}
}
+int coroutine_fn qcow2_write_caches(BlockDriverState *bs)
+{
+ BDRVQcow2State *s = bs->opaque;
+ int ret;
+ ret = qcow2_cache_write(bs, s->l2_table_cache);
+ if (ret < 0) {
+ return ret;
+ }
+
+ if (qcow2_need_accurate_refcounts(s)) {
+ ret = qcow2_cache_write(bs, s->refcount_block_cache);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int coroutine_fn qcow2_flush_caches(BlockDriverState *bs)
+{
+ int ret = qcow2_write_caches(bs);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return bdrv_flush(bs->file->bs);
+}
/*********************************************************/
/* snapshots and image creation */
s->incompatible_features &= ~QCOW2_INCOMPAT_DIRTY;
- ret = bdrv_flush(bs);
+ ret = qcow2_flush_caches(bs);
if (ret < 0) {
return ret;
}
BDRVQcow2State *s = bs->opaque;
if (s->incompatible_features & QCOW2_INCOMPAT_CORRUPT) {
- int ret = bdrv_flush(bs);
+ int ret = qcow2_flush_caches(bs);
if (ret < 0) {
return ret;
}
int ret;
qemu_co_mutex_lock(&s->lock);
- ret = qcow2_cache_write(bs, s->l2_table_cache);
- if (ret < 0) {
- qemu_co_mutex_unlock(&s->lock);
- return ret;
- }
-
- if (qcow2_need_accurate_refcounts(s)) {
- ret = qcow2_cache_write(bs, s->refcount_block_cache);
- if (ret < 0) {
- qemu_co_mutex_unlock(&s->lock);
- return ret;
- }
- }
+ ret = qcow2_write_caches(bs);
qemu_co_mutex_unlock(&s->lock);
- return 0;
+ return ret;
}
static BlockMeasureInfo *qcow2_measure(QemuOpts *opts, BlockDriverState *in_bs,
int qcow2_update_snapshot_refcount(BlockDriverState *bs,
int64_t l1_table_offset, int l1_size, int addend);
+int coroutine_fn qcow2_flush_caches(BlockDriverState *bs);
+int coroutine_fn qcow2_write_caches(BlockDriverState *bs);
int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
BdrvCheckMode fix);