linux-kernel - Re: [PATCH V3 12/21] famfs_fuse: Basic fuse kernel ABI enablement for famfs

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Message-ID: <hhqgn4n5mnr2onutmn4pri7gaaavl56op6amsdsqwlaggsi63f@pombhppmc2l2>
Date: Fri, 9 Jan 2026 16:58:18 -0600
From: John Groves <John@...ves.net>
To: Joanne Koong <joannelkoong@...il.com>
Cc: Miklos Szeredi <miklos@...redi.hu>, 
	Dan Williams <dan.j.williams@...el.com>, Bernd Schubert <bschubert@....com>, 
	Alison Schofield <alison.schofield@...el.com>, John Groves <jgroves@...ron.com>, 
	Jonathan Corbet <corbet@....net>, Vishal Verma <vishal.l.verma@...el.com>, 
	Dave Jiang <dave.jiang@...el.com>, Matthew Wilcox <willy@...radead.org>, Jan Kara <jack@...e.cz>, 
	Alexander Viro <viro@...iv.linux.org.uk>, David Hildenbrand <david@...nel.org>, 
	Christian Brauner <brauner@...nel.org>, "Darrick J . Wong" <djwong@...nel.org>, 
	Randy Dunlap <rdunlap@...radead.org>, Jeff Layton <jlayton@...nel.org>, 
	Amir Goldstein <amir73il@...il.com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>, 
	Stefan Hajnoczi <shajnocz@...hat.com>, Josef Bacik <josef@...icpanda.com>, 
	Bagas Sanjaya <bagasdotme@...il.com>, Chen Linxuan <chenlinxuan@...ontech.com>, 
	James Morse <james.morse@....com>, Fuad Tabba <tabba@...gle.com>, 
	Sean Christopherson <seanjc@...gle.com>, Shivank Garg <shivankg@....com>, 
	Ackerley Tng <ackerleytng@...gle.com>, Gregory Price <gourry@...rry.net>, 
	Aravind Ramesh <arramesh@...ron.com>, Ajay Joshi <ajayjoshi@...ron.com>, venkataravis@...ron.com, 
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, nvdimm@...ts.linux.dev, 
	linux-cxl@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH V3 12/21] famfs_fuse: Basic fuse kernel ABI enablement
 for famfs

On 26/01/09 10:29AM, Joanne Koong wrote:
> On Wed, Jan 7, 2026 at 7:34 AM John Groves <John@...ves.net> wrote:
> >
> > * FUSE_DAX_FMAP flag in INIT request/reply
> >
> > * fuse_conn->famfs_iomap (enable famfs-mapped files) to denote a
> >   famfs-enabled connection
> >
> > Signed-off-by: John Groves <john@...ves.net>
> > ---
> >  fs/fuse/fuse_i.h          | 3 +++
> >  fs/fuse/inode.c           | 6 ++++++
> >  include/uapi/linux/fuse.h | 5 +++++
> >  3 files changed, 14 insertions(+)
> >
> > diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
> > index c13e1f9a2f12..5e2c93433823 100644
> > --- a/include/uapi/linux/fuse.h
> > +++ b/include/uapi/linux/fuse.h
> > @@ -240,6 +240,9 @@
> >   *  - add FUSE_COPY_FILE_RANGE_64
> >   *  - add struct fuse_copy_file_range_out
> >   *  - add FUSE_NOTIFY_PRUNE
> > + *
> > + *  7.46
> > + *    - Add FUSE_DAX_FMAP capability - ability to handle in-kernel fsdax maps
> 
> very minor nit: the extra spacing before this line (and subsequent
> lines in later patches) should be removed
> 
> >   */
> >
> 
> Reviewed-by: Joanne Koong <joannelkoong@...il.com>

Thanks Joanne - fixed!

John