Merge of r4920, r4939: ngx_write_chain_to_file() fixes.
*) Core: added debug logging of writev() in ngx_write_chain_to_file().
*) Core: fixed ngx_write_chain_to_file() with IOV_MAX reached.
Catched by dav_chunked.t on Solaris. In released versions this might
potentially result in corruption of complex protocol responses if they
were written to disk and there were more distinct buffers than IOV_MAX
in a single write.
diff --git a/src/os/unix/ngx_files.c b/src/os/unix/ngx_files.c
index d71aec3..4fdf884 100644
--- a/src/os/unix/ngx_files.c
+++ b/src/os/unix/ngx_files.c
@@ -241,8 +241,12 @@
return NGX_ERROR;
}
+ ngx_log_debug2(NGX_LOG_DEBUG_CORE, file->log, 0,
+ "writev: %d, %z", file->fd, n);
+
file->sys_offset += n;
file->offset += n;
+ offset += n;
total += n;
} while (cl);
