Re: [PATCH v3 00/10] Refactor bdrv_try_set_aio_context using transactions

[Kevin Wolf]

Am 25.10.2022 um 10:49 hat Emanuele Giuseppe Esposito geschrieben:
> The aim of this series is to reorganize bdrv_try_set_aio_context
> and drop BDS ->set_aio_context and ->can_set_aio_ctx callbacks in
> favour of a new one, ->change_aio_ctx.
> 
> More informations in patch 3 (which is also RFC, due to the doubts
> I have with AioContext locks).
> 
> Patch 1 just add assertions in the code, 2 extends the transactions API to be 
> able to add also transactions in the tail
> of the list.
> Patch 3 is the core of this series, and introduces the new callback.
> It is marked as RFC and the reason is explained in the commit message.
> Patches 4-5-6 implement ->change_aio_ctx in the various block, blockjob
> and block-backend BDSes.
> Patch 7 substitutes ->change_aio_ctx with the old callbacks, and
> patch 8 takes care of deleting the old callbacks and unused code.
> 
> This series is based on "job: replace AioContext lock with job_mutex",
> but just because it uses job_set_aio_context() introduced there.
> 
> Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
> Based-on: <20220706201533.289775-1-eesposit@redhat.com>
> ---
> v3:
> * add aiocontext lock acquire/remove around bdrv_detach_aio_context
> * typos and nitpicks
> * remove patch 4: bdrv_child_try_change_aio_context: add transaction parameter

Thanks, applied to the block branch.

Kevin