nginx 0.7.17 *) Feature: now the "directio" directive works on Linux. *) Feature: the $pid variable. *) Bugfix: the "directio" optimization that had appeared in 0.7.15 did not work with open_file_cache. *) Bugfix: the "access_log" with variables did not work on Linux; the bug had appeared in 0.7.7. *) Bugfix: the ngx_http_charset_module did not understand quoted charset name received from backend.

--- a/src/core/ngx_buf.h
+++ b/src/core/ngx_buf.h
@@ -79,6 +79,9 @@ typedef struct {
 
     unsigned                     sendfile;
     unsigned                     directio;
+#if (NGX_HAVE_ALIGNED_DIRECTIO)
+    unsigned                     unaligned;
+#endif
     unsigned                     need_in_memory;
     unsigned                     need_in_temp;