From c8318dd2a63c230e5e731bc14750a466d7891ddc Mon Sep 17 00:00:00 2001
From: John Groves <John@Groves.net>
Date: Fri, 23 Feb 2024 11:42:04 -0600
Subject: [PATCH] famfs: Add Kconfig and Makefile plumbing

Add famfs Kconfig and Makefile, and hook into fs/Kconfig and fs/Makefile

Signed-off-by: John Groves <john@groves.net>
---
 fs/Kconfig        |  2 ++
 fs/Makefile       |  1 +
 fs/famfs/Kconfig  | 10 ++++++++++
 fs/famfs/Makefile |  5 +++++
 4 files changed, 18 insertions(+)
 create mode 100644 fs/famfs/Kconfig
 create mode 100644 fs/famfs/Makefile

diff --git a/fs/Kconfig b/fs/Kconfig
index 89fdbefd1075f8..8a11625a54a2d8 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -141,6 +141,8 @@ source "fs/autofs/Kconfig"
 source "fs/fuse/Kconfig"
 source "fs/overlayfs/Kconfig"
 
+source "fs/famfs/Kconfig"
+
 menu "Caches"
 
 source "fs/netfs/Kconfig"
diff --git a/fs/Makefile b/fs/Makefile
index c09016257f05e8..382c1ea4f4c3dc 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -130,3 +130,4 @@ obj-$(CONFIG_EFIVAR_FS)		+= efivarfs/
 obj-$(CONFIG_EROFS_FS)		+= erofs/
 obj-$(CONFIG_VBOXSF_FS)		+= vboxsf/
 obj-$(CONFIG_ZONEFS_FS)		+= zonefs/
+obj-$(CONFIG_FAMFS)             += famfs/
diff --git a/fs/famfs/Kconfig b/fs/famfs/Kconfig
new file mode 100644
index 00000000000000..e450928d8912e2
--- /dev/null
+++ b/fs/famfs/Kconfig
@@ -0,0 +1,10 @@
+
+
+config FAMFS
+       tristate "famfs: shared memory file system"
+       depends on DEV_DAX && FS_DAX
+       help
+         Support for the famfs file system. Famfs is a dax file system that
+	 can support scale-out shared access to fabric-attached memory
+	 (e.g. CXL shared memory). Famfs is not a general purpose file system;
+	 it is an enabler for data sets in shared memory.
diff --git a/fs/famfs/Makefile b/fs/famfs/Makefile
new file mode 100644
index 00000000000000..8cac90c090a428
--- /dev/null
+++ b/fs/famfs/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_FAMFS) += famfs.o
+
+famfs-y := famfs_inode.o famfs_file.o