From 8c5ffdb8741f39105fa4dbdc0b0997e455e0bea4 Mon Sep 17 00:00:00 2001
From: Greg Farnum <gregf@hq.newdream.net>
Date: Thu, 19 Aug 2010 15:04:46 -0700
Subject: [PATCH] mds: CInode should set projected_snaprealm_ptr to NULL if we
 pop the last one!

---
 src/mds/CInode.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mds/CInode.cc b/src/mds/CInode.cc
index 1ed9ab4d2260..757f8eed25a2 100644
--- a/src/mds/CInode.cc
+++ b/src/mds/CInode.cc
@@ -306,6 +306,8 @@ void CInode::pop_projected_snaprealm(sr_t *next_snaprealm)
 
   if (invalidate_cached_snaps)
     snaprealm->invalidate_cached_snaps();
+  if (next_snaprealm == projected_snaprealm_ptr)
+    projected_snaprealm_ptr = NULL;
 }
 
 
-- 
2.47.3