tree ca9bf7486c15c233f915f7be1cb61a0324c1ab68
parent 92140b9f3f07d80e2c27edcc6e32f392be2135e6
author Kevin Wolf <kwolf@redhat.com> 1668793265 +0100
committer Kevin Wolf <kwolf@redhat.com> 1671116862 +0100

block: Remove subtree drains

Subtree drains are not used any more. Remove them.

After this, BdrvChildClass.attach/detach() don't poll any more.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20221118174110.55183-11-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>