/* Allocate space for the new snapshot list */
snapshots_offset = qcow2_alloc_clusters(bs, snapshots_size);
- bdrv_flush(bs->file);
offset = snapshots_offset;
if (offset < 0) {
return offset;
}
+ ret = bdrv_flush(bs);
+ if (ret < 0) {
+ return ret;
+ }
/* Write all snapshots to the new list */
for(i = 0; i < s->nb_snapshots; i++) {
}
/* free the old snapshot table */
- qcow2_free_clusters(bs, s->snapshots_offset, s->snapshots_size);
+ qcow2_free_clusters(bs, s->snapshots_offset, s->snapshots_size,
+ QCOW2_DISCARD_SNAPSHOT);
s->snapshots_offset = snapshots_offset;
s->snapshots_size = snapshots_size;
return 0;
goto fail;
}
- ret = bdrv_flush(bs);
- if (ret < 0) {
- goto fail;
- }
-
/* Append the new snapshot to the snapshot list */
new_snapshot_list = g_malloc((s->nb_snapshots + 1) * sizeof(QCowSnapshot));
if (s->snapshots) {
if (ret < 0) {
return ret;
}
- qcow2_free_clusters(bs, sn.l1_table_offset, sn.l1_size * sizeof(uint64_t));
+ qcow2_free_clusters(bs, sn.l1_table_offset, sn.l1_size * sizeof(uint64_t),
+ QCOW2_DISCARD_SNAPSHOT);
/* must update the copied flag on the current cluster offsets */
ret = qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size, 0);