[Qemu-devel] [PATCH v4 4/5] qcow2-refcount: check_refcounts_l2: don't count fixed cluster as allocated

[Vladimir Sementsov-Ogievskiy]

Do not count a cluster which is fixed to be ZERO as allocated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
 block/qcow2-refcount.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index e76085d9aa..8da0e91dd3 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -1637,15 +1637,6 @@ static int check_refcounts_l2(BlockDriverState *bs, 
BdrvCheckResult *res,
         {
             uint64_t offset = l2_entry & L2E_OFFSET_MASK;
 
-            if (flags & CHECK_FRAG_INFO) {
-                res->bfi.allocated_clusters++;
-                if (next_contiguous_offset &&
-                    offset != next_contiguous_offset) {
-                    res->bfi.fragmented_clusters++;
-                }
-                next_contiguous_offset = offset + s->cluster_size;
-            }
-
             /* Correct offsets are cluster aligned */
             if (offset_into_cluster(s, offset)) {
                 if (qcow2_get_cluster_type(l2_entry) ==
@@ -1698,6 +1689,15 @@ static int check_refcounts_l2(BlockDriverState *bs, 
BdrvCheckResult *res,
                 }
             }
 
+            if (flags & CHECK_FRAG_INFO) {
+                res->bfi.allocated_clusters++;
+                if (next_contiguous_offset &&
+                    offset != next_contiguous_offset) {
+                    res->bfi.fragmented_clusters++;
+                }
+                next_contiguous_offset = offset + s->cluster_size;
+            }
+
             /* Mark cluster as used */
             ret = qcow2_inc_refcounts_imrt(bs, res,
                                            refcount_table, refcount_table_size,
-- 
2.18.0