09.08.2019 18:32, Vladimir Sementsov-Ogievskiy wrote:
> Hi all!
>
> There are some fixes and refactorings I need on my way to resend
> my backup-top series. It's obvious now that I need to share copying
> code between backup and backup-top, as backup copying code becomes
> smarter and more complicated. So the goal of the series is to make copying
> code more share-able.
>
> It's based on John's bitmaps branch, rebased on master.
No, it's based directly on John's bitmaps branch:
Based-on: https://github.com/jnsnow/qemu bitmaps
>
> v2 (by Max's comments):
>
> 02: Add Max's r-b
> 03: - split out backup changes to 03
> - handle common max_transfer = 0 case
> 04: splat out from 02
> 06: fix allocation size
> 07: - rebase on 06 changes
> - add Max's r-b
>
> two patches are dropped or postponed for the next step
>
> Vladimir Sementsov-Ogievskiy (7):
> block/backup: deal with zero detection
> block/backup: refactor write_flags
> block/io: handle alignment and max_transfer for copy_range
> block/backup: drop handling of max_transfer for copy_range
> block/backup: fix backup_cow_with_offload for last cluster
> block/backup: teach backup_cow_with_bounce_buffer to copy more at once
> block/backup: merge duplicated logic into backup_do_cow
>
> block/backup.c | 125 +++++++++++++++++++------------------------------
> block/io.c | 48 +++++++++++++++----
> blockdev.c | 8 ++--
> 3 files changed, 91 insertions(+), 90 deletions(-)
>
--
Best regards,
Vladimir