ocfs2: Check xattr block signatures properly.
[linux-2.6.git] / fs / ocfs2 / ocfs2.h
index a21a465..fef7ece 100644 (file)
@@ -473,6 +473,9 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb)
                (____gd)->bg_signature);                                \
 } while (0)
 
+#define OCFS2_IS_VALID_XATTR_BLOCK(ptr)                                        \
+       (!strcmp((ptr)->xb_signature, OCFS2_XATTR_BLOCK_SIGNATURE))
+
 static inline unsigned long ino_from_blkno(struct super_block *sb,
                                           u64 blkno)
 {