From 7d199110fb0a46796bfe8422ee103b837deb964f Mon Sep 17 00:00:00 2001 From: fang yuxiang Date: Wed, 3 May 2017 13:46:50 +0800 Subject: [PATCH] rgw: don't do unneccesary write if buffer with zero length Don't do unneccesary write if buffer with zero length, or there will be one more shadow stripe rados object with size 0 Signed-off-by: fang yuxiang (cherry picked from commit 4e21f7ea2167be7793273f31faeb0aa95f0fa30a) --- src/rgw/rgw_rados.cc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/rgw/rgw_rados.cc b/src/rgw/rgw_rados.cc index 46cdec1d0bf73..598d2564ad312 100644 --- a/src/rgw/rgw_rados.cc +++ b/src/rgw/rgw_rados.cc @@ -2310,6 +2310,9 @@ int RGWPutObjProcessor_Atomic::write_data(bufferlist& bl, off_t ofs, void **phan *pobj = cur_obj; + if (!bl.length()) + return 0; + return RGWPutObjProcessor_Aio::handle_obj_data(cur_obj, bl, ofs - cur_part_ofs, ofs, phandle, exclusive); } -- 2.39.5