From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-nvdimm <linux-nvdimm@lists.01.org>,
"Michal Hocko" <mhocko@suse.com>, "Jan Kara" <jack@suse.cz>,
"Mike Snitzer" <snitzer@redhat.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Dave Chinner" <david@fromorbit.com>,
"Linux MM" <linux-mm@kvack.org>, "Christoph Hellwig" <hch@lst.de>,
"Thomas Meyer" <thomas@m3y3r.de>,
"kbuild test robot" <lkp@intel.com>,
"Alasdair Kergon" <agk@redhat.com>,
"Heiko Carstens" <heiko.carstens@de.ibm.com>,
"Martin Schwidefsky" <schwidefsky@de.ibm.com>,
"Jérôme Glisse" <jglisse@redhat.com>,
"Alexander Viro" <viro@zeniv.linux.org.uk>,
"Matthew Wilcox" <mawilcox@microsoft.com>,
stable <stable@vger.kernel.org>,
linux-xfs <linux-xfs@vger.kernel.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>
Subject: Re: [PATCH v9 0/9] dax: fix dma vs truncate/hole-punch
Date: Mon, 7 May 2018 17:16:36 -0700 [thread overview]
Message-ID: <20180508001636.GM4141@magnolia> (raw)
In-Reply-To: <CAPcyv4ihoGPJWA4X7V0h4BsX9_+4AXdHF=bmb==8iQMfc94YMQ@mail.gmail.com>
On Thu, May 03, 2018 at 04:53:18PM -0700, Dan Williams wrote:
> On Tue, Apr 24, 2018 at 4:33 PM, Dan Williams <dan.j.williams@intel.com> wrote:
> > Changes since v8 [1]:
> > * Rebase on v4.17-rc2
> >
> > * Fix get_user_pages_fast() for ZONE_DEVICE pages to revalidate the pte,
> > pmd, pud after taking references (Jan)
> >
> > * Kill dax_layout_lock(). With get_user_pages_fast() for ZONE_DEVICE
> > fixed we can then rely on the {pte,pmd}_lock to synchronize
> > dax_layout_busy_page() vs new page references (Jan)
> >
> > * Hold the iolock over repeated invocations of dax_layout_busy_page() to
> > enable truncate/hole-punch to make forward progress in the presence of
> > a constant stream of new direct-I/O requests (Jan).
> >
> > [1]: https://lists.01.org/pipermail/linux-nvdimm/2018-March/015058.html
>
> I'll push this for soak time in -next if there are no further comments...
I don't have any. :D
--D
prev parent reply other threads:[~2018-05-08 0:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-24 23:33 [PATCH v9 0/9] dax: fix dma vs truncate/hole-punch Dan Williams
2018-04-24 23:33 ` [PATCH v9 1/9] dax, dm: introduce ->fs_{claim, release}() dax_device infrastructure Dan Williams
2018-05-09 10:37 ` Jan Kara
2018-04-24 23:33 ` [PATCH v9 2/9] mm, dax: enable filesystems to trigger dev_pagemap ->page_free callbacks Dan Williams
2018-05-16 7:20 ` Dan Williams
2018-04-24 23:33 ` [PATCH v9 3/9] memremap: split devm_memremap_pages() and memremap() infrastructure Dan Williams
2018-05-09 10:29 ` Jan Kara
2018-04-24 23:33 ` [PATCH v9 4/9] mm, dev_pagemap: introduce CONFIG_DEV_PAGEMAP_OPS Dan Williams
2018-04-24 23:33 ` [PATCH v9 5/9] mm: fix __gup_device_huge vs unmap Dan Williams
2018-05-09 10:46 ` Jan Kara
2018-04-24 23:33 ` [PATCH v9 6/9] mm, fs, dax: handle layout changes to pinned dax mappings Dan Williams
2018-05-09 10:56 ` Jan Kara
2018-05-09 22:06 ` Dan Williams
2018-04-24 23:33 ` [PATCH v9 7/9] xfs: prepare xfs_break_layouts() to be called with XFS_MMAPLOCK_EXCL Dan Williams
2018-04-24 23:33 ` [PATCH v9 8/9] xfs: prepare xfs_break_layouts() for another layout type Dan Williams
2018-04-24 23:33 ` [PATCH v9 9/9] xfs, dax: introduce xfs_break_dax_layouts() Dan Williams
2018-05-09 12:27 ` Jan Kara
2018-05-09 22:54 ` Dan Williams
2018-05-09 14:38 ` Darrick J. Wong
2018-05-03 23:53 ` [PATCH v9 0/9] dax: fix dma vs truncate/hole-punch Dan Williams
2018-05-08 0:16 ` Darrick J. Wong [this message]
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