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From:   Dan Williams <dan.j.williams@intel.com>
Date:   Wed, 4 Jul 2018 10:16:09 -0700
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Subject: Re: [PATCH v2 0/4] Assigning NULL to gfn of dax_direct_access if useless
To:     Huaisheng Ye <yehs2007@zoho.com>
Cc:     linux-nvdimm <linux-nvdimm@lists.01.org>,
        Ross Zwisler <ross.zwisler@linux.intel.com>,
        Matthew Wilcox <willy@infradead.org>,
        Vishal L Verma <vishal.l.verma@intel.com>,
        Dave Jiang <dave.jiang@intel.com>,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        Al Viro <viro@zeniv.linux.org.uk>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Jens Axboe <axboe@kernel.dk>,
        Greg KH <gregkh@linuxfoundation.org>,
        Bart Van Assche <bart.vanassche@wdc.com>,
        Jan Kara <jack@suse.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        colyli <colyli@suse.de>, NingTing Cheng <chengnt@lenovo.com>,
        Huaisheng Ye <yehs1@lenovo.com>
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On Wed, Jul 4, 2018 at 9:55 AM, Huaisheng Ye <yehs2007@zoho.com> wrote:
>
>
>
>
>  ---- On Thu, 05 Jul 2018 00:48:40 +0800 Dan Williams <dan.j.williams@intel.com> wrote ----
>  > On Wed, Jul 4, 2018 at 9:38 AM, Huaisheng Ye <yehs2007@zoho.com> wrote:
>  > > From: Huaisheng Ye <yehs1@lenovo.com>
>  > >
>  > > 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'.
>
> Oh, sorry.
> I made a mistake, it is a typo. I will correct it right now.

Don't worry about sending a new version. I'll fix it up when I apply the series.