[PATCH RFC 4/5] block: move bio validation into __bio_split_to_limits

[Sagi Grimberg]

On 20/05/2026 18:19, Keith Busch wrote:
> On Wed, May 20, 2026 at 09:25:48AM +0200, Christoph Hellwig wrote:
>> Moving the checking from submit_bio_noacct into __bio_split_to_limits
>> means that we lose it for bio-based drivers except for the few that
>> manuall call bio_split_to_limits.  So we'll still need a helper for
>> them, which could be called just before calling into ->submit_bio.
> Oh good point. It looks like many of them don't even want their bio's to
> split, so probably would need to factor out a limits check from the
> split so that both can call from an entered queue context. Thanks for
> the feedback.

Commented in the previous patch, would it make sense to move these
to __bio_queue_enter itself as bio_post_enter_checks() ?