linux-kernel - RE: [PATCH v3 0/3] fsdax: Factor helper functions to simplify the code

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Date:   Fri, 14 May 2021 10:23:25 +0000
From:   "ruansy.fnst@...itsu.com" <ruansy.fnst@...itsu.com>
To:     "dan.j.williams@...el.com" <dan.j.williams@...el.com>
CC:     "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        "linux-xfs@...r.kernel.org" <linux-xfs@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "darrick.wong@...cle.com" <darrick.wong@...cle.com>,
        "willy@...radead.org" <willy@...radead.org>,
        "jack@...e.cz" <jack@...e.cz>,
        "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
        "linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>,
        "david@...morbit.com" <david@...morbit.com>,
        "hch@....de" <hch@....de>, "rgoldwyn@...e.de" <rgoldwyn@...e.de>
Subject: RE: [PATCH v3 0/3] fsdax: Factor helper functions to simplify the
 code

> 
> Hi, Dan
> 
> Do you have any comments on this?

Ping

> 
> 
> --
> Thanks,
> Ruan Shiyang.
> 
> > -----Original Message-----
> > From: Shiyang Ruan <ruansy.fnst@...itsu.com>
> > Sent: Thursday, April 22, 2021 9:45 PM
> > Subject: [PATCH v3 0/3] fsdax: Factor helper functions to simplify the
> > code
> >
> > From: Shiyang Ruan <ruansy.fnst@...fujitsu.com>
> >
> > The page fault part of fsdax code is little complex. In order to add
> > CoW feature and make it easy to understand, I was suggested to factor
> > some helper functions to simplify the current dax code.
> >
> > This is separated from the previous patchset called "V3 fsdax,xfs: Add
> > reflink&dedupe support for fsdax", and the previous comments are here[1].
> >
> > [1]:
> > https://patchwork.kernel.org/project/linux-nvdimm/patch/20210319015237
> > .99
> > 3880-3-ruansy.fnst@...itsu.com/
> >
> > Changes from V2:
> >  - fix the type of 'major' in patch 2
> >  - Rebased on v5.12-rc8
> >
> > Changes from V1:
> >  - fix Ritesh's email address
> >  - simplify return logic in dax_fault_cow_page()
> >
> > (Rebased on v5.12-rc8)
> > ==
> >
> > Shiyang Ruan (3):
> >   fsdax: Factor helpers to simplify dax fault code
> >   fsdax: Factor helper: dax_fault_actor()
> >   fsdax: Output address in dax_iomap_pfn() and rename it
> >
> >  fs/dax.c | 443
> > +++++++++++++++++++++++++++++--------------------------
> >  1 file changed, 234 insertions(+), 209 deletions(-)
> >
> > --
> > 2.31.1
> 
>