From d0041ee81cc2838e0a5af07e092b59ae05a1920e Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 15 Dec 2008 16:40:08 -0800
Subject: [PATCH] mds: remove follows==0 special cases

A follows==0 shouldn't have any special meaning anymore.  See also
1876ca5ad4b92f0794c91d15502c16ad747dbf8b.
---
 src/mds/MDCache.cc | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 09a5f41196fbb..708f2fd358c75 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -1068,7 +1068,7 @@ void MDCache::journal_cow_dentry(Mutation *mut, EMetaBlob *metablob, CDentry *dn
     // multiversion inode.
     CInode *in = dn->inode;
 
-    if (follows == CEPH_NOSNAP || follows == 0)
+    if (follows == CEPH_NOSNAP)
       follows = in->find_snaprealm()->get_newest_snap();
 
     // already cloned?
@@ -1443,11 +1443,10 @@ void MDCache::predirty_journal_parents(Mutation *mut, EMetaBlob *blob,
     // rstat
     if (primary_dn) { 
       SnapRealm *prealm = parent->inode->find_snaprealm();
-      snapid_t latest = prealm->get_newest_snap();
       
       snapid_t follows = cfollows;
-      if (follows == CEPH_NOSNAP || follows == 0)
-	follows = latest;
+      if (follows == CEPH_NOSNAP)
+	follows = prealm->get_newest_snap();
       
       snapid_t first = follows+1;
       if (cur->first > first)
-- 
2.47.3