Ping Stefan and Kevin, Could anyone help to review this version of patch ? Thx.
Regards, Jun Li On Sun, 10/26 23:20, Jun Li wrote: > v5: > Add qemu-iotests for qcow2 shrinking. Do some modifications based on MAX's > suggestions in v4. > > v4: > Add deal with COW clusters in l2 table. When using COW, some of (l2_entry >> > s->cluster_bits) will larger than s->refcount_table_size, so need to discard > this l2_entry. > > v3: > Fixed host cluster leak. > > > In file block/qcow2.c, just using ftruncate to fix host cluster leak. > > In file block/qcow2-cluster.c, just re-copy qcow2_grow_l1_table to > realize qcow2_shrink_l1_and_l2_table. > > In file block/qcow2-refcount.c, also update the realization to handle > self-describing > refcount blocks in function update_refcount. > > Thanks. > > > Jun Li (3): > qcow2: Add qcow2_shrink_l1_and_l2_table for qcow2 shrinking > qcow2: add update refcount table realization for update_refcount > qcow2: Add qemu-iotests for qcow2 shrinking > > block/qcow2-cluster.c | 182 > +++++++++++++++++++++++++++++++++++++++++++++ > block/qcow2-refcount.c | 49 +++++++++++- > block/qcow2.c | 37 ++++++++- > block/qcow2.h | 2 + > tests/qemu-iotests/110 | 76 +++++++++++++++++++ > tests/qemu-iotests/110.out | 13 ++++ > tests/qemu-iotests/group | 1 + > 7 files changed, 356 insertions(+), 4 deletions(-) > create mode 100755 tests/qemu-iotests/110 > create mode 100644 tests/qemu-iotests/110.out > > -- > 1.9.3 >