From 0e89fe0f32e8f762d96cbbdd67bc50b19b8bf039 Mon Sep 17 00:00:00 2001
From: sage <sage@29311d96-e01e-0410-9327-a35deaab8ce9>
Date: Tue, 14 Jun 2005 21:19:32 +0000
Subject: [PATCH] *** empty log message ***

git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@316 29311d96-e01e-0410-9327-a35deaab8ce9
---
 ceph/config.cc      |  2 +-
 ceph/include/lru.h  | 26 ++++++++++++++++++++++++++
 ceph/mds/MDCache.cc |  6 ++++--
 3 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/ceph/config.cc b/ceph/config.cc
index 0cb8542b3f973..c54c588eb9b1f 100644
--- a/ceph/config.cc
+++ b/ceph/config.cc
@@ -21,7 +21,7 @@ md_config_t g_conf = {
   log_name: (char*)0,
 
   log_messages: true,
-  log_pins: false,
+  log_pins: true,
 
   fake_clock: false,
   fakemessenger_serialize: true,
diff --git a/ceph/include/lru.h b/ceph/include/lru.h
index a6b9fce0b94a9..da4ceab937775 100644
--- a/ceph/include/lru.h
+++ b/ceph/include/lru.h
@@ -116,7 +116,26 @@ class LRU {
 	lru_num_pinned += !o->lru_expireable;
   }
 
+  // insert at bottom of lru
+  void lru_insert_bot(LRUObject *o) {
+	assert(!o->lru);
+	o->lru = this;
 
+	o->lru_in_top = false;
+	o->lru_next = NULL;
+	o->lru_prev = lru_bottail;
+	if (lru_bottail) {
+	  lru_bottail->lru_next = o;
+	} else {
+	  lru_bothead = o;
+	}
+	lru_bottail = o;
+	lru_nbot++;
+	lru_num++;
+	lru_num_pinned += !o->lru_expireable;
+  }
+
+  
 
 
   // adjust top/bot balance, as necessary
@@ -189,6 +208,13 @@ class LRU {
 	return true;
   }
 
+  // touch item -- move to bottom
+  bool lru_bottouch(LRUObject *o) {
+	lru_remove(o);
+	lru_insert_bot(o);
+	return true;
+  }
+
 
   // expire -- expire a single item
   LRUObject *lru_expire() {
diff --git a/ceph/mds/MDCache.cc b/ceph/mds/MDCache.cc
index ab11385a1b23d..3b4ef8339f222 100644
--- a/ceph/mds/MDCache.cc
+++ b/ceph/mds/MDCache.cc
@@ -5675,6 +5675,9 @@ void MDCache::encode_export_inode(CInode *in, crope& state_rope, int new_auth)
   in->replica_nonce = CINODE_EXPORT_NONCE;
   
   // *** other state too?
+
+  // move to end of LRU so we drop it out of cache quickly!
+  lru.lru_bottouch(in);
 }
 
 
@@ -6436,8 +6439,7 @@ void MDCache::decode_import_inode(CDentry *dn, crope& r, int& off, int oldauth,
   // other
   if (in->is_dirty()) {
 	dout(10) << "logging dirty import " << *in << endl;
-	mds->mdlog->submit_entry(new EInodeUpdate(in),
-							 NULL);   // FIXME pay attention to completion?
+	mds->mdlog->submit_entry(new EInodeUpdate(in));
   }
 }
 
-- 
2.47.3