1 files changed, 7 insertions, 17 deletions

diff --git a/block/qcow2.c b/block/qcow2.c
index 5ab1f45fe2..6738daa247 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2036,7 +2036,7 @@ static int coroutine_fn qcow2_co_block_status(BlockDriverState *bs,
                                               BlockDriverState **file)
 {
     BDRVQcow2State *s = bs->opaque;
-    uint64_t cluster_offset;
+    uint64_t host_offset;
     unsigned int bytes;
     int ret, status = 0;
 
@@ -2049,7 +2049,7 @@ static int coroutine_fn qcow2_co_block_status(BlockDriverState *bs,
     }
 
     bytes = MIN(INT_MAX, count);
-    ret = qcow2_get_cluster_offset(bs, offset, &bytes, &cluster_offset);
+    ret = qcow2_get_host_offset(bs, offset, &bytes, &host_offset);
     qemu_co_mutex_unlock(&s->lock);
     if (ret < 0) {
         return ret;
@@ -2059,7 +2059,7 @@ static int coroutine_fn qcow2_co_block_status(BlockDriverState *bs,
 
     if ((ret == QCOW2_CLUSTER_NORMAL || ret == QCOW2_CLUSTER_ZERO_ALLOC) &&
         !s->crypto) {
-        *map = cluster_offset | offset_into_cluster(s, offset);
+        *map = host_offset;
         *file = s->data_file->bs;
         status |= BDRV_BLOCK_OFFSET_VALID;
     }
@@ -2273,7 +2273,7 @@ static coroutine_fn int qcow2_co_preadv_part(BlockDriverState *bs,
     BDRVQcow2State *s = bs->opaque;
     int ret = 0;
     unsigned int cur_bytes; /* number of bytes in current iteration */
-    uint64_t cluster_offset = 0;
+    uint64_t host_offset = 0;
     AioTaskPool *aio = NULL;
 
     while (bytes != 0 && aio_task_pool_status(aio) == 0) {
@@ -2285,7 +2285,7 @@ static coroutine_fn int qcow2_co_preadv_part(BlockDriverState *bs,
         }
 
         qemu_co_mutex_lock(&s->lock);
-        ret = qcow2_get_cluster_offset(bs, offset, &cur_bytes, &cluster_offset);
+        ret = qcow2_get_host_offset(bs, offset, &cur_bytes, &host_offset);
         qemu_co_mutex_unlock(&s->lock);
         if (ret < 0) {
             goto out;
@@ -2297,15 +2297,6 @@ static coroutine_fn int qcow2_co_preadv_part(BlockDriverState *bs,
         {
             qemu_iovec_memset(qiov, qiov_offset, 0, cur_bytes);
         } else {
-            /*
-             * For compressed clusters the variable cluster_offset
-             * does not actually store the offset but the full
-             * descriptor. We need to leave it unchanged because
-             * that's what qcow2_co_preadv_compressed() expects.
-             */
-            uint64_t host_offset = (ret == QCOW2_CLUSTER_COMPRESSED) ?
-                cluster_offset :
-                cluster_offset + offset_into_cluster(s, offset);
             if (!aio && cur_bytes != bytes) {
                 aio = aio_task_pool_new(QCOW2_MAX_WORKERS);
             }
@@ -3853,7 +3844,7 @@ static coroutine_fn int qcow2_co_pwrite_zeroes(BlockDriverState *bs,
         offset = QEMU_ALIGN_DOWN(offset, s->cluster_size);
         bytes = s->cluster_size;
         nr = s->cluster_size;
-        ret = qcow2_get_cluster_offset(bs, offset, &nr, &off);
+        ret = qcow2_get_host_offset(bs, offset, &nr, &off);
         if (ret != QCOW2_CLUSTER_UNALLOCATED &&
             ret != QCOW2_CLUSTER_ZERO_PLAIN &&
             ret != QCOW2_CLUSTER_ZERO_ALLOC) {
@@ -3924,7 +3915,7 @@ qcow2_co_copy_range_from(BlockDriverState *bs,
         cur_bytes = MIN(bytes, INT_MAX);
         cur_write_flags = write_flags;
 
-        ret = qcow2_get_cluster_offset(bs, src_offset, &cur_bytes, &copy_offset);
+        ret = qcow2_get_host_offset(bs, src_offset, &cur_bytes, &copy_offset);
         if (ret < 0) {
             goto out;
         }
@@ -3956,7 +3947,6 @@ qcow2_co_copy_range_from(BlockDriverState *bs,
 
         case QCOW2_CLUSTER_NORMAL:
             child = s->data_file;
-            copy_offset += offset_into_cluster(s, src_offset);
             break;
 
         default: