From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Mon, 26 Jan 2015 07:53:57 +0000 (+0800)
Subject: ObjectCacher: Only r >= 0, it need the read data.
X-Git-Tag: v0.93~139^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F3531%2Fhead;p=ceph.git

ObjectCacher: Only r >= 0, it need the read data.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
---

diff --git a/src/osdc/ObjectCacher.cc b/src/osdc/ObjectCacher.cc
index f54c356c128..3ee61991c84 100644
--- a/src/osdc/ObjectCacher.cc
+++ b/src/osdc/ObjectCacher.cc
@@ -663,7 +663,7 @@ void ObjectCacher::bh_read_finish(int64_t poolid, sobject_t oid, ceph_tid_t tid,
 		<< " outstanding reads " << reads_outstanding
 		<< dendl;
 
-  if (bl.length() < length) {
+  if (r >= 0 && bl.length() < length) {
     bufferptr bp(length - bl.length());
     bp.zero();
     ldout(cct, 7) << "bh_read_finish " << oid << " padding " << start << "~" << length