[Qemu-devel] [PATCH 2/3] block-qcow2: export highest_allocated through BlockDriverInfo and get_info()

[Qemu-devel] [PATCH 2/3] block-qcow2: export highest_allocated through BlockDriverInfo and get_info()

[Uri Lublin]

From: Uri Lublin <uril@redhat.com>

Signed-off-by: Uri Lublin <uril@redhat.com>
---
  block-qcow2.c |    1 +
  block.h       |    1 +
  2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/block-qcow2.c b/block-qcow2.c
index 184c70c..b8ef825 100644
--- a/block-qcow2.c
+++ b/block-qcow2.c
@@ -1671,6 +1671,7 @@ 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;
  }

diff --git a/block.h b/block.h
index c3314a1..9c64af3 100644
--- a/block.h
+++ b/block.h
@@ -25,6 +25,7 @@ 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 {
-- 
1.6.0.6