2 files changed, 9 insertions, 8 deletions
diff --git a/libio/libio.h b/libio/libio.h
index af74793369..11274aebb4 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -516,14 +516,6 @@ extern _IO_ssize_t _IO_wpadn (_IO_FILE *, wint_t, _IO_ssize_t) __THROW;
 extern void _IO_free_wbackup_area (_IO_FILE *) __THROW;
 #endif
 
-static inline void
-_IO_acquire_lock_fct (_IO_FILE **p)
-{
-  _IO_FILE *fp = *p;
-  if ((fp->_flags & _IO_USER_LOCK) == 0)
-    _IO_funlockfile (fp);
-}
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/libio/libioP.h b/libio/libioP.h
index 1d30eef5cd..1e66feaa78 100644
--- a/libio/libioP.h
+++ b/libio/libioP.h
@@ -970,3 +970,12 @@ extern struct _IO_fake_stdiobuf _IO_stdin_buf, _IO_stdout_buf, _IO_stderr_buf;
 #else
 # define CHECK_FILE(FILE, RET) COERCE_FILE (FILE)
 #endif
+
+static inline void
+__attribute__ ((__always_inline__))
+_IO_acquire_lock_fct (_IO_FILE **p)
+{
+  _IO_FILE *fp = *p;
+  if ((fp->_flags & _IO_USER_LOCK) == 0)
+    _IO_funlockfile (fp);
+}