From: Jianjian Huo <samuel.huo@gmail.com>
Date: Wed, 3 Feb 2016 05:19:37 +0000 (-0500)
Subject: os/bluestore: insert new onode to the front position of onode LRU
X-Git-Tag: v10.0.4~56^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=caed88264d77f860376d4213cc98309a5daf3af2;p=ceph.git

os/bluestore: insert new onode to the front position of onode LRU

When new added onode comes, it should go to the front of the LRU,
since it's least recently used.

Signed-off-by: Jianjian Huo <samuel.huo@gmail.com>
---

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index d0a1451ae68a..f0542d05ee6b 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -495,7 +495,7 @@ void BlueStore::OnodeHashLRU::add(const ghobject_t& oid, OnodeRef o)
   dout(30) << __func__ << " " << oid << " " << o << dendl;
   assert(onode_map.count(oid) == 0);
   onode_map[oid] = o;
-  lru.push_back(*o);
+  lru.push_front(*o);
 }
 
 BlueStore::OnodeRef BlueStore::OnodeHashLRU::lookup(const ghobject_t& oid)