Re: [Qemu-devel] [PATCH 0/4] block: BdrvChildRole.drained_begin/end fixes

[Fam Zheng <famz@redhat.com>]

On Mon, 05/23 18:55, Kevin Wolf wrote:
> While working on the series that converts block jobs to using a separate
> BlockBackend, I noticed that I need to do some drain fixes first. So here they
> are.
> 
> Patches 1 and 2 are just preparation, patches 3 and 4 are the actual fixes.
> 
> Kevin Wolf (4):
>   block: Introduce bdrv_replace_child()
>   block: Make bdrv_drain() use bdrv_drained_begin/end()
>   block: Fix reconfiguring graph with drained nodes
>   block: Propagate .drained_begin/end callbacks

Reviewed-by: Fam Zheng <famz@redhat.com>

> 
>  block.c                   | 58 +++++++++++++++++++++++++++++++++------
>  block/block-backend.c     |  9 ++++---
>  block/io.c                | 69 +++++++++++++++++++++++------------------------
>  include/block/block_int.h |  3 ++-
>  4 files changed, 90 insertions(+), 49 deletions(-)
> 
> -- 
> 1.8.3.1
>