On 28/02/2019 17:00, Christoph Hellwig wrote:
> There is no need to only iterate in chunks of PAGE_SIZE or less in
> bvec_iter_advance, given that the callers pass in the chunk length that
> they are operating on - either that already is less than PAGE_SIZE
this? ^
> because they do classic page-based iteration, or it is larger because
> the caller operates on multi-page bvecs.
>
> This should help optimizing shaving off a few cycles of the I/O hot
optimizing || shaving off, both together sounds awkward.
Otherwise
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