x49gp/qemu/patches/qemu-0.9.0-qcow2.diff

26 lines
884 B
Diff

--- block-qcow2.c 2006/08/07 02:38:06 1.4
+++ block-qcow2.c 2007/04/02 12:48:47 1.6
@@ -1886,6 +1886,8 @@
int64_t table_offset;
uint64_t data64;
uint32_t data32;
+ int old_table_size;
+ int64_t old_table_offset;
if (min_size <= s->refcount_table_size)
return 0;
@@ -1931,10 +1933,14 @@
&data32, sizeof(data32)) != sizeof(data32))
goto fail;
qemu_free(s->refcount_table);
+ old_table_offset = s->refcount_table_offset;
+ old_table_size = s->refcount_table_size;
s->refcount_table = new_table;
s->refcount_table_size = new_table_size;
+ s->refcount_table_offset = table_offset;
update_refcount(bs, table_offset, new_table_size2, 1);
+ free_clusters(bs, old_table_offset, old_table_size * sizeof(uint64_t));
return 0;
fail:
free_clusters(bs, table_offset, new_table_size2);