From a0202f26c631d3f997cf700aa16243b0e1f3f470 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Tue, 19 Jul 2011 10:35:02 +0000
Subject: [PATCH] fix r3756: release lock to allow other process to delete
 cache node patch by Maxim Dounin

---
 src/http/ngx_http_file_cache.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c
index 03cd268b2..f44fe1de1 100644
--- a/src/http/ngx_http_file_cache.c
+++ b/src/http/ngx_http_file_cache.c
@@ -1099,7 +1099,8 @@ ngx_http_file_cache_expire(ngx_http_file_cache_t *cache)
         }
 
         if (fcn->deleting) {
-            continue;
+            wait = 1;
+            break;
         }
 
         p = ngx_hex_dump(key, (u_char *) &fcn->node.key,