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Re: [Qemu-devel] [PATCH v4 00/15] block: generic image streaming
From: |
Luiz Capitulino |
Subject: |
Re: [Qemu-devel] [PATCH v4 00/15] block: generic image streaming |
Date: |
Wed, 11 Jan 2012 15:58:26 -0200 |
On Fri, 6 Jan 2012 14:01:26 +0000
Stefan Hajnoczi <address@hidden> wrote:
> This series adds the 'block_stream' command which copies the contents of a
> backing file into the image file while the VM is running. The series builds
> on
> the zero detection features which I sent out before Christmas. I suggest
> grabbing my git tree to try it out without merging this dependency:
>
> https://github.com/stefanha/qemu/tree/image-streaming-api
>
> The image streaming HMP/QMP commands are documented in the patch and also
> described here:
>
> http://wiki.qemu.org/Features/LiveBlockMigration/ImageStreamingAPI
From a QMP perspective (and given that we'll make this obsolete when
we have a proper async API):
Acked-by: Luiz Capitulino <address@hidden>
>
> The basic idea is to execute 'block_stream virtio0' while the guest is
> running.
> Progress can be monitored using 'info block-jobs'. When the streaming
> operation completes it raises a QMP event.
>
> Note: The last patch includes includes a Python test script called
> test-stream.py, I do not propose to merge it. When run in a QEMU source tree
> it performs basic image streaming QMP tests.
>
> v4:
> * Drop SQMP/EQMP docs from qmp-commands.hx [Luiz]
> * Follow QAPI doc conventions [Luiz]
> * Document QMP events in QMP/qmp-events.txt [Luiz]
> * Protect against hotplug, resize, eject, etc [Kevin]
> * Move block job functions from header to block.c [Kevin]
> * Return error from bdrg_change_backing_file() [Kevin]
> * Merge Marcelo's block_stream base partial streaming series [Marcelo]
>
> Marcelo Tosatti (4):
> block: add bdrv_find_backing_image
> add QERR_BASE_ID_NOT_FOUND
> block stream: add support for partial streaming
> add doc to describe live block operations
>
> Stefan Hajnoczi (11):
> coroutine: add co_sleep_ns() coroutine sleep function
> block: check bdrv_in_use() before blockdev operations
> block: add BlockJob interface for long-running operations
> block: add image streaming block job
> block: rate-limit streaming operations
> qmp: add block_stream command
> qmp: add block_job_set_speed command
> qmp: add block_job_cancel command
> qmp: add query-block-jobs
> blockdev: make image streaming safe across hotplug
> test: add image streaming test cases
>
> Makefile.objs | 2 +
> QMP/qmp-events.txt | 53 ++++++++++++
> block.c | 133 ++++++++++++++++++++++++++++++
> block.h | 5 +
> block/stream.c | 192 +++++++++++++++++++++++++++++++++++++++++++
> block_int.h | 44 ++++++++++
> blockdev.c | 199 ++++++++++++++++++++++++++++++++++++++++++++-
> docs/live-block-ops.txt | 58 +++++++++++++
> hmp-commands.hx | 41 +++++++++
> hmp.c | 68 +++++++++++++++
> hmp.h | 4 +
> monitor.c | 13 +++
> monitor.h | 2 +
> qapi-schema.json | 115 ++++++++++++++++++++++++++
> qemu-coroutine-sleep.c | 38 +++++++++
> qemu-coroutine.h | 6 ++
> qerror.c | 8 ++
> qerror.h | 6 ++
> qmp-commands.hx | 24 ++++++
> test-stream.py | 208
> +++++++++++++++++++++++++++++++++++++++++++++++
> trace-events | 9 ++
> 21 files changed, 1227 insertions(+), 1 deletions(-)
> create mode 100644 block/stream.c
> create mode 100644 docs/live-block-ops.txt
> create mode 100644 qemu-coroutine-sleep.c
> create mode 100644 test-stream.py
>
- [Qemu-devel] [PATCH v4 10/15] blockdev: make image streaming safe across hotplug, (continued)
- [Qemu-devel] [PATCH v4 10/15] blockdev: make image streaming safe across hotplug, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 05/15] block: rate-limit streaming operations, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 09/15] qmp: add query-block-jobs, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 08/15] qmp: add block_job_cancel command, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 12/15] add QERR_BASE_ID_NOT_FOUND, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 11/15] block: add bdrv_find_backing_image, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 01/15] coroutine: add co_sleep_ns() coroutine sleep function, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 15/15] test: add image streaming test cases, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 13/15] block stream: add support for partial streaming, Stefan Hajnoczi, 2012/01/06
- [Qemu-devel] [PATCH v4 14/15] add doc to describe live block operations, Stefan Hajnoczi, 2012/01/06
- Re: [Qemu-devel] [PATCH v4 00/15] block: generic image streaming,
Luiz Capitulino <=