nginx 0.7.15 *) Feature: the ngx_http_random_index_module. *) Feature: the "directio" directive has been optimized for file requests starting from arbitrary position. *) Feature: the "directio" directive turns off sendfile if it is necessary. *) Feature: now nginx allows underscores in a client request header line names.

--- a/src/core/ngx_buf.h
+++ b/src/core/ngx_buf.h
@@ -78,6 +78,7 @@ typedef struct {
     ngx_chain_t                 *busy;
 
     unsigned                     sendfile;
+    unsigned                     directio;
     unsigned                     need_in_memory;
     unsigned                     need_in_temp;