Re: [PATCH 30/32] aio: add delayed cancel support

From: Jeff Moyer
Date: Wed Jan 10 2018 - 17:59:21 EST


Christoph Hellwig <hch@xxxxxx> writes:

> The upcoming aio poll support would like to be able to complete the
> iocb inline from the cancellation context, but that would cause
> a lock order reversal. Add support for optionally moving the cancelation
> outside the context lock to avoid this reversal.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Jeff Moyer <jmoyer@xxxxxxxxxx>