+/*
+ * Determine whether a buffer is currently out on a read-ahead request.
+ * ip_io_sem should be held to serialize submitters with the logic here.
+ */
+int ocfs2_buffer_read_ahead(struct inode *inode,
+ struct buffer_head *bh)
+{
+ return buffer_locked(bh) && ocfs2_buffer_cached(OCFS2_I(inode), bh);
+}
+