[PATCH v9 04/26] Add a function to kmap one page of a multipage bio_vec

David Howells dhowells at redhat.com
Mon Aug 10 13:31:03 PDT 2026


Matthew Wilcox <willy at infradead.org> wrote:

> On Mon, Aug 10, 2026 at 03:47:21PM +0100, David Howells wrote:
> > Add a function to kmap one page of a multipage bio_vec by offset (which is
> > added to the offset in the bio_vec internally).  The caller is responsible
> > for calculating how much of the page is then available.
> 
> I think this should be kmap_local_bvec().  Living in bvec.h makes sense,
> but keeping it in the kmap_local_ namespace is better than putting it in
> the bvec_ namespace.

Christoph disagrees with you:-/

David




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