From: Ramesh Chander <Ramesh.Chander@sandisk.com>
Date: Tue, 17 May 2016 09:51:25 +0000 (-0700)
Subject: fixing wrong length cal in BitmapFreelist
X-Git-Tag: v11.0.0~522^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=38714752f285a7f5feb4af102ece31d3c1e51c50;p=ceph.git

fixing wrong length cal in BitmapFreelist

Signed-off-by: Ramesh Chander <Ramesh.Chander@sandisk.com>
---

diff --git a/src/os/bluestore/BitmapFreelistManager.cc b/src/os/bluestore/BitmapFreelistManager.cc
index 93bd3f605a1..82da2a552c5 100644
--- a/src/os/bluestore/BitmapFreelistManager.cc
+++ b/src/os/bluestore/BitmapFreelistManager.cc
@@ -276,6 +276,7 @@ bool BitmapFreelistManager::enumerate_next(uint64_t *offset, uint64_t *length)
 		 << " offset " << end
 		 << dendl;
 	*length = end - *offset;
+       assert((*offset  + *length) <= size);
 	dout(10) << __func__ << " " << *offset << "~" << *length << dendl;
 	return true;
       }
@@ -295,9 +296,10 @@ bool BitmapFreelistManager::enumerate_next(uint64_t *offset, uint64_t *length)
 
   end = size;
   if (enumerate_offset < end) {
-    *length = end - enumerate_offset;
+    *length = end - *offset;
     dout(10) << __func__ << " " << *offset << "~" << *length << dendl;
     enumerate_offset = end;
+    assert((*offset  + *length) <= size);
     return true;
   }