* THE SOFTWARE.
*/
-#include "block_int.h"
+#include "block/block_int.h"
#include "qemu-common.h"
#include "qcow2.h"
#include "trace.h"
return ret;
}
+ if (c == s->refcount_block_cache) {
+ ret = qcow2_pre_write_overlap_check(bs, QCOW2_OL_REFCOUNT_BLOCK,
+ c->entries[i].offset, s->cluster_size);
+ } else if (c == s->l2_table_cache) {
+ ret = qcow2_pre_write_overlap_check(bs, QCOW2_OL_ACTIVE_L2,
+ c->entries[i].offset, s->cluster_size);
+ } else {
+ ret = qcow2_pre_write_overlap_check(bs, 0,
+ c->entries[i].offset, s->cluster_size);
+ }
+
+ if (ret < 0) {
+ return ret;
+ }
+
if (c == s->refcount_block_cache) {
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_UPDATE_PART);
} else if (c == s->l2_table_cache) {
c->depends_on_flush = true;
}
+int qcow2_cache_empty(BlockDriverState *bs, Qcow2Cache *c)
+{
+ int ret, i;
+
+ ret = qcow2_cache_flush(bs, c);
+ if (ret < 0) {
+ return ret;
+ }
+
+ for (i = 0; i < c->size; i++) {
+ assert(c->entries[i].ref == 0);
+ c->entries[i].offset = 0;
+ c->entries[i].cache_hits = 0;
+ }
+
+ return 0;
+}
+
static int qcow2_cache_find_entry_to_replace(Qcow2Cache *c)
{
int i;