From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Mon, 14 Mar 2016 15:42:39 +0000 (+0800)
Subject: os/filestore/FileStore: only offset=len=0 mean read all data of object.
X-Git-Tag: v10.1.0~53^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=80f3bc786753c6bd3337e9102644e35c5a785dfb;p=ceph.git

os/filestore/FileStore: only offset=len=0 mean read all data of object.

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

diff --git a/src/os/filestore/FileStore.cc b/src/os/filestore/FileStore.cc
index 6cd4134ce94..19a855788a8 100644
--- a/src/os/filestore/FileStore.cc
+++ b/src/os/filestore/FileStore.cc
@@ -2973,7 +2973,7 @@ int FileStore::read(
     return r;
   }
 
-  if (len == 0) {
+  if (offset == 0 && len == 0) {
     struct stat st;
     memset(&st, 0, sizeof(struct stat));
     int r = ::fstat(**fd, &st);