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SubjectRe: [PATCH 1/3] fs/fuse: Remove unneeded kaddr parameter
On Fri, 11 Jun 2021 at 19:23, Ira Weiny <ira.weiny@intel.com> wrote:
>
> On Tue, May 25, 2021 at 10:24:26AM -0700, 'Ira Weiny' wrote:
> > From: Ira Weiny <ira.weiny@intel.com>
> >
> > 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.

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@intel.com>
> > Signed-off-by: Ira Weiny <ira.weiny@intel.com>
> > ---
> > 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
> >

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