Re: [PATCH] block: Replace bio_check_ro()'s WARN_ON()

From: Christoph Hellwig
Date: Fri Nov 22 2019 - 14:07:10 EST


On Fri, Nov 22, 2019 at 10:53:22AM -0800, Kees Cook wrote:
> Friendly ping! I keep tripping over this. Can this please get applied so
> we can silence syzbot and avoid needless WARNs? :)

What call stack reaches this? Upper layers should never submit a write
bio on a read-only queue, and we need to fix that in the upper layer.