nginx 0.8.18 *) Feature: the "read_ahead" directive. *) Feature: now several "perl_modules" directive may be used. *) Feature: the "limit_req_log_level" and "limit_conn_log_level" directives. *) Bugfix: now "limit_req" directive conforms to the leaky bucket algorithm. Thanks to Maxim Dounin. *) Bugfix: nginx did not work on Linux/sparc. Thanks to Marcus Ramberg. *) Bugfix: nginx sent '\0' in a "Location" response header line on MKCOL request. Thanks to Xie Zhenye. *) Bugfix: zero status code was logged instead of 499 status code; the bug had appeared in 0.8.11. *) Bugfix: socket leak; the bug had appeared in 0.8.11.

--- a/src/core/ngx_open_file_cache.h
+++ b/src/core/ngx_open_file_cache.h
@@ -21,6 +21,7 @@ typedef struct {
     time_t                   mtime;
     off_t                    size;
     off_t                    directio;
+    size_t                   read_ahead;
 
     ngx_err_t                err;
     char                    *failed;