Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> wrote on 04/20/2020 11:04:33 AM:
> Yes, the problem is that copy_range subsystem handles block-status, > when generic backup copying loop doesn't. I'm not sure that adding > fallback into copy-range is a correct thing to do, at least it > should be optional, enabled by flag.. But you don't need it for your problem, > as it is already fixed upstream: > > You need to backport my commit 2d57511a88 "block/block-copy: use > block_status" (together with 3 preparing patches before it, or with > the whole series (including some refactoring after the 2d57511 commit) Vladimir, thanks for the pointer to the "block/block-copy: use block_status" patch set. Those 4 patches do in fact solve the problem we were seeing. - Bryan
