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[Qemu-block] [PATCH v5 00/11] backup-top filter driver for backup
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-block] [PATCH v5 00/11] backup-top filter driver for backup |
Date: |
Sat, 29 Dec 2018 15:20:16 +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
v5:
Now, based on John's bitmaps branch
patch "block: allow serialized reads to intersect" removed
03: reword comment (Kevin)
07: fix comments style
08: new
09: mostly rewritten
10: fix comment style
11: - fix comments style
- fix uninitialized backup_top
- fix return -> goto error if failed to
append filter
v4:
fixes, rewrite driver to be implicit, drop new interfaces and
don't move to BdrvDirtyBitmap for now, as it's not obvious will
it be really needed and don't relate to these series more.
v3 was "[PATCH v3 00/18] fleecing-hook driver for backup"
v2 was "[RFC v2] new, node-graph-based fleecing and backup"
----
These series (v5) are based on John's bitmaps branch
Based-on: https://github.com/jnsnow/qemu bitmaps
Vladimir Sementsov-Ogievskiy (11):
block/backup: simplify backup_incremental_init_copy_bitmap
block/backup: move to copy_bitmap with granularity
block: improve should_update_child
iotests: handle -f argument correctly for qemu_io_silent
iotests: allow resume_drive by node name
iotests: prepare 055 to graph changes during backup job
block: introduce backup-top filter driver
block/io: refactor wait_serialising_requests
block: add lock/unlock range functions
block/backup: tiny refactor backup_job_create
block/backup: use backup-top instead of write notifiers
block/backup-top.h | 43 ++++
include/block/block_int.h | 4 +
block.c | 33 ++-
block/backup-top.c | 306 ++++++++++++++++++++++++
block/backup.c | 424 +++++++++++++++++-----------------
block/io.c | 69 +++++-
block/Makefile.objs | 2 +
tests/qemu-iotests/055 | 23 +-
tests/qemu-iotests/iotests.py | 16 +-
9 files changed, 682 insertions(+), 238 deletions(-)
create mode 100644 block/backup-top.h
create mode 100644 block/backup-top.c
--
2.18.0
- [Qemu-block] [PATCH v5 00/11] backup-top filter driver for backup,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-block] [PATCH v5 10/11] block/backup: tiny refactor backup_job_create, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 11/11] block/backup: use backup-top instead of write notifiers, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 03/11] block: improve should_update_child, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 07/11] block: introduce backup-top filter driver, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 01/11] block/backup: simplify backup_incremental_init_copy_bitmap, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 06/11] iotests: prepare 055 to graph changes during backup job, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 05/11] iotests: allow resume_drive by node name, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 09/11] block: add lock/unlock range functions, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 04/11] iotests: handle -f argument correctly for qemu_io_silent, Vladimir Sementsov-Ogievskiy, 2018/12/29
- [Qemu-block] [PATCH v5 02/11] block/backup: move to copy_bitmap with granularity, Vladimir Sementsov-Ogievskiy, 2018/12/29