Re: [PATCH v2 0/4] Assigning NULL to gfn of dax_direct_access if useless

[Dan Williams]

On Wed, Jul 4, 2018 at 9:38 AM, Huaisheng Ye <yehs2007@xxxxxxxx> wrote:
> From: Huaisheng Ye <yehs1@xxxxxxxxxx>
>
> Changes since v1 [1]:
> * Collect Jan's reviewed-by.
> * According to Dan's suggestion, update the unit test infrastructure
>   tools/testing/nvdimm/pmem-dax.c for checking the validity of gfn.
>
> [1]: https://lkml.org/lkml/2018/7/4/81
>
> ---
>
> Some functions within fs/dax don't need to get gfn from direct_access.

Any reason you are calling it 'gfn'? I'm assuming that is a typo and
it should be 'pfn'.