busy_bufs        2378 http/ngx_http_upstream.c             if (u->out_bufs || u->busy_bufs) {
busy_bufs        2386 http/ngx_http_upstream.c                 ngx_chain_update_chains(&u->free_bufs, &u->busy_bufs,
busy_bufs        2390 http/ngx_http_upstream.c             if (u->busy_bufs == NULL) {
busy_bufs         272 http/ngx_http_upstream.h     ngx_chain_t                     *busy_bufs;