On Fri, Jun 18, 2021 at 09:01:39AM +0200, Miklos Szeredi wrote:
> On Fri, 11 Jun 2021 at 19:23, Ira Weiny <ira.weiny@xxxxxxxxx> wrote:
> >
> > On Tue, May 25, 2021 at 10:24:26AM -0700, 'Ira Weiny' wrote:
> > > From: Ira Weiny <ira.weiny@xxxxxxxxx>
> > >
> > > fuse_dax_mem_range_init() does not need the address or the pfn of the
> > > memory requested in dax_direct_access(). It is only calling direct
> > > access to get the number of pages.
> >
> > In looking for feedback on this small series I realize that I failed to email
> > Miklos for the fs/fuse patch.
> >
> > I'm adding Miklos to the To line...
>
> LGTM, but this is Vivek's code, so adding Cc.
>
Looks good to me as well. We are not using pfn and kaddr in
fuse_dax_mem_range_init().
Reviewed-by: Vivek Goyal <vgoyal@xxxxxxxxxx>
Thanks
Vivek
> Thanks,
> Miklos
>
>
> >
> > For the rest of the series is there any feedback?
> >
> > Ira
> >
> > >
> > > Remove the unused variables and stop requesting the kaddr and pfn from
> > > dax_direct_access().
> > >
> > > Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> > > Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
> > > ---
> > > fs/fuse/dax.c | 6 ++----
> > > 1 file changed, 2 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c
> > > index ff99ab2a3c43..34f8a5635c7f 100644
> > > --- a/fs/fuse/dax.c
> > > +++ b/fs/fuse/dax.c
> > > @@ -1234,8 +1234,6 @@ void fuse_dax_conn_free(struct fuse_conn *fc)
> > > static int fuse_dax_mem_range_init(struct fuse_conn_dax *fcd)
> > > {
> > > long nr_pages, nr_ranges;
> > > - void *kaddr;
> > > - pfn_t pfn;
> > > struct fuse_dax_mapping *range;
> > > int ret, id;
> > > size_t dax_size = -1;
> > > @@ -1247,8 +1245,8 @@ static int fuse_dax_mem_range_init(struct fuse_conn_dax *fcd)
> > > INIT_DELAYED_WORK(&fcd->free_work, fuse_dax_free_mem_worker);
> > >
> > > id = dax_read_lock();
> > > - nr_pages = dax_direct_access(fcd->dev, 0, PHYS_PFN(dax_size), &kaddr,
> > > - &pfn);
> > > + nr_pages = dax_direct_access(fcd->dev, 0, PHYS_PFN(dax_size), NULL,
> > > + NULL);
> > > dax_read_unlock(id);
> > > if (nr_pages < 0) {
> > > pr_debug("dax_direct_access() returned %ld\n", nr_pages);
> > > --
> > > 2.28.0.rc0.12.gb6a658bd00c9
> > >
>
