On 6/15/21 6:24 AM, Christoph Hellwig wrote:
> +/**
> + * bvec_kmap_local - map a bvec into the kernel virtual address space
> + * @bvec: bvec to map
> + *
> + * Must be called on single-page bvecs only. Call kunmap_local on the
> returned
> + * address to unmap.
> + */
> +static inline void *bvec_kmap_local(struct bio_vec *bvec)
> +{
> + return kmap_local_page(bvec->bv_page) + bvec->bv_offset;
> +}
Hi Christoph,
Would it be appropriate to add WARN_ON_ONCE(bvec->bv_offset >=
PAGE_SIZE) in this function?
Thanks,
Bart.
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