remove never used zero copy stuff

3 files changed, 0 insertions, 18 deletions

diff --git a/src/http/modules/ngx_http_charset_filter_module.c b/src/http/modules/ngx_http_charset_filter_module.c
index 16b61689d..114542aed 100644
--- a/src/http/modules/ngx_http_charset_filter_module.c
+++ b/src/http/modules/ngx_http_charset_filter_module.c
@@ -541,12 +541,6 @@ ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
                 break;
             }
 
-#if (NGX_HAVE_WRITE_ZEROCOPY)
-            if (b->zerocopy_busy) {
-                break;
-            }
-#endif
-
             ctx->busy = cl->next;
 
             if (b->tag != (ngx_buf_tag_t) &ngx_http_charset_filter_module) {
diff --git a/src/http/modules/ngx_http_ssi_filter_module.c b/src/http/modules/ngx_http_ssi_filter_module.c
index 61c95929d..74a2c85d0 100644
--- a/src/http/modules/ngx_http_ssi_filter_module.c
+++ b/src/http/modules/ngx_http_ssi_filter_module.c
@@ -935,12 +935,6 @@ ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
             break;
         }
 
-#if (NGX_HAVE_WRITE_ZEROCOPY)
-        if (b->zerocopy_busy) {
-            break;
-        }
-#endif
-
         if (b->shadow) {
             b->shadow->pos = b->shadow->last;
         }
diff --git a/src/http/modules/ngx_http_sub_filter_module.c b/src/http/modules/ngx_http_sub_filter_module.c
index f40a3c654..1cec8b633 100644
--- a/src/http/modules/ngx_http_sub_filter_module.c
+++ b/src/http/modules/ngx_http_sub_filter_module.c
@@ -465,12 +465,6 @@ ngx_http_sub_output(ngx_http_request_t *r, ngx_http_sub_ctx_t *ctx)
             break;
         }
 
-#if (NGX_HAVE_WRITE_ZEROCOPY)
-        if (b->zerocopy_busy) {
-            break;
-        }
-#endif
-
         if (b->shadow) {
             b->shadow->pos = b->shadow->last;
         }