Re: [PATCH v2 08/33] block/backup: drop support for copy_range

2021-05-28 Thread Vladimir Sementsov-Ogievskiy
20.05.2021 17:21, Vladimir Sementsov-Ogievskiy wrote: copy_range is not a default behavior since 6a30f663d4c0b3c, and it's now available only though x-perf experimantal argument, so it's OK to drop it. Even when backup is used to copy disk to same filesystem, and filesystem supports zero-copy co

[PATCH v2 08/33] block/backup: drop support for copy_range

2021-05-20 Thread Vladimir Sementsov-Ogievskiy
copy_range is not a default behavior since 6a30f663d4c0b3c, and it's now available only though x-perf experimantal argument, so it's OK to drop it. Even when backup is used to copy disk to same filesystem, and filesystem supports zero-copy copy_range, copy_range is probably not what we want for ba