* XXX Can (or should) we somehow keep 'consistent read' blocked even
* after the failed/cancelled commit job is gone? If we already wrote
* something to base, the intermediate images aren't valid any more. */
- bdrv_child_try_set_perm(s->commit_top_bs->backing, 0, BLK_PERM_ALL,
- &error_abort);
bdrv_replace_node(s->commit_top_bs, backing_bs(s->commit_top_bs),
&error_abort);
break;
}
/* Copy if allocated above the base */
- ret = bdrv_is_allocated_above(blk_bs(s->top), blk_bs(s->base),
+ ret = bdrv_is_allocated_above(blk_bs(s->top), blk_bs(s->base), false,
offset, COMMIT_BUFFER_SIZE, &n);
copy = (ret == 1);
trace_commit_one_iteration(s, offset, n, ret);
if (!filter_node_name) {
commit_top_bs->implicit = true;
}
+
+ /* So that we can always drop this node */
+ commit_top_bs->never_freeze = true;
+
commit_top_bs->total_sectors = top->total_sectors;
bdrv_append(commit_top_bs, top, &local_err);