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From: Christoph Hellwig <hch@infradead.org>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: Joanne Koong <joannelkoong@gmail.com>,
	John Groves <John@groves.net>, Bernd Schubert <bernd@bsbernd.com>,
	John Groves <john@jagalactic.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Bernd Schubert <bschubert@ddn.com>,
	Alison Schofield <alison.schofield@intel.com>,
	John Groves <jgroves@micron.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Vishal Verma <vishal.l.verma@intel.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Matthew Wilcox <willy@infradead.org>, Jan Kara <jack@suse.cz>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	David Hildenbrand <david@kernel.org>,
	Christian Brauner <brauner@kernel.org>,
	"Darrick J . Wong" <djwong@kernel.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Jeff Layton <jlayton@kernel.org>,
	Amir Goldstein <amir73il@gmail.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Stefan Hajnoczi <shajnocz@redhat.com>,
	Josef Bacik <josef@toxicpanda.com>,
	Bagas Sanjaya <bagasdotme@gmail.com>,
	Chen Linxuan <chenlinxuan@uniontech.com>,
	James Morse <james.morse@arm.com>, Fuad Tabba <tabba@google.com>,
	Sean Christopherson <seanjc@google.com>,
	Shivank Garg <shivankg@amd.com>,
	Ackerley Tng <ackerleytng@google.com>,
	Gregory Price <gourry@gourry.net>,
	Aravind Ramesh <arramesh@micron.com>,
	Ajay Joshi <ajayjoshi@micron.com>,
	"venkataravis@micron.com" <venkataravis@micron.com>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"nvdimm@lists.linux.dev" <nvdimm@lists.linux.dev>,
	"linux-cxl@vger.kernel.org" <linux-cxl@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	djbw@kernel.org
Subject: Re: [PATCH V10 00/10] famfs: port into fuse
Date: Fri, 17 Apr 2026 01:04:30 -0700	[thread overview]
Message-ID: <aeHpjpNN4TliZOyp@infradead.org> (raw)
In-Reply-To: <CAJfpegvVTcV89=q3L326aGQjhduBcv7PVg5QKftGLjNZmCLmaw@mail.gmail.com>

This is the first mail without annoying and pointless full quotes,
so chiming in here.  Sorry if I missed something important in all the
noise.

On Tue, Apr 14, 2026 at 03:19:36PM +0200, Miklos Szeredi wrote:
> On Fri, 10 Apr 2026 at 21:44, Joanne Koong <joannelkoong@gmail.com> wrote:
> 
> > Overall, my intention with bringing this up is just to make sure we're
> > at least aware of this alternative before anything is merged and
> > permanent. If Miklos and you think we should land this series, then
> > I'm on board with that.
> 
> TBH, I'd prefer not to add the famfs specific mapping interface if not
> absolutely necessary.

Yes,  fuse needing support for a specific file systems sounds like a
design mistake.

>This was the main sticking point originally,
> but there seemed to be no better alternative.
> 
> However with the bpf approach this would be gone, which is great.

So what is this bpf magic actually trying to solve?


  parent reply	other threads:[~2026-04-17  8:04 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20260331123702.35052-1-john@jagalactic.com>
2026-03-31 12:37 ` [PATCH V10 00/10] famfs: port into fuse John Groves
2026-03-31 12:38   ` [PATCH V10 01/10] famfs_fuse: Update macro s/FUSE_IS_DAX/FUSE_IS_VIRTIO_DAX/ John Groves
2026-03-31 12:38   ` [PATCH V10 02/10] famfs_fuse: Basic fuse kernel ABI enablement for famfs John Groves
2026-03-31 12:38   ` [PATCH V10 03/10] famfs_fuse: Plumb the GET_FMAP message/response John Groves
2026-03-31 12:38   ` [PATCH V10 04/10] famfs_fuse: Create files with famfs fmaps John Groves
2026-03-31 12:38   ` [PATCH V10 05/10] famfs_fuse: GET_DAXDEV message and daxdev_table John Groves
2026-03-31 12:39   ` [PATCH V10 06/10] famfs_fuse: Plumb dax iomap and fuse read/write/mmap John Groves
2026-03-31 12:39   ` [PATCH V10 07/10] famfs_fuse: Add holder_operations for dax notify_failure() John Groves
2026-03-31 12:39   ` [PATCH V10 08/10] famfs_fuse: Add DAX address_space_operations with noop_dirty_folio John Groves
2026-03-31 12:39   ` [PATCH V10 09/10] famfs_fuse: Add famfs fmap metadata documentation John Groves
2026-03-31 12:39   ` [PATCH V10 10/10] famfs_fuse: Add documentation John Groves
2026-04-01 15:15   ` [PATCH V10 00/10] famfs: port into fuse John Groves
2026-04-06 17:43   ` Joanne Koong
2026-04-10 14:46     ` John Groves
2026-04-10 15:24       ` Bernd Schubert
2026-04-10 18:38         ` John Groves
2026-04-10 19:44           ` Joanne Koong
2026-04-14 13:19             ` Miklos Szeredi
2026-04-14 13:41               ` John Groves
2026-04-14 14:18                 ` Miklos Szeredi
2026-04-14 15:23                   ` John Groves
2026-04-14 18:57                 ` Darrick J. Wong
2026-04-14 22:13                   ` Joanne Koong
2026-04-14 23:36                     ` Darrick J. Wong
2026-04-15  0:10                     ` John Groves
2026-04-16 15:56                       ` Joanne Koong
2026-04-16 20:14                         ` Gregory Price
2026-04-16 20:53                           ` Dan Williams
2026-04-16 22:43                             ` Darrick J. Wong
2026-04-17  0:44                               ` Joanne Koong
2026-04-17  5:40                                 ` Darrick J. Wong
2026-04-17  8:17                                   ` Christoph Hellwig
2026-04-17 15:58                                     ` Darrick J. Wong
2026-04-17  8:13                               ` Christoph Hellwig
2026-04-17 13:30                                 ` Gregory Price
2026-04-17  1:24                           ` Joanne Koong
2026-04-17  6:46                             ` Gregory Price
2026-04-17  9:06                               ` Amir Goldstein
2026-04-24 13:33                                 ` Christoph Hellwig
2026-04-24 14:35                                   ` Amir Goldstein
2026-04-14 22:20                   ` Gregory Price
2026-04-15  8:16                     ` David Hildenbrand (Arm)
2026-04-15 13:34                       ` Gregory Price
2026-04-15 14:04                         ` Miklos Szeredi
2026-04-15 15:10                           ` Matthew Wilcox
2026-04-15 15:28                             ` Darrick J. Wong
2026-04-15 15:32                             ` Gregory Price
2026-04-15 17:12                               ` Joanne Koong
2026-04-15 19:40                                 ` Gregory Price
2026-04-19 20:36                       ` John Groves
2026-04-20  0:27                         ` Gregory Price
2026-04-21  3:12                           ` Joanne Koong
2026-04-21 14:30                             ` Gregory Price
2026-04-21 18:59                               ` Joanne Koong
2026-04-21 22:13                                 ` Gregory Price
2026-04-14 23:53                   ` John Groves
2026-04-15  0:15                     ` Darrick J. Wong
2026-04-15  8:57                       ` Miklos Szeredi
2026-04-17  8:04               ` Christoph Hellwig [this message]
2026-04-17 19:35                 ` Joanne Koong
2026-04-21  6:59                   ` Christian Brauner
2026-05-04 15:08   ` Bernd Schubert

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