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
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
--
Johannes Thumshirn SUSE Labs Filesystems
jthumshirn@xxxxxxx +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
