Re: [Qemu-devel] [PATCH V12 0/6] add-cow file format

[Dong Xu Wang]

Anyone can give me some comments? That will be very grateful..

On Fri, Aug 10, 2012 at 11:39 PM, Dong Xu Wang
<address@hidden> wrote:
> This will introduce a new file format: add-cow.
>
> add-cow can benefit from other available functions, such as path_has_protocol 
> and
> qed_read_string, so we will make them public.
>
> Now add-cow is still using QEMUOptionParameter, not QemuOpts,  I will send a
> separate patch series to convert.
>
> snapshot_blkdev are not supported now for add-cow, after converting 
> QEMUOptionParameter
> to QemuOpts, will add related code.
>
>
> v11->v12:
> 1) Removed un-used feature bit.
> 2) Share cache code with qcow2.c.
> 3) Remove snapshot_blkdev support, will add it in another patch.
> 5) COW Bitmap field in add-cow file will be multiple of 65536.
> 6) fix grammer and typo.
>
> Dong Xu Wang (6):
>   docs: document for add cow file format
>   make path_has_protocol non-static
>   qed_read_string to bdrv_read_string
>   rename qcow2-cache.c to block-cache.c
>   add-cow file format
>   qemu-iotests
>
>  block.c                      |   29 ++-
>  block.h                      |    6 +
>  block/Makefile.objs          |    4 +-
>  block/add-cow.c              |  613 
> ++++++++++++++++++++++++++++++++++++++++++
>  block/add-cow.h              |   85 ++++++
>  block/qcow2-cache.c          |  323 ----------------------
>  block/qcow2-cluster.c        |   66 +++--
>  block/qcow2-refcount.c       |   66 +++--
>  block/qcow2.c                |   36 ++--
>  block/qcow2.h                |   24 +--
>  block/qed.c                  |   29 +--
>  block_int.h                  |    2 +
>  docs/specs/add-cow.txt       |  123 +++++++++
>  tests/qemu-iotests/017       |    2 +-
>  tests/qemu-iotests/020       |    2 +-
>  tests/qemu-iotests/check     |    4 +-
>  tests/qemu-iotests/common    |    6 +
>  tests/qemu-iotests/common.rc |   19 ++
>  trace-events                 |   13 +-
>  19 files changed, 994 insertions(+), 458 deletions(-)
>  create mode 100644 block/add-cow.c
>  create mode 100644 block/add-cow.h
>  delete mode 100644 block/qcow2-cache.c
>  create mode 100644 docs/specs/add-cow.txt
>