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[PATCH v15 0/5] backup-top filter driver for backup
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[PATCH v15 0/5] backup-top filter driver for backup |
Date: |
Tue, 1 Oct 2019 16:14:04 +0300 |
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
--
2.21.0
- [PATCH v15 0/5] backup-top filter driver for backup,
Vladimir Sementsov-Ogievskiy <=
- [PATCH v15 3/5] block/block-copy: split block_copy_set_callbacks function, 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 4/5] block: introduce backup-top filter driver, Vladimir Sementsov-Ogievskiy, 2019/10/01
- [PATCH v15 2/5] block/backup: move write_flags calculation inside backup_job_create, 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