From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Tue, 26 Sep 2017 11:35:10 +0000 (+0800)
Subject: os/bluestore/BlueFS: check device id before using hint
X-Git-Tag: v13.0.1~766^2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=ef0c60fe083c290b947dd71c102d79fd276b74da;p=ceph-ci.git

os/bluestore/BlueFS: check device id before using hint

As we might be allocating space from different devices (though
the chance is rare).

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc
index 0805f843ad3..9159e28812d 100644
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -1828,7 +1828,7 @@ int BlueFS::_allocate(uint8_t id, uint64_t len,
   }
 
   uint64_t hint = 0;
-  if (!ev->empty()) {
+  if (!ev->empty() && ev->back().bdev == id) {
     hint = ev->back().end();
   }