subrequests      2176 http/ngx_http_core_module.c     r->main->subrequests--;
subrequests      2178 http/ngx_http_core_module.c     if (r->main->subrequests == 0) {
subrequests      2181 http/ngx_http_core_module.c         r->main->subrequests = 1;
subrequests      2287 http/ngx_http_core_module.c     r->main->subrequests++;
subrequests       503 http/ngx_http_request.c     r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
subrequests       427 http/ngx_http_request.h     unsigned                          subrequests:8;