04.10.2019 17:21, Max Reitz wrote: > 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 >
Yay!! Thank you! -- Best regards, Vladimir