Re: [PATCH 3/3] xfs: convert buffer cache to use high order folios

Christoph Hellwig
2024-01-22T06:45:56Z

> + int length = BBTOB(bp->b_length);
> + int order;
> +
> + order = ilog2(length);
> + if ((1 << order) < length)
> + order = ilog2(length - 1) + 1;
> +
> + if (order <= PAGE_SHIFT)
> + order = 0;
> + else
> + order -= PAGE_SHIFT;

Shouldn't this simply use get_order()?