Re: [PATCH 0/2] fuse, dax: Couple of fixes for fuse dax support

[Miklos Szeredi <miklos@szeredi.hu>]

On Tue, Sep 1, 2020 at 4:26 PM Vivek Goyal <vgoyal@redhat.com> wrote:
>
> Hi Miklos,
>
> I am testing fuse dax branch now. To begin with here are couple of
> simple fixes to make sure I/O is going through dax path.
>
> Either you can roll these fixes into existing patches or apply on
> top.
>
> I ran blogbench workload and some fio mmap jobs and these seem to be
> running fine after these fixes.

Thanks for testing and fixing.

Pushed a rerolled series to #for-next.   Would be good if you cour retest.

There's one checkpatch warning I'm unsure about:

| WARNING: Using vsprintf specifier '%px' potentially exposes the
kernel memory layout, if you don't really need the address please
consider using '%p'.
| #173: FILE: fs/fuse/virtio_fs.c:812:
| +    dev_dbg(&vdev->dev, "%s: window kaddr 0x%px phys_addr 0x%llx
len 0x%llx\n",
| +        __func__, fs->window_kaddr, cache_reg.addr, cache_reg.len);
|
| total: 0 errors, 1 warnings, 175 lines checked
|
| NOTE: For some of the reported defects, checkpatch may be able to
|       mechanically convert to the typical style using --fix or --fix-inplace.
|
| patches/virtio_fs-dax-set-up-virtio_fs-dax_device.patch has style
problems, please review.

Do you think that the kernel address in the debug output is necessary?

Thanks,
Miklos