disable directio for access_log with variables
diff --git a/src/http/modules/ngx_http_log_module.c b/src/http/modules/ngx_http_log_module.c
index 4448363..775279c 100644
--- a/src/http/modules/ngx_http_log_module.c
+++ b/src/http/modules/ngx_http_log_module.c
@@ -430,6 +430,7 @@
     of.log = 1;
     of.valid = llcf->open_file_cache_valid;
     of.min_uses = llcf->open_file_cache_min_uses;
+    of.directio = NGX_MAX_OFF_T_VALUE;
 
     if (ngx_open_cached_file(llcf->open_file_cache, &log, &of, r->pool)
         != NGX_OK)