Am 25.09.2017 um 22:02 hat John Snow geschrieben: > On 09/25/2017 08:28 AM, Kevin Wolf wrote: > > This is a step towards making the commit job flexible enough that it can > > work with any kind of block graph. Currently, it requires that not only > > the top and base node of the commit operation are specified, but also > > the active layer of the backing file chain. Of course, the assumption > > that a single active layer exists is invalid. > > > > This series makes the commit job consider other roots as well so that > > all parent nodes of the top node get their backing file updated and stay > > valid after the commit job completes. > > > > With this, we should have all of the prerequisites for a follow-up > > series that adds a new and clean blockdev-commit QMP command which > > doesn't require an option for the active layer and which accepts node > > names instead of file names for base and top. > > > > Kevin Wolf (5): > > block: Introduce BdrvChildRole.update_filename > > commit: Support multiple roots above top node > > qemu-iotests: Allow QMP pretty printing in common.qemu > > qemu-iotests: Test commit block job where top has two parents > > commit: Remove overlay_bs > > Does this depend on another series?
It is based on my block branch. I think specifically the series "block: Fix permissions after ro/rw reopen" might be needed for the patches to work correctly. Kevin
