Re: [PATCH 19/21] block: Mark bdrv_root_unref_child() GRAPH_WRLOCK

[Stefan Hajnoczi]

On Thu, Aug 17, 2023 at 02:50:18PM +0200, Kevin Wolf wrote:
> Instead of taking the writer lock internally, require callers to already
> hold it when calling bdrv_root_unref_child(). These callers will
> typically already hold the graph lock once the locking work is
> completed, which means that they can't call functions that take it
> internally.
> 
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
>  include/block/block_int-global-state.h | 2 +-
>  block.c                                | 6 +++---
>  block/block-backend.c                  | 3 +++
>  blockjob.c                             | 2 ++
>  4 files changed, 9 insertions(+), 4 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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