Am 06.10.2016 um 15:02 hat Alberto Garcia geschrieben:
> After a successful block-commit operation all nodes between top and
> base are removed from the backing chain, and top's overlay needs to
> be updated to point to base. Because of that we should prevent other
> block jobs from messing with them.
> This patch blocks all operations in these nodes in commit_start().
Again, except for dataplane. But this time, I think it's actually okay
because backing files of the source automatically stay in the same
AioContext as the source. Just mention it in the commit message.
> Signed-off-by: Alberto Garcia <be...@igalia.com>
Reviewed-by: Kevin Wolf <kw...@redhat.com>