From: Sage Weil <sage@redhat.com>
Date: Fri, 10 Apr 2015 18:54:01 +0000 (-0700)
Subject: os/newstore: fix off-by-one on overlay_max_length
X-Git-Tag: v9.1.0~242^2~80
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ec21f578a7f2b3d3fe209eea52e1c04f33488bdf;p=ceph.git

os/newstore: fix off-by-one on overlay_max_length

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/os/newstore/NewStore.cc b/src/os/newstore/NewStore.cc
index 0fead936b2c..8989e584bc7 100644
--- a/src/os/newstore/NewStore.cc
+++ b/src/os/newstore/NewStore.cc
@@ -2983,7 +2983,7 @@ int NewStore::_do_write(TransContext *txc,
   }
 
   if ((int)o->onode.overlay_map.size() < g_conf->newstore_overlay_max &&
-      (int)length < g_conf->newstore_overlay_max_length) {
+      (int)length <= g_conf->newstore_overlay_max_length) {
     // write an overlay
     r = _do_overlay_write(txc, o, offset, length, bl);
     if (r < 0)