move debug logging inside ngx_http_file_cache_free()
diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c
index a7e5c46..133a52e 100644
--- a/src/http/ngx_http_file_cache.c
+++ b/src/http/ngx_http_file_cache.c
@@ -915,8 +915,8 @@
 
     cache = c->file_cache;
 
-    ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->file.log, 0,
-                   "http file cache free");
+    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->file.log, 0,
+                   "http file cache free, fd: %d", c->file.fd);
 
     ngx_shmtx_lock(&cache->shpool->mutex);
 
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index b04b615..e8d8773 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -1725,9 +1725,6 @@
             if (r->cache) {
                 time_t  valid;
 
-                ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                               "http upstream cache fd: %d", r->cache->file.fd);
-
                 valid = ngx_http_file_cache_valid(u->conf->cache_valid, status);
 
                 if (valid) {
@@ -2992,9 +2989,6 @@
     if (u->cacheable && r->cache) {
         time_t  valid;
 
-        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                       "http upstream cache fd: %d", r->cache->file.fd);
-
         if (rc == NGX_HTTP_BAD_GATEWAY || rc == NGX_HTTP_GATEWAY_TIME_OUT) {
 
             valid = ngx_http_file_cache_valid(u->conf->cache_valid, rc);