linux-kernel - Re: [RFC V2 13/18] famfs_fuse: Create files with famfs fmaps

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Message-ID: <custjjqmvxt2u3wfjztwjdxvdxr6vbpvcoptt4vvv2itt7d2os@zqg5es4g7xmf>
Date: Sat, 5 Jul 2025 14:27:45 -0500
From: John Groves <John@...ves.net>
To: Amir Goldstein <amir73il@...il.com>
Cc: Dan Williams <dan.j.williams@...el.com>, 
	Bernd Schubert <bschubert@....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>, Christian Brauner <brauner@...nel.org>, 
	"Darrick J . Wong" <djwong@...nel.org>, Randy Dunlap <rdunlap@...radead.org>, 
	Jeff Layton <jlayton@...nel.org>, Kent Overstreet <kent.overstreet@...ux.dev>, 
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, nvdimm@...ts.linux.dev, 
	linux-cxl@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	Jonathan Cameron <Jonathan.Cameron@...wei.com>, Stefan Hajnoczi <shajnocz@...hat.com>, 
	Joanne Koong <joannelkoong@...il.com>, Josef Bacik <josef@...icpanda.com>, 
	Aravind Ramesh <arramesh@...ron.com>, Ajay Joshi <ajayjoshi@...ron.com>, 
	Miklos Szeredi <miklos@...redi.hu>
Subject: Re: [RFC V2 13/18] famfs_fuse: Create files with famfs fmaps

On 25/07/04 11:01AM, Amir Goldstein wrote:
> On Thu, Jul 3, 2025 at 8:51 PM John Groves <John@...ves.net> wrote:
> >
> > On completion of GET_FMAP message/response, setup the full famfs
> > metadata such that it's possible to handle read/write/mmap directly to
> > dax. Note that the devdax_iomap plumbing is not in yet...
> >
> > Update MAINTAINERS for the new files.
> >
> > Signed-off-by: John Groves <john@...ves.net>
> > ---
> >  MAINTAINERS               |   9 +
> >  fs/fuse/Makefile          |   2 +-
> >  fs/fuse/famfs.c           | 360 ++++++++++++++++++++++++++++++++++++++
> >  fs/fuse/famfs_kfmap.h     |  63 +++++++
> >  fs/fuse/file.c            |  15 +-
> >  fs/fuse/fuse_i.h          |  16 +-
> >  fs/fuse/inode.c           |   2 +-
> >  include/uapi/linux/fuse.h |  56 ++++++
> >  8 files changed, 518 insertions(+), 5 deletions(-)
> >  create mode 100644 fs/fuse/famfs.c
> >  create mode 100644 fs/fuse/famfs_kfmap.h
> >
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index c0d5232a473b..02688f27a4d0 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -8808,6 +8808,15 @@ F:       Documentation/networking/failover.rst
> >  F:     include/net/failover.h
> >  F:     net/core/failover.c
> >
> > +FAMFS
> > +M:     John Groves <jgroves@...ron.com>
> > +M:     John Groves <John@...ves.net>
> > +L:     linux-cxl@...r.kernel.org
> > +L:     linux-fsdevel@...r.kernel.org
> > +S:     Supported
> > +F:     fs/fuse/famfs.c
> > +F:     fs/fuse/famfs_kfmap.h
> > +
> 
> I suggest to follow the pattern of MAINTAINERS sub entries
> FILESYSTEMS [EXPORTFS]
> FILESYSTEMS [IOMAP]
> 
> and call this sub entry
> FUSE [FAMFS]
> 
> to order it following FUSE entry
> 
> Thanks,
> Amir.

Done, and queued to -next

Thanks,
John