1 files changed, 45 insertions, 0 deletions

diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h
index 1d8314c7656d..5a1ebc789f7e 100644
--- a/fs/ocfs2/xattr.h
+++ b/fs/ocfs2/xattr.h
@@ -30,13 +30,58 @@ enum ocfs2_xattr_type {
         OCFS2_XATTR_MAX
 };
 
+struct ocfs2_security_xattr_info {
+        int enable;
+        char *name;
+        void *value;
+        size_t value_len;
+};
+
 extern struct xattr_handler ocfs2_xattr_user_handler;
 extern struct xattr_handler ocfs2_xattr_trusted_handler;
+extern struct xattr_handler ocfs2_xattr_security_handler;
+#ifdef CONFIG_OCFS2_FS_POSIX_ACL
+extern struct xattr_handler ocfs2_xattr_acl_access_handler;
+extern struct xattr_handler ocfs2_xattr_acl_default_handler;
+#endif
 extern struct xattr_handler *ocfs2_xattr_handlers[];
 
 ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
+int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int,
+                           const char *, void *, size_t);
 int ocfs2_xattr_set(struct inode *, int, const char *, const void *,
                     size_t, int);
+int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *,
+                           int, const char *, const void *, size_t, int,
+                           struct ocfs2_alloc_context *,
+                           struct ocfs2_alloc_context *);
 int ocfs2_xattr_remove(struct inode *, struct buffer_head *);
+int ocfs2_init_security_get(struct inode *, struct inode *,
+                            struct ocfs2_security_xattr_info *);
+int ocfs2_init_security_set(handle_t *, struct inode *,
+                            struct buffer_head *,
+                            struct ocfs2_security_xattr_info *,
+                            struct ocfs2_alloc_context *,
+                            struct ocfs2_alloc_context *);
+int ocfs2_calc_security_init(struct inode *,
+                             struct ocfs2_security_xattr_info *,
+                             int *, int *, struct ocfs2_alloc_context **);
+int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *,
+                          int, struct ocfs2_security_xattr_info *,
+                          int *, int *, struct ocfs2_alloc_context **);
+
+/*
+ * xattrs can live inside an inode, as part of an external xattr block,
+ * or inside an xattr bucket, which is the leaf of a tree rooted in an
+ * xattr block.  Some of the xattr calls, especially the value setting
+ * functions, want to treat each of these locations as equal.  Let's wrap
+ * them in a structure that we can pass around instead of raw buffer_heads.
+ */
+struct ocfs2_xattr_value_buf {
+        struct buffer_head              *vb_bh;
+        ocfs2_journal_access_func       vb_access;
+        struct ocfs2_xattr_value_root   *vb_xv;
+};
+
 
 #endif /* OCFS2_XATTR_H */