Re: [PATCH for-5.0 v5 0/3] Fix some AIO context locking in jobs

[Kevin Wolf]

Am 07.04.2020 um 13:56 hat Stefan Reiter geschrieben:
> Contains three seperate but related patches cleaning up and fixing some
> issues regarding aio_context_acquire/aio_context_release for jobs. Mostly
> affects blockjobs running for devices that have IO threads enabled AFAICT.
> 
> 
> Changes from v4:
> * Do job_ref/job_unref in job_txn_apply and job_exit since we need the job to
>   survive the callback to access the potentially changed lock afterwards
> * Reduce patch 2/3 to an assert, the context should already be acquired since
>   it's a bdrv handler
> * Collect R-by for 3/3
> 
> I've marked it 'for-5.0' this time, I think it would make sense to be
> picked up together with Kevin's "block: Fix blk->in_flight during
> blk_wait_while_drained()" series. With that series and these three patches
> applied I can no longer reproduce any of the reported related crashes/hangs.

Thanks, applied to the block branch.

Kevin