block/backup: implement .cancel job handler
commitff789bf5a93cede32a01e648dc010032791c84e1
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Fri, 5 Feb 2021 16:37:19 +0000 (5 19:37 +0300)
committerEric Blake <eblake@redhat.com>
Fri, 12 Feb 2021 18:17:08 +0000 (12 12:17 -0600)
tree4add210aa773b975549e6b63ce484913bcf1174c
parentd00dd63135f7e18ddca2642d1933da1507f3f1cd
block/backup: implement .cancel job handler

Cancel in-flight io on target to not waste the time.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210205163720.887197-10-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
block/backup.c