Re: [Qemu-devel] [PATCH v7 00/11] Support streaming to an intermediate layer

[Alberto Garcia <berto@igalia.com>]

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https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg02580.html

On Wed, May 13, 2015 at 04:27:30PM +0300, Alberto Garcia wrote:
> v7:
> - Rebased against the current master
> - Updated bdrv_drain_all() to use the new block_job_next() API.
> 
> v6: https://lists.gnu.org/archive/html/qemu-devel/2015-04/msg03046.html
> - fix the no-op test following Max's suggestions
> 
> v5: https://lists.gnu.org/archive/html/qemu-devel/2015-04/msg03006.html
> - Fix a few typos
> - Minor documentation updates
> - Update test_stream_partial() to test no-ops
> - New test case: test_stream_parallel()
> - New test case: test_stream_overlapping()
> 
> v4: https://lists.gnu.org/archive/html/qemu-devel/2015-04/msg01878.html
> - Refactor find_block_job to use the error from bdrv_lookup_bs()
> - Don't use QERR_DEVICE_IN_USE in block_job_create() since we can be
>   dealing with nodes now.
> - Fix @device comment in the BlockJobInfo documentation
> - stream_start(): simplify the bdrv_reopen() call and use
>   bdrv_get_device_or_node_name() for error messages.
> - Use a different variable name for BlockDriverState *i
> - Documentation fixes in docs/live-block-ops.txt
> - Update iotest 30 since now test_device_not_found() returns
>   GenericError
> - Fix test case test_stream_partial()
> - Add new test case test_stream_intermediate()
> - Fix typos
> 
> v3: https://lists.gnu.org/archive/html/qemu-devel/2015-04/msg00806.html
> - Keep a list of block jobs and make qmp_query_block_jobs() iterate
>   over it.
> 
> v2: https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04798.html
> - The 'block-stream' command does not have a 'node-name' parameter
>   anymore and reuses 'device' for that purpose.
> - Block jobs can now be owned by any intermediate node, and not just
>   by the ones at the root. query-block-jobs is updated to reflect that
>   change.
> - The 'device' parameter of all 'block-job-*' commands can now take a
>   node name.
> - The BlockJobInfo type and all BLOCK_JOB_* events report the node
>   name in the 'device' field if the node does not have a device name.
> - All intermediate nodes are blocked (and checked for blockers) during
>   the streaming operation.
> 
> v1: https://lists.gnu.org/archive/html/qemu-devel/2015-02/msg04116.html
> 
> Regards,
> 
> Berto
> 
> Alberto Garcia (11):
>   block: keep a list of block jobs
>   block: allow block jobs in any arbitrary node
>   block: never cancel a streaming job without running stream_complete()
>   block: Support streaming to an intermediate layer
>   block: Add QMP support for streaming to an intermediate layer
>   docs: Document how to stream to an intermediate layer
>   qemu-iotests: fix test_stream_partial()
>   qemu-iotests: add no-op streaming test
>   qemu-iotests: test streaming to an intermediate layer
>   qemu-iotests: test block-stream operations in parallel
>   qemu-iotests: test overlapping block-stream operations
> 
>  block.c                    |   4 +-
>  block/io.c                 |  21 +++----
>  block/mirror.c             |   5 +-
>  block/stream.c             |  44 ++++++++++++--
>  blockdev.c                 |  55 ++++++++---------
>  blockjob.c                 |  31 +++++++---
>  docs/live-block-ops.txt    |  31 ++++++----
>  docs/qmp/qmp-events.txt    |   8 +--
>  include/block/blockjob.h   |  14 +++++
>  include/qapi/qmp/qerror.h  |   3 -
>  qapi/block-core.json       |  30 +++++----
>  tests/qemu-iotests/030     | 148 ++++++++++++++++++++++++++++++++++++++++++++-
>  tests/qemu-iotests/030.out |   4 +-
>  13 files changed, 304 insertions(+), 94 deletions(-)
> 
> -- 
> 2.1.4
> 
>