From a46b333854684d94d864dd02e0e0d357e597e4ce Mon Sep 17 00:00:00 2001
From: xinxin shu <xinxin.shu@intel.com>
Date: Fri, 15 May 2015 03:36:37 +0800
Subject: [PATCH] do not return non-exist extents when doing sparse read

Signed-off-by: xinxin shu <xinxin.shu@intel.com>
---
 src/os/KeyValueStore.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/os/KeyValueStore.cc b/src/os/KeyValueStore.cc
index 589227f987f5..1629b1797125 100644
--- a/src/os/KeyValueStore.cc
+++ b/src/os/KeyValueStore.cc
@@ -1730,8 +1730,10 @@ int KeyValueStore::fiemap(coll_t cid, const ghobject_t& oid,
   map<uint64_t, uint64_t> m;
   for (vector<StripObjectMap::StripExtent>::iterator iter = extents.begin();
        iter != extents.end(); ++iter) {
-    uint64_t off = iter->no * header->strip_size + iter->offset;
-    m[off] = iter->len;
+    if (header->bits[iter->no]) {
+      uint64_t off = iter->no * header->strip_size + iter->offset;
+      m[off] = iter->len;
+    }
   }
   ::encode(m, bl);
   return 0;
-- 
2.47.3