linux-kernel - Re: [PATCH v8 0/3] mm, pmem, xfs: Introduce MF_MEM

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Message-ID: <YyIaVZ36biogzQU3@magnolia>
Date:   Wed, 14 Sep 2022 11:15:49 -0700
From:   "Darrick J. Wong" <djwong@...nel.org>
To:     Shiyang Ruan <ruansy.fnst@...itsu.com>
Cc:     dan.j.williams@...el.com, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, nvdimm@...ts.linux.dev,
        linux-xfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        hch@...radead.org, david@...morbit.com, jane.chu@...cle.com
Subject: Re: [PATCH v8 0/3] mm, pmem, xfs: Introduce MF_MEM_REMOVE for unbind

On Wed, Sep 14, 2022 at 11:09:23AM -0700, Darrick J. Wong wrote:
> On Wed, Sep 07, 2022 at 05:46:00PM +0800, Shiyang Ruan wrote:
> > ping
> > 
> > 在 2022/9/2 18:35, Shiyang Ruan 写道:
> > > Changes since v7:
> > >    1. Add P1 to fix calculation mistake
> > >    2. Add P2 to move drop_pagecache_sb() to super.c for xfs to use
> > >    3. P3: Add invalidate all mappings after sync.
> > >    4. P3: Set offset&len to be start&length of device when it is to be removed.
> > >    5. Rebase on 6.0-rc3 + Darrick's patch[1] + Dan's patch[2].
> > > 
> > > Changes since v6:
> > >    1. Rebase on 6.0-rc2 and Darrick's patch[1].
> > > 
> > > [1]: https://lore.kernel.org/linux-xfs/Yv5wIa2crHioYeRr@magnolia/
> > > [2]: https://lore.kernel.org/linux-xfs/166153426798.2758201.15108211981034512993.stgit@dwillia2-xfh.jf.intel.com/
> 
> Just out of curiosity, is it your (or djbw's) intent to send all these
> as bugfixes for 6.0 via akpm like all the other dax fixen?

Aha, this is 6.1 stuff, please ignore this question.

--D

> --D
> 
> > > 
> > > Shiyang Ruan (3):
> > >    xfs: fix the calculation of length and end
> > >    fs: move drop_pagecache_sb() for others to use
> > >    mm, pmem, xfs: Introduce MF_MEM_REMOVE for unbind
> > > 
> > >   drivers/dax/super.c         |  3 ++-
> > >   fs/drop_caches.c            | 33 ---------------------------------
> > >   fs/super.c                  | 34 ++++++++++++++++++++++++++++++++++
> > >   fs/xfs/xfs_notify_failure.c | 31 +++++++++++++++++++++++++++----
> > >   include/linux/fs.h          |  1 +
> > >   include/linux/mm.h          |  1 +
> > >   6 files changed, 65 insertions(+), 38 deletions(-)
> > >