read_ahead
diff --git a/src/core/ngx_open_file_cache.c b/src/core/ngx_open_file_cache.c
index 5f6e0b2..6aa66fd 100644
--- a/src/core/ngx_open_file_cache.c
+++ b/src/core/ngx_open_file_cache.c
@@ -17,6 +17,9 @@
*/
+#define NGX_MIN_READ_AHEAD (128 * 1024)
+
+
static void ngx_open_file_cache_cleanup(void *data);
static ngx_int_t ngx_open_and_stat_file(u_char *name, ngx_open_file_info_t *of,
ngx_log_t *log);
@@ -524,6 +527,13 @@
} else {
of->fd = fd;
+ if (of->read_ahead && ngx_file_size(&fi) > NGX_MIN_READ_AHEAD) {
+ if (ngx_read_ahead(fd, of->read_ahead) == NGX_ERROR) {
+ ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
+ ngx_read_ahead_n " \"%s\" failed", name);
+ }
+ }
+
if (of->directio <= ngx_file_size(&fi)) {
if (ngx_directio_on(fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
