From 89eae52df8c110525ce08e4b2bbb65f79b8bc9f2 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Tue, 12 Oct 2010 12:06:52 +0000
Subject: file AIO read may be posted inside loop

---
 src/core/ngx_output_chain.c            | 12 ++++++------
 src/http/ngx_http_copy_filter_module.c |  1 +
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/core/ngx_output_chain.c b/src/core/ngx_output_chain.c
index f51d69000..4f100a818 100644
--- a/src/core/ngx_output_chain.c
+++ b/src/core/ngx_output_chain.c
@@ -74,18 +74,18 @@ ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in)
         }
     }
 
-#if (NGX_HAVE_FILE_AIO)
-    if (ctx->aio) {
-        return NGX_AGAIN;
-    }
-#endif
-
     out = NULL;
     last_out = &out;
     last = NGX_NONE;
 
     for ( ;; ) {
 
+#if (NGX_HAVE_FILE_AIO)
+        if (ctx->aio) {
+            return NGX_AGAIN;
+        }
+#endif
+
         while (ctx->in) {
 
             /*
diff --git a/src/http/ngx_http_copy_filter_module.c b/src/http/ngx_http_copy_filter_module.c
index d492f321d..2dd4a627b 100644
--- a/src/http/ngx_http_copy_filter_module.c
+++ b/src/http/ngx_http_copy_filter_module.c
@@ -211,6 +211,7 @@ ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx, ngx_file_t *file)
 
     r->main->blocked++;
     r->aio = 1;
+    ctx->aio = 1;
 }
 
 
-- 
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