREFIX) - 1)
+
+#define XATTR_TRUSTED_PREFIX "trusted."
+#define XATTR_TRUSTED_PREFIX_LEN (sizeof (XATTR_TRUSTED_PREFIX) - 1)
+
+#define XATTR_USER_PREFIX "user."
+#define XATTR_USER_PREFIX_LEN (sizeof (XATTR_USER_PREFIX) - 1)
+
 
 struct xattr_handler {
         char *prefix;