diff --git a/fs/proc/fd.h b/fs/proc/fd.h
index cbb1d47..7c047f2 100644
--- a/fs/proc/fd.h
+++ b/fs/proc/fd.h
@@ -11,4 +11,9 @@
 
 extern int proc_fd_permission(struct inode *inode, int mask);
 
+static inline int proc_fd(struct inode *inode)
+{
+	return PROC_I(inode)->fd;
+}
+
 #endif /* __PROCFS_FD_H__ */