On Wed, Oct 26, 2022 at 09:29:21AM -0700, Bart Van Assche wrote: > On 10/26/22 08:14, Dawei Li wrote: > > Convert current looping-based implementation into bit operation, > > which can bring improvement for: > > > > 1) bitops is more efficient for its arch-level optimization. > > As far as I know blksize_bits() is not used in the hot path so performance > of this function is not critical. blksize_bits() is used on every IO going through iomap_dio_bio_iter(), though the usage there is completely unnecessary and can be removed.
