Revert r6405

This series is broken by design as it requires expensive IO operations at
open time causing very long delays when starting a virtual machine for the
first time.
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6815 c046a42c-6fe2-441c-8c8c-71466251a162

block-qcow2.c

@@ -1645,7 +1645,6 @@ static int qcow_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
     bdi->cluster_size = s->cluster_size;
     bdi->vm_state_offset = (int64_t)s->l1_vm_state_index <<
         (s->cluster_bits + s->l2_bits);
-    bdi->highest_alloc = s->highest_alloc << s->cluster_bits;
     return 0;
 }
 

block.h

@@ -26,7 +26,6 @@ typedef struct BlockDriverInfo {
     int cluster_size;
     /* offset at which the VM state can be saved (0 if not possible) */
     int64_t vm_state_offset;
-    int64_t highest_alloc; /* highest allocated block offset (in bytes) */
 } BlockDriverInfo;
 
 typedef struct QEMUSnapshotInfo {