1 files changed, 33 insertions, 0 deletions

diff --git a/include/linux/xattr.h b/include/linux/xattr.h
new file mode 100644
index 000000000000..23f9c61d9546
--- /dev/null
+++ b/include/linux/xattr.h
@@ -0,0 +1,33 @@
+/*
+  File: linux/xattr.h
+
+  Extended attributes handling.
+
+  Copyright (C) 2001 by Andreas Gruenbacher <a.gruenbacher@computer.org>
+  Copyright (c) 2001-2002 Silicon Graphics, Inc.  All Rights Reserved.
+  Copyright (c) 2004 Red Hat, Inc., James Morris <jmorris@redhat.com>
+*/
+#ifndef _LINUX_XATTR_H
+#define _LINUX_XATTR_H
+
+#define XATTR_CREATE    0x1     /* set value, fail if attr already exists */
+#define XATTR_REPLACE   0x2     /* set value, fail if attr does not exist */
+
+#define XATTR_SECURITY_PREFIX   "security."
+
+struct xattr_handler {
+        char *prefix;
+        size_t (*list)(struct inode *inode, char *list, size_t list_size,
+                       const char *name, size_t name_len);
+        int (*get)(struct inode *inode, const char *name, void *buffer,
+                   size_t size);
+        int (*set)(struct inode *inode, const char *name, const void *buffer,
+                   size_t size, int flags);
+};
+
+ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size);
+ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size);
+int generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags);
+int generic_removexattr(struct dentry *dentry, const char *name);
+
+#endif  /* _LINUX_XATTR_H */