From f4e8a0bf9214e39145e4f75293675062f416605e Mon Sep 17 00:00:00 2001
From: Alja Mrak-Tadel <amraktadel@ucsd.edu>
Date: Sun, 5 Jul 2015 10:06:19 -0700
Subject: [PATCH] Removed failed prefetched block in ProcessRequest().

---
 src/XrdFileCache/XrdFileCacheFile.cc | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/XrdFileCache/XrdFileCacheFile.cc b/src/XrdFileCache/XrdFileCacheFile.cc
index 6f35c4f28ba..0d447de80cd 100644
--- a/src/XrdFileCache/XrdFileCacheFile.cc
+++ b/src/XrdFileCache/XrdFileCacheFile.cc
@@ -736,11 +736,6 @@ void File::ProcessBlockResponse(Block* b, XrdCl::XRootDStatus *status)
         inc_ref_count(b);
         cache()->AddWriteTask(b, true);
       }
-      else {
-          if (b->m_prefetch && ( b->m_refcnt == 0)) {
-              m_block_map.erase((int)(b->m_offset/BufferSize()));
-          }
-      }
    }
    else
    {
@@ -752,10 +747,18 @@ void File::ProcessBlockResponse(Block* b, XrdCl::XRootDStatus *status)
       b->set_error_and_free(errno);
       errno = 0;
 
-      // ??? AMT temprary commented out
+      // ??? AMT temprary commented out -- throw away failed attempts
       // inc_ref_count(b);
    }
 
+
+   // case when there is a prefetch that is failed or prefetch that stopped has just been initated
+   if (b->m_refcnt == 0) {
+      assert(b->m_prefetch);
+       m_block_map.erase((int)(b->m_offset/BufferSize()));
+   }
+
+
    m_downloadCond.Broadcast();
 
    m_downloadCond.UnLock();