Re: [PATCH 26/27] kernel/power/swap.c: use bio_get_base_vec()

[Christoph Hellwig]

I really don't like all these bio_get_base_vec uses.  The end_io
handlers generall want to iterate over all pages in the bio, with
a special case where all of them is the fixed number one.

So What I think we'll need is a bio_for_each_page, and if there is
any good justification for it as special version of the single
page case.