On Wed, 7 Jan 2026 09:33:30 -0600 John Groves <[email protected]> wrote:
> Add Documentation/filesystems/famfs.rst and update MAINTAINERS > > Reviewed-by: Randy Dunlap <[email protected]> > Tested-by: Randy Dunlap <[email protected]> > Signed-off-by: John Groves <[email protected]> > --- > 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. > + > +Famfs is Not a Conventional File System > +--------------------------------------- Nice doc. Reviewed-by: Jonathan Cameron <[email protected]>
