From 90bf0534796dedd89e06329f3d81ac7f140fd1b3 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 10 Sep 2008 15:33:07 -0700
Subject: [PATCH] mds: optimize open_snaprealm() for stray and/or non-dirs

---
 src/mds/CInode.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mds/CInode.cc b/src/mds/CInode.cc
index c0a70deb9c378..420983b3e2590 100644
--- a/src/mds/CInode.cc
+++ b/src/mds/CInode.cc
@@ -1219,7 +1219,9 @@ void CInode::open_snaprealm(bool nosplit)
 	       << " siblings are " << parent->open_children
 	       << dendl;
       snaprealm->parent = parent;
-      if (!nosplit)
+      if (!nosplit && 
+	  is_dir() &&
+	  !get_parent_dir()->get_inode()->is_stray())  // optimization
 	parent->split_at(snaprealm);
       parent->open_children.insert(snaprealm);
     }
-- 
2.39.5