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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