vmdk: Rename VmdkMetaData.valid to new_allocation

m_data is used for zero clusters even though valid == 0. It really only
means that a new cluster was allocated in the image file. Rename it to
reflect this.

While at it, change it from int to bool, too.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200430133007.170335-2-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/vmdk.c b/block/vmdk.c
index b02fdd14b2d09aa31149925ce7d6e5397af1814b..ecfb4a86d2169a03f78d990db72385d76ebf23b5 100644 (file)
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -180,7 +180,7 @@ typedef struct VmdkMetaData {
     unsigned int l1_index;
     unsigned int l2_index;
     unsigned int l2_offset;
-    int valid;
+    bool new_allocation;
     uint32_t *l2_cache_entry;
 } VmdkMetaData;
 
@@ -1492,7 +1492,7 @@ static int get_cluster_offset(BlockDriverState *bs,
     unsigned int l2_size_bytes = extent->l2_size * extent->entry_size;
 
     if (m_data) {
-        m_data->valid = 0;
+        m_data->new_allocation = false;
     }
     if (extent->flat) {
         *cluster_offset = extent->flat_start_offset;
@@ -1630,7 +1630,7 @@ static int get_cluster_offset(BlockDriverState *bs,
             return ret;
         }
         if (m_data) {
-            m_data->valid = 1;
+            m_data->new_allocation = true;
             m_data->l1_index = l1_index;
             m_data->l2_index = l2_index;
             m_data->l2_offset = l2_offset;
@@ -2021,7 +2021,7 @@ static int vmdk_pwritev(BlockDriverState *bs, uint64_t offset,
             if (ret) {
                 return ret;
             }
-            if (m_data.valid) {
+            if (m_data.new_allocation) {
                 /* update L2 tables */
                 if (vmdk_L2update(extent, &m_data,
                                   cluster_offset >> BDRV_SECTOR_BITS)