On Fri, Jul 24, 2020 at 09:19:21PM +0530, Kanchan Joshi wrote: > zone-append with bvec iov_iter gives WARN_ON, and returns -EINVAL. > Add new helper to process such iov_iter and add pages in bio honoring > zone-append specific constraints. > This is used to enable zone-append with io-uring fixed-buffer. > > Signed-off-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx> > Signed-off-by: Selvakumar S <selvakuma.s1@xxxxxxxxxxx> > Signed-off-by: Nitesh Shetty <nj.shetty@xxxxxxxxxxx> > Signed-off-by: Javier Gonzalez <javier.gonz@xxxxxxxxxxx> > --- > block/bio.c | 31 ++++++++++++++++++++++++++++--- > 1 file changed, 28 insertions(+), 3 deletions(-) > > diff --git a/block/bio.c b/block/bio.c > index 0cecdbc..ade9da7 100644 > --- a/block/bio.c > +++ b/block/bio.c > @@ -975,6 +975,30 @@ static int __bio_iov_bvec_add_pages(struct bio *bio, struct iov_iter *iter) > iov_iter_advance(iter, size); > return 0; > } > +static int __bio_iov_bvec_append_add_pages(struct bio *bio, struct iov_iter *iter) Missing empty line and too long line, please stick to 80 chars for this code. Otherwise this looks sensible.
