diff options
Diffstat (limited to 'block/qcow2-refcount.c')
| -rw-r--r-- | block/qcow2-refcount.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 6c38337..84fa343 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -702,9 +702,8 @@ void qcow2_free_any_clusters(BlockDriverState *bs, return; } - qcow2_free_clusters(bs, cluster_offset, nb_clusters << s->cluster_bits); - - return; + qcow2_free_clusters(bs, cluster_offset & L2E_OFFSET_MASK, + nb_clusters << s->cluster_bits); } @@ -764,7 +763,7 @@ int qcow2_update_snapshot_refcount(BlockDriverState *bs, l2_offset = l1_table[i]; if (l2_offset) { old_l2_offset = l2_offset; - l2_offset &= ~QCOW_OFLAG_COPIED; + l2_offset &= L1E_OFFSET_MASK; ret = qcow2_cache_get(bs, s->l2_table_cache, l2_offset, (void**) &l2_table); @@ -796,10 +795,11 @@ int qcow2_update_snapshot_refcount(BlockDriverState *bs, /* compressed clusters are never modified */ refcount = 2; } else { + uint64_t cluster_index = (offset & L2E_OFFSET_MASK) >> s->cluster_bits; if (addend != 0) { - refcount = update_cluster_refcount(bs, offset >> s->cluster_bits, addend); + refcount = update_cluster_refcount(bs, cluster_index, addend); } else { - refcount = get_refcount(bs, offset >> s->cluster_bits); + refcount = get_refcount(bs, cluster_index); } if (refcount < 0) { |