diff options
Diffstat (limited to 'block/qcow2-refcount.c')
| -rw-r--r-- | block/qcow2-refcount.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 7dc75d19f7..4fc3f80a9e 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -261,6 +261,8 @@ static int64_t alloc_refcount_block(BlockDriverState *bs, int64_t cluster_index) goto fail_block; } + bdrv_flush(bs->file); + /* Initialize the new refcount block only after updating its refcount, * update_refcount uses the refcount cache itself */ memset(s->refcount_block_cache, 0, s->cluster_size); @@ -551,8 +553,6 @@ fail: dummy = update_refcount(bs, offset, cluster_offset - offset, -addend); } - bdrv_flush(bs->file); - return ret; } @@ -575,6 +575,8 @@ static int update_cluster_refcount(BlockDriverState *bs, return ret; } + bdrv_flush(bs->file); + return get_refcount(bs, cluster_index); } @@ -626,6 +628,9 @@ int64_t qcow2_alloc_clusters(BlockDriverState *bs, int64_t size) if (ret < 0) { return ret; } + + bdrv_flush(bs->file); + return offset; } @@ -803,6 +808,10 @@ int qcow2_update_snapshot_refcount(BlockDriverState *bs, if (ret < 0) { goto fail; } + + /* TODO Flushing once for the whole function should + * be enough */ + bdrv_flush(bs->file); } /* compressed clusters are never modified */ refcount = 2; |