On Wed, Nov 21, 2018 at 11:06:11PM +0800, Ming Lei wrote: > bvec_iter_* is used for single-page bvec in current linus tree, and there are > lots of users now: > > [linux]$ git grep -n "bvec_iter_*" ./ | wc > 191 995 13242 > > If we have to switch it first, it can be a big change, just wondering if Jens > is happy with that? Your above grep statement seems to catch every use of struct bvec_iter, due to the *. Most uses of bvec_iter_ are either in the block headers, or are ceph wrappers that match the above and can easily be redefined.