Re: [PATCH V3 21/21] famfs_fuse: Add documentation

From: John Groves

Date: Sun Jan 11 2026 - 13:53:25 EST


On 26/01/08 03:27PM, Jonathan Cameron wrote:
> On Wed, 7 Jan 2026 09:33:30 -0600
> John Groves <John@xxxxxxxxxx> wrote:
>
> > Add Documentation/filesystems/famfs.rst and update MAINTAINERS
> >
> > Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> > Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> > Signed-off-by: John Groves <john@xxxxxxxxxx>
> > ---
> > Documentation/filesystems/famfs.rst | 142 ++++++++++++++++++++++++++++
> > Documentation/filesystems/index.rst | 1 +
> > MAINTAINERS | 1 +
> > 3 files changed, 144 insertions(+)
> > create mode 100644 Documentation/filesystems/famfs.rst
> >
> > diff --git a/Documentation/filesystems/famfs.rst b/Documentation/filesystems/famfs.rst
> > new file mode 100644
> > index 000000000000..0d3c9ba9b7a8
> > --- /dev/null
> > +++ b/Documentation/filesystems/famfs.rst
>
> > +Principles of Operation
> > +=======================
> ....
> > +When an app accesses a data object in a famfs file, there is no page cache
> > +involvement. The CPU cache is loaded directly from the shared memory. In
> > +some use cases, this is an enormous reduction read amplification compared
> > +to loading an entire page into the page cache.
> > +
> Trivial but this double blank line seems inconsistent.
> I don't mind if it's one or two, but do the same everywhere.

This doc is identical to the the previous series, becuase I kept the Reviewed-by
and Tested-by tags from Randy. I'm happy to remove the extra blank line if he
or somebody from the doc team thinks I should.

>
> > +
> > +Famfs is Not a Conventional File System
> > +---------------------------------------
>
> Nice doc.
>
> Reviewed-by: Jonathan Cameron <jonathan.cameron@xxxxxxxxxx>

Thanks Jonathan!

John