Re: [Qemu-devel] [PATCH v5 0/6] block: allow commit active as top

[Fam Zheng <famz@redhat.com>]

On 10/09/2013 01:19 PM, Fam Zheng wrote:
> Previously live commit of active block device is not supported, this series
> implements it and updates corresponding qemu-iotests cases.
>
> This series is based on BlockJobType enum QAPI series.
>
> v5: Address comments from Eric and Paolo:
>      Add mirror_start_job and front end wrapper. [Paolo]
>      Base on BlockJobType enum in QAPI. [Eric]
>      Drop "common" sync mode. [Eric]
>
> v4: Rewrite to reuse block/mirror.c.
>      When committing the active layer, the job is internally a mirror job with
>      type name faked to "commit".
>      When the job completes, the BDSes are swapped, so the base image become
>      active and [top, base) dropped.
>
>
> Fam Zheng (6):
>    mirror: don't close target
>    mirror: move base to MirrorBlockJob
>    block: add commit_active_start()
>    commit: support commit active layer
>    qemu-iotests: update test cases for commit active
>    commit: remove unused check
>
>   block/commit.c            |  8 +----
>   block/mirror.c            | 77 +++++++++++++++++++++++++++++++++++++++--------
>   blockdev.c                |  9 ++++--
>   include/block/block_int.h | 22 ++++++++++++--
>   qapi-schema.json          |  5 +--
>   tests/qemu-iotests/040    | 73 +++++++++++++++++++-------------------------
>   6 files changed, 125 insertions(+), 69 deletions(-)
>

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