Upstream: sendfile_max_chunk support.

Previously, connections to upstream servers used sendfile() if it was
enabled, but never honored sendfile_max_chunk.  This might result
in worker monopolization for a long time if large request bodies
are allowed.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/core/ngx_output_chain.c b/src/core/ngx_output_chain.c
index 5c3dbe872..fd4603b19 100644
--- a/src/core/ngx_output_chain.c
+++ b/src/core/ngx_output_chain.c
@@ -803,6 +803,10 @@ ngx_chain_writer(void *data, ngx_chain_t *in)
         return NGX_ERROR;
     }
 
+    if (chain && c->write->ready) {
+        ngx_post_event(c->write, &ngx_posted_next_events);
+    }
+
     for (cl = ctx->out; cl && cl != chain; /* void */) {
         ln = cl;
         cl = cl->next;