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From: Christoph Hellwig <hch@lst.de>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Jan Kara <jack@suse.cz>,
	"Darrick J. Wong" <darrick.wong@oracle.com>,
	Arnd Bergmann <arnd@arndb.de>,
	"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
	Linux API <linux-api@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-xfs@vger.kernel.org, linux-mm <linux-mm@kvack.org>,
	Andy Lutomirski <luto@kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v4 2/3] mm: introduce MAP_VALIDATE a mechanism for adding new mmap flags
Date: Sun, 17 Sep 2017 19:39:45 +0200	[thread overview]
Message-ID: <20170917173945.GA22200@lst.de> (raw)
In-Reply-To: <CAA9_cmc0vejxCsc1NWp5b4C0CSsO5xetF3t6LCoCuEYB6yPiwQ@mail.gmail.com>

On Sat, Sep 16, 2017 at 08:44:14PM -0700, Dan Williams wrote:
> So it wasn't all that easy, and Linus declined to take it. I think we
> should add a new ->mmap_validate() file operation and save the
> tree-wide cleanup until later.

Note that we already have a mmap_capabilities callout for nommu,
I wonder if we could generalize that.

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  reply	other threads:[~2017-09-17 17:39 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-15  6:12 [PATCH v4 0/3] MAP_DIRECT and block-map sealed files Dan Williams
2017-08-15  6:12 ` [PATCH v4 1/3] fs, xfs: introduce S_IOMAP_SEALED Dan Williams
2017-08-15  6:12 ` [PATCH v4 2/3] mm: introduce MAP_VALIDATE a mechanism for adding new mmap flags Dan Williams
2017-08-15 12:27   ` Jan Kara
2017-08-15 16:24     ` Dan Williams
2017-09-17  3:44     ` Dan Williams
2017-09-17 17:39       ` Christoph Hellwig [this message]
2017-09-18  9:31         ` Jan Kara
2017-09-18 15:47           ` Dan Williams
2017-09-18  9:26       ` Jan Kara
2017-08-15 16:28   ` Andy Lutomirski
2017-08-15 22:31     ` Dan Williams
2017-08-17  8:06   ` kbuild test robot
2017-08-15  6:12 ` [PATCH v4 3/3] fs, xfs: introduce MAP_DIRECT for creating block-map-sealed file ranges Dan Williams
2017-08-15  9:18   ` Kirill A. Shutemov
2017-08-15 17:11     ` Dan Williams
2017-08-16 10:25       ` Kirill A. Shutemov
2017-08-15 12:42   ` Jan Kara
2017-08-15 16:29     ` Dan Williams
2017-08-16  1:15       ` Dan Williams
2017-08-17  8:49   ` kbuild test robot
2017-08-15  9:01 ` [PATCH v4 0/3] MAP_DIRECT and block-map sealed files Dave Chinner

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