Re: [RFC for-next v2 1/4] bio: safeguard REQ_ALLOC_CACHE bio put

From: Christoph Hellwig
Date: Thu Oct 20 2022 - 04:26:46 EST


On Tue, Oct 18, 2022 at 08:50:55PM +0100, Pavel Begunkov wrote:
> bio_put() with REQ_ALLOC_CACHE assumes that it's executed not from
> an irq context. Let's add a warning if the invariant is not respected,
> especially since there is a couple of places removing REQ_POLLED by hand
> without also clearing REQ_ALLOC_CACHE.

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>