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Re: [PATCH v15 0/5] backup-top filter driver for backup
From: |
Max Reitz |
Subject: |
Re: [PATCH v15 0/5] backup-top filter driver for backup |
Date: |
Fri, 4 Oct 2019 16:21:00 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 |
On 01.10.19 15:14, Vladimir Sementsov-Ogievskiy wrote:
> Hi all!
>
> These series introduce backup-top driver. It's a filter-node, which
> do copy-before-write operation. Mirror uses filter-node for handling
> guest writes, let's move to filter-node (from write-notifiers) for
> backup too.
>
> Preparation patches are queued in Max's block branch:
>
> Based-on: https://github.com/XanClic/qemu.git block
>
> v15: use BdrvChildren in block-copy
> 01-03: new
> 04-05: a lot of changes, such as
> 04:
> - add new parameters for creation
> - prepare bcs creation
> - add target child
> - refactor bdrv_backup_top_append
> - drop r-b
> 05:
> - move block-copy to use BdrvChildren
> - drop extra style fixing hunks
> - iotest 141 output changed
>
> v14: Drop range locks, keep old good in-flight requests waiting
>
> 12: new patch
> 14: use old request-waiting scheme instead of range locks
>
> Vladimir Sementsov-Ogievskiy (5):
> block/backup: move in-flight requests handling from backup to
> block-copy
> block/backup: move write_flags calculation inside backup_job_create
> block/block-copy: split block_copy_set_callbacks function
> block: introduce backup-top filter driver
> block/backup: use backup-top instead of write notifiers
>
> qapi/block-core.json | 8 +-
> block/backup-top.h | 41 +++++
> include/block/block-copy.h | 31 +++-
> include/block/block_int.h | 1 +
> block/backup-top.c | 276 +++++++++++++++++++++++++++++++++
> block/backup.c | 147 +++++-------------
> block/block-copy.c | 140 +++++++++--------
> block/replication.c | 2 +-
> blockdev.c | 1 +
> block/Makefile.objs | 1 +
> tests/qemu-iotests/056 | 8 +-
> tests/qemu-iotests/141.out | 2 +-
> tests/qemu-iotests/257 | 7 +-
> tests/qemu-iotests/257.out | 306 ++++++++++++++++++-------------------
> 14 files changed, 628 insertions(+), 343 deletions(-)
> create mode 100644 block/backup-top.h
> create mode 100644 block/backup-top.c
Thanks, applied to my block branch:
https://git.xanclic.moe/XanClic/qemu/commits/branch/block
Max
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- [PATCH v15 2/5] block/backup: move write_flags calculation inside backup_job_create, (continued)
- [PATCH v15 2/5] block/backup: move write_flags calculation inside backup_job_create, Vladimir Sementsov-Ogievskiy, 2019/10/01
- [PATCH v15 1/5] block/backup: move in-flight requests handling from backup to block-copy, Vladimir Sementsov-Ogievskiy, 2019/10/01
- [PATCH v15 3/5] block/block-copy: split block_copy_set_callbacks function, Vladimir Sementsov-Ogievskiy, 2019/10/01
- [PATCH v15 4/5] block: introduce backup-top filter driver, Vladimir Sementsov-Ogievskiy, 2019/10/01
- [PATCH v15 5/5] block/backup: use backup-top instead of write notifiers, Vladimir Sementsov-Ogievskiy, 2019/10/01
- Re: [PATCH v15 0/5] backup-top filter driver for backup,
Max Reitz <=