diff --git a/sdk_container/src/third_party/coreos-overlay/net-fs/samba/metadata.xml b/sdk_container/src/third_party/coreos-overlay/net-fs/samba/metadata.xml
index d1bb8bfdd5..e871aa5724 100644
--- a/sdk_container/src/third_party/coreos-overlay/net-fs/samba/metadata.xml
+++ b/sdk_container/src/third_party/coreos-overlay/net-fs/samba/metadata.xml
@@ -16,12 +16,16 @@
 		<flag name="client">Enables the client part</flag>
 		<flag name="cluster">Enable support for clustering</flag>
 		<flag name="dmapi">Enable support for DMAPI. This currently works only in combination with XFS.</flag>
+		<flag name="glusterfs">Enable support for Glusterfs filesystem via <pkg>sys-cluster/glusterfs</pkg></flag>
 		<flag name="gpg">Use <pkg>app-crypt/gpgme</pkg> for AD DC</flag>
 		<flag name="json">Enable json audit support through <pkg>dev-libs/jansson</pkg></flag>
 		<flag name="iprint">Enabling iPrint technology by Novell</flag>
+		<flag name="ntvfs">Enable support for NTVFS fileserver</flag>
 		<flag name="profiling-data">Enables support for collecting profiling data</flag>
 		<flag name="quota">Enables support for user quotas</flag>
+		<flag name="regedit">Enable support for regedit command-line tool</flag>
 		<flag name="snapper">Enable vfs_snapper module (requires <pkg>sys-apps/dbus</pkg>)</flag>
+		<flag name="spotlight">Enable support for spotlight backend</flag>
 		<flag name="system-heimdal">Use <pkg>app-crypt/heimdal</pkg> instead of
 			bundled heimdal.</flag>
 		<flag name="system-mitkrb5">Use <pkg>app-crypt/mit-krb5</pkg> instead of
diff --git a/sdk_container/src/third_party/coreos-overlay/net-fs/samba/samba-4.12.9-r2.ebuild b/sdk_container/src/third_party/coreos-overlay/net-fs/samba/samba-4.12.9-r2.ebuild
index 6e1edaa7f4..c06ae25d4e 100644
--- a/sdk_container/src/third_party/coreos-overlay/net-fs/samba/samba-4.12.9-r2.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/net-fs/samba/samba-4.12.9-r2.ebuild
@@ -23,9 +23,10 @@ LICENSE="GPL-3"
 
 SLOT="0"
 
-IUSE="acl addc addns ads ceph client cluster cups debug dmapi fam gpg iprint
-json ldap pam profiling-data python quota selinux snapper syslog
-system-heimdal +system-mitkrb5 systemd test winbind zeroconf"
+IUSE="acl addc addns ads ceph client cluster cups debug dmapi fam glusterfs
+gpg iprint json ldap ntvfs pam profiling-data python quota +regedit selinux
+snapper spotlight syslog system-heimdal +system-mitkrb5 systemd test winbind
+zeroconf"
 IUSE+=" +minimal"  # Flatcar: Only install libraries, not executables.
 
 MULTILIB_WRAPPED_HEADERS=(
@@ -79,9 +80,7 @@ CDEPEND="
 "
 DEPEND="${CDEPEND}
 	${PYTHON_DEPS}
-	app-text/docbook-xsl-stylesheets
 	dev-lang/perl:=
-	dev-libs/libxslt
 	>=dev-util/cmocka-1.1.3[${MULTILIB_USEDEP}]
 	net-libs/libtirpc[${MULTILIB_USEDEP}]
 	virtual/pkgconfig
@@ -89,6 +88,10 @@ DEPEND="${CDEPEND}
 		net-libs/rpcsvc-proto
 		<sys-libs/glibc-2.26[rpc(+)]
 	)
+	spotlight? (
+		app-misc/tracker
+		dev-libs/glib
+	)
 	test? (
 		!system-mitkrb5? (
 			>=sys-libs/nss_wrapper-1.1.3
@@ -103,12 +106,19 @@ RDEPEND="${CDEPEND}
 	selinux? ( sec-policy/selinux-samba )
 "
 
+BDEPEND="
+	app-text/docbook-xsl-stylesheets
+	dev-libs/libxslt
+"
+
 REQUIRED_USE="
 	addc? ( python json winbind )
 	addns? ( python )
 	ads? ( acl ldap winbind )
 	cluster? ( ads )
 	gpg? ( addc )
+	ntvfs? ( addc )
+	spotlight? ( json )
 	test? ( python )
 	?? ( system-heimdal system-mitkrb5 )
 	${PYTHON_REQUIRED_USE}
@@ -201,13 +211,17 @@ multilib_src_configure() {
 		$(multilib_native_use_enable cups)
 		$(multilib_native_use_with dmapi)
 		$(multilib_native_use_with fam)
+		$(multilib_native_use_enable glusterfs)
 		$(multilib_native_use_with gpg gpgme)
 		$(multilib_native_use_with json)
 		$(multilib_native_use_enable iprint)
+		$(multilib_native_use_with ntvfs ntvfs-fileserver)
 		$(multilib_native_use_with pam)
 		$(multilib_native_usex pam "--with-pammodulesdir=${EPREFIX}/$(get_libdir)/security" '')
 		$(multilib_native_use_with quota quotas)
+		$(multilib_native_use_with regedit regedit)
 		$(multilib_native_use_enable snapper)
+		$(multilib_native_use_enable spotlight)
 		$(multilib_native_use_with syslog)
 		$(multilib_native_use_with systemd)
 		--systemd-install-services