From: Greg Farnum <gregf@hq.newdream.net>
Date: Wed, 15 Dec 2010 00:45:21 +0000 (-0800)
Subject: mdlog: Add some helper functions for accessing segments map data.
X-Git-Tag: v0.25~367^2~10
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=8ca291c08118ccfc66ebf49edb3210c882a82cfd;p=ceph.git

mdlog: Add some helper functions for accessing segments map data.

Signed-off-by: Greg Farnum <gregf@hq.newdream.net>
---

diff --git a/src/mds/MDLog.h b/src/mds/MDLog.h
index 9012610a9cd4..c4d5c4d8f144 100644
--- a/src/mds/MDLog.h
+++ b/src/mds/MDLog.h
@@ -131,6 +131,14 @@ public:
     assert(!segments.empty());
     return segments.rbegin()->first;
   }
+  LogSegment *get_oldest_segment() {
+    return segments.begin()->second;
+  }
+  void remove_oldest_segment() {
+    map<uint64_t, LogSegment*>::iterator p = segments.begin();
+    delete p->second;
+    segments.erase(p);
+  }
 
 
 private: