Adding upstream version 1:2.6.4.upstream/1%2.6.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

31 files changed, 2377 insertions, 0 deletions

diff --git a/systemd/60-nfs.rules b/systemd/60-nfs.rules
new file mode 100644
index 0000000..188423c
--- /dev/null
+++ b/systemd/60-nfs.rules
@@ -0,0 +1,21 @@
+# Ensure all NFS systctl settings get applied when modules load
+
+# sunrpc module supports "sunrpc.*" sysctls
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="sunrpc", \
+  RUN+="/sbin/sysctl -q --pattern ^sunrpc --system"
+
+# rpcrdma module supports sunrpc.svc_rdma.*
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="rpcrdma", \
+  RUN+="/sbin/sysctl -q --pattern ^sunrpc.svc_rdma --system"
+
+# lockd module supports "fs.nfs.nlm*" and "fs.nfs.nsm*" sysctls
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="lockd", \
+  RUN+="/sbin/sysctl -q --pattern ^fs.nfs.n[sl]m --system"
+
+# nfsv4 module supports "fs.nfs.*" sysctls (nfs_callback_tcpport and idmap_cache_timeout)
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="nfsv4", \
+  RUN+="/sbin/sysctl -q --pattern ^fs.nfs.(nfs_callback_tcpport|idmap_cache_timeout) --system"
+
+# nfs module supports "fs.nfs.*" sysctls
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="nfs", \
+  RUN+="/sbin/sysctl -q --pattern ^fs.nfs --system"
diff --git a/systemd/Makefile.am b/systemd/Makefile.am
new file mode 100644
index 0000000..b448322
--- /dev/null
+++ b/systemd/Makefile.am
@@ -0,0 +1,88 @@
+## Process this file with automake to produce Makefile.in
+
+MAINTAINERCLEANFILES = Makefile.in
+
+udev_rulesdir = /usr/lib/udev/rules.d/
+udev_files = 60-nfs.rules
+
+unit_files =  \
+    nfs-client.target \
+    rpc_pipefs.target \
+    \
+    nfs-mountd.service \
+    nfs-server.service \
+    nfs-utils.service \
+    rpc-statd-notify.service \
+    rpc-statd.service \
+    \
+    proc-fs-nfsd.mount \
+    fsidd.service
+
+rpc_pipefs_mount_file = \
+    var-lib-nfs-rpc_pipefs.mount
+
+if CONFIG_NFSV4
+unit_files += \
+    nfs-idmapd.service
+endif
+
+if CONFIG_NFSV4SERVER
+unit_files += \
+    nfsv4-exportd.service \
+    nfsv4-server.service
+endif
+
+if CONFIG_NFSV41
+unit_files += \
+    nfs-blkmap.service
+endif
+
+if CONFIG_GSS
+unit_files += \
+    auth-rpcgss-module.service \
+    rpc-gssd.service
+
+if CONFIG_SVCGSS
+unit_files += \
+    rpc-svcgssd.service
+endif
+endif
+
+if CONFIG_NFSDCLD
+unit_files += \
+    nfsdcld.service
+endif
+
+man5_MANS	= nfs.conf.man
+man7_MANS	= nfs.systemd.man
+EXTRA_DIST = $(unit_files) $(udev_files) $(man5_MANS) $(man7_MANS)
+
+generator_dir = $(unitdir)/../system-generators
+
+EXTRA_PROGRAMS	= nfs-server-generator rpc-pipefs-generator
+genexecdir = $(generator_dir)
+
+COMMON_SRCS = systemd.c systemd.h
+
+nfs_server_generator_SOURCES = $(COMMON_SRCS) nfs-server-generator.c
+
+rpc_pipefs_generator_SOURCES = $(COMMON_SRCS) rpc-pipefs-generator.c
+
+nfs_server_generator_LDADD = ../support/export/libexport.a \
+			     ../support/nfs/libnfs.la \
+			     ../support/misc/libmisc.a \
+			     ../support/reexport/libreexport.a \
+			     $(LIBPTHREAD)
+
+
+rpc_pipefs_generator_LDADD = ../support/nfs/libnfs.la
+
+if INSTALL_SYSTEMD
+genexec_PROGRAMS = nfs-server-generator rpc-pipefs-generator
+install-data-hook: $(unit_files) $(udev_files)
+	mkdir -p $(DESTDIR)/$(unitdir)
+	cp $(unit_files) $(DESTDIR)/$(unitdir)
+	cp $(rpc_pipefs_mount_file) $(DESTDIR)/$(unitdir)/$(rpc_pipefsmount)
+	mkdir -p $(DESTDIR)/$(udev_rulesdir)
+	cp $(udev_files) $(DESTDIR)/$(udev_rulesdir)
+endif
diff --git a/systemd/Makefile.in b/systemd/Makefile.in
new file mode 100644
index 0000000..108deae
--- /dev/null
+++ b/systemd/Makefile.in
@@ -0,0 +1,937 @@
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+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/nfs-server-generator.Po
+	-rm -f ./$(DEPDIR)/rpc-pipefs-generator.Po
+	-rm -f ./$(DEPDIR)/systemd.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-genexecPROGRAMS uninstall-man
+
+uninstall-man: uninstall-man5 uninstall-man7
+
+.MAKE: install-am install-data-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-genexecPROGRAMS clean-libtool \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-data-hook install-dvi \
+	install-dvi-am install-exec install-exec-am \
+	install-genexecPROGRAMS install-html install-html-am \
+	install-info install-info-am install-man install-man5 \
+	install-man7 install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-genexecPROGRAMS uninstall-man \
+	uninstall-man5 uninstall-man7
+
+.PRECIOUS: Makefile
+
+@INSTALL_SYSTEMD_TRUE@install-data-hook: $(unit_files) $(udev_files)
+@INSTALL_SYSTEMD_TRUE@	mkdir -p $(DESTDIR)/$(unitdir)
+@INSTALL_SYSTEMD_TRUE@	cp $(unit_files) $(DESTDIR)/$(unitdir)
+@INSTALL_SYSTEMD_TRUE@	cp $(rpc_pipefs_mount_file) $(DESTDIR)/$(unitdir)/$(rpc_pipefsmount)
+@INSTALL_SYSTEMD_TRUE@	mkdir -p $(DESTDIR)/$(udev_rulesdir)
+@INSTALL_SYSTEMD_TRUE@	cp $(udev_files) $(DESTDIR)/$(udev_rulesdir)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/systemd/README b/systemd/README
new file mode 100644
index 0000000..da23d6f
--- /dev/null
+++ b/systemd/README
@@ -0,0 +1,79 @@
+
+Notes about systemd unit files for nfs-utils.
+
+The unit files provided here should be sufficient for systemd
+to manage all daemons and related services provides by nfs-utils.
+
+They do *not* include any unit files for separate services such as
+rpc.rquotad (in the 'quota' package) or rpcbind.
+
+There are 4 units that can be 'enabled' or 'disabled' by systemctl, or
+by a suitable 'preset' setting:
+
+ nfs-server.service
+    If enabled, nfs service is started together with dependencies
+    such as mountd, statd, rpc.idmapd
+    This is a "service" file rather than a "target" (which is the
+    normal grouping construct) so that
+        systemctl start nfs-server
+    can work (if no type is given, ".service" is assumed).
+
+ nfs-client.target
+    If enabled, daemons needed for an nfs client are enabled.
+    This does *not* include rpc.statd.  The rpc-statd.service unit
+    is started by /usr/sbin/start-statd which mount.nfs will run
+    if statd is needed.
+
+ nfs-blkmap.service
+    If enabled, then blkmapd will be run when nfs-client.target is
+    started.
+
+Another special unit is "nfs-utils.service".  This doesn't really do
+anything, but exists so that other units may declare themselves as
+"PartOf" nfs-utils.service.
+The effect of this is that
+     systemctl restart nfs-utils
+will restart all nfs-utils daemons as maybe be required during
+software update.  It isn't possible to make
+     systemctl try-restart nfs-server nfs-client.target
+do this as some daemon are included in both, and rpc.statd would
+not be restarted if nfs-server were not active (as nfs-client doesn't
+Want it - it is started by mount.nfs running start-statd).
+
+It is possible that we should have an nfs-statd.target which can
+selectively enable statd being stared by -server and sm-notify
+being started by -server or -client.  That way it could be disabled
+completely on V4-only configurations.  Currently statd is always
+started on the server and sm-notify is always run if server or
+client is enabled.
+
+Stopping nfs-server will also stop rpc.mountd, and rpc.svcgssd.
+It cannot stop rpc.statd or rpc.gssd as they may be in use by the
+client and systemd cannot specify is two-pronged reverse dependency.
+(i.e. stop this unit if none of these units are running)
+
+Distro specific configuration can be included in /etc/nfs.conf, or
+by providing drop-in files which replace the ExecStart line for a given
+service, and possibly add an EnvironmentFile line.
+
+For example, if systemd/system/nfs-mountd.service.d/local.conf
+contained
+  [Service]
+  EnvironmentFile=/etc/sysconfig/nfs
+  ExecStart=
+  ExecStart=/usr/sbin/rpc.mountd $RPCMOUNTDOPTS
+
+then the setting of RPCMOUNTDOPTS in /etc/sysconfig/nfs would be
+passed to rpc.mountd.
+
+rpc.gssd and rpc.svcgssd are assumed to be needed if /etc/krb5.keytab
+is present.
+If a site needs this file present but does not want the gss daemons
+running, it should create
+   /etc/systemd/system/rpc-gssd.service.d/01-disable.conf
+and
+   /etc/systemd/system/rpc-svcgssd.service.d/01-disable.conf
+
+containing
+   [Unit]
+   ConditionNull=false
diff --git a/systemd/auth-rpcgss-module.service b/systemd/auth-rpcgss-module.service
new file mode 100644
index 0000000..4a69a7b
--- /dev/null
+++ b/systemd/auth-rpcgss-module.service
@@ -0,0 +1,18 @@
+# We want to start gss-proxy on kernels that support it and rpc.svcgssd
+# on those that don't.  Those services check for support by checking
+# for existence of the path /proc/net/rpc/use-gss-proxy.  Before they
+# can perform that check, they need this module loaded.  (Unless
+# rpcsec_gss support is built directly into the kernel, in which case this
+# unit will fail.  But that's OK.)
+[Unit]
+Description=Kernel Module supporting RPCSEC_GSS
+DefaultDependencies=no
+Before=gssproxy.service rpc-svcgssd.service rpc-gssd.service
+Wants=gssproxy.service rpc-gssd.service
+ConditionPathExists=/etc/krb5.keytab
+ConditionVirtualization=!container
+
+[Service]
+Type=oneshot
+ExecStart=/sbin/modprobe -q auth_rpcgss
+RemainAfterExit=yes
diff --git a/systemd/fsidd.service b/systemd/fsidd.service
new file mode 100644
index 0000000..9cb480e
--- /dev/null
+++ b/systemd/fsidd.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=NFS FSID Daemon
+After=local-fs.target
+Before=nfs-mountd.service nfs-server.service
+
+[Service]
+ExecStart=/usr/sbin/fsidd
+
+[Install]
+RequiredBy=nfs-mountd.service nfs-server.service
diff --git a/systemd/nfs-blkmap.service b/systemd/nfs-blkmap.service
new file mode 100644
index 0000000..6aa45ba
--- /dev/null
+++ b/systemd/nfs-blkmap.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=pNFS block layout mapping daemon
+DefaultDependencies=no
+Conflicts=umount.target
+After=rpc_pipefs.target
+Requires=rpc_pipefs.target
+
+PartOf=nfs-utils.service
+
+[Service]
+Type=forking
+PIDFile=/run/blkmapd.pid
+ExecStart=/usr/sbin/blkmapd
+
+[Install]
+WantedBy=nfs-client.target
diff --git a/systemd/nfs-client.target b/systemd/nfs-client.target
new file mode 100644
index 0000000..8a8300a
--- /dev/null
+++ b/systemd/nfs-client.target
@@ -0,0 +1,16 @@
+[Unit]
+Description=NFS client services
+Before=remote-fs-pre.target
+Wants=remote-fs-pre.target
+
+# Note: we don't "Wants=rpc-statd.service" as "mount.nfs" will arrange to
+# start that on demand if needed.
+Wants=rpc-statd-notify.service
+
+# GSS services dependencies and ordering
+Wants=auth-rpcgss-module.service
+After=rpc-gssd.service rpc-svcgssd.service gssproxy.service
+
+[Install]
+WantedBy=multi-user.target
+WantedBy=remote-fs.target
diff --git a/systemd/nfs-idmapd.service b/systemd/nfs-idmapd.service
new file mode 100644
index 0000000..198ca87
--- /dev/null
+++ b/systemd/nfs-idmapd.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=NFSv4 ID-name mapping service
+DefaultDependencies=no
+Requires=rpc_pipefs.target
+After=rpc_pipefs.target local-fs.target network-online.target
+Wants=network-online.target
+
+BindsTo=nfs-server.service
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/rpc.idmapd
diff --git a/systemd/nfs-mountd.service b/systemd/nfs-mountd.service
new file mode 100644
index 0000000..e8ece53
--- /dev/null
+++ b/systemd/nfs-mountd.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=NFS Mount Daemon
+DefaultDependencies=no
+Requires=proc-fs-nfsd.mount
+Wants=network-online.target
+After=proc-fs-nfsd.mount
+After=network-online.target local-fs.target
+After=rpcbind.socket
+BindsTo=nfs-server.service
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/rpc.mountd
diff --git a/systemd/nfs-server-generator.c b/systemd/nfs-server-generator.c
new file mode 100644
index 0000000..eec98fd
--- /dev/null
+++ b/systemd/nfs-server-generator.c
@@ -0,0 +1,158 @@
+/*
+ * nfs-server-generator:
+ *   systemd generator to create ordering dependencies between
+ *   nfs-server and various filesystem mounts
+ *
+ * 1/ nfs-server should start Before any 'nfs' mountpoints are
+ *    mounted, in case they are loop-back mounts.  This ordering is particularly
+ *    important for the shutdown side, so the nfs-server is stopped
+ *    after the filesystems are unmounted.
+ * 2/ nfs-server should start After all exported filesystems are mounted
+ *    so there is no risk of exporting the underlying directory.
+ *    This is particularly important for _net mounts which
+ *    are not caught by "local-fs.target".
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <mntent.h>
+#include <alloca.h>
+
+#include "misc.h"
+#include "nfslib.h"
+#include "exportfs.h"
+#include "systemd.h"
+
+/* A simple "set of strings" to remove duplicates
+ * found in /etc/exports
+ */
+struct list {
+	struct list *next;
+	char *name;
+};
+static int is_unique(struct list **lp, char *path)
+{
+	struct list *l = *lp;
+
+	while (l) {
+		if (strcmp(l->name, path) == 0)
+			return 0;
+		l = l->next;
+	}
+	l = malloc(sizeof(*l));
+	if (l == NULL)
+		return 0;
+	l->name = path;
+	l->next = *lp;
+	*lp = l;
+	return 1;
+}
+
+static int has_noauto_flag(char *path)
+{
+	FILE		*fstab;
+	struct mntent	*mnt;
+
+	fstab = setmntent("/etc/fstab", "r");
+	if (!fstab)
+		return 0;
+
+	while ((mnt = getmntent(fstab)) != NULL) {
+		int l = strlen(mnt->mnt_dir);
+		if (strncmp(mnt->mnt_dir, path, l) != 0)
+			continue;
+		if (path[l] && path[l] != '/')
+			continue;
+		if (hasmntopt(mnt, "noauto"))
+			break;
+	}
+	fclose(fstab);
+	return mnt != NULL;
+}
+
+int main(int argc, char *argv[])
+{
+	char		*path, *spath;
+	char		dirbase[] = "/nfs-server.service.d";
+	char		filebase[] = "/order-with-mounts.conf";
+	nfs_export	*exp;
+	int		i;
+	struct list	*list = NULL;
+	FILE		*f, *fstab;
+	struct mntent	*mnt;
+
+	/* Avoid using any external services */
+	xlog_syslog(0);
+
+	if (argc != 4 || argv[1][0] != '/') {
+		fprintf(stderr, "nfs-server-generator: create systemd dependencies for nfs-server\n");
+		fprintf(stderr, "Usage: normal-dir early-dir late-dir\n");
+		exit(1);
+	}
+
+	path = alloca(strlen(argv[1]) + sizeof(dirbase) + sizeof(filebase));
+	if (!path)
+		exit(2);
+	if (export_read(_PATH_EXPORTS, 1) +
+	    export_d_read(_PATH_EXPORTS_D, 1) == 0)
+		/* Nothing is exported, so nothing to do */
+		exit(0);
+
+	strcat(strcpy(path, argv[1]), dirbase);
+	mkdir(path, 0755);
+	strcat(path, filebase);
+	f = fopen(path, "w");
+	if (!f)
+		exit(1);
+	fprintf(f, "# Automatically generated by nfs-server-generator\n\n[Unit]\n");
+
+	for (i = 0; i < MCL_MAXTYPES; i++) {
+		for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
+			if (!is_unique(&list, exp->m_export.e_path))
+				continue;
+			if (exp->m_export.e_mountpoint)
+				continue;
+			if (has_noauto_flag(exp->m_export.e_path))
+				continue;
+			if (strchr(exp->m_export.e_path, ' '))
+				fprintf(f, "RequiresMountsFor=\"%s\"\n",
+					exp->m_export.e_path);
+			else
+				fprintf(f, "RequiresMountsFor=%s\n",
+					exp->m_export.e_path);
+		}
+	}
+
+	fstab = setmntent("/etc/fstab", "r");
+	if (!fstab)
+		exit(1);
+
+	while ((mnt = getmntent(fstab)) != NULL) {
+		if (strcmp(mnt->mnt_type, "nfs") != 0 &&
+		    strcmp(mnt->mnt_type, "nfs4") != 0)
+			continue;
+
+		spath = systemd_escape(mnt->mnt_dir, ".mount");
+		if (!spath) {
+			fprintf(stderr, 
+				"nfs-server-generator: convert path failed: %s\n",
+				mnt->mnt_dir);
+			continue;
+		}
+		fprintf(f, "Before=%s\n", spath);
+	}
+
+	fclose(fstab);
+	fclose(f);
+
+	exit(0);
+}
diff --git a/systemd/nfs-server.service b/systemd/nfs-server.service
new file mode 100644
index 0000000..2cdd786
--- /dev/null
+++ b/systemd/nfs-server.service
@@ -0,0 +1,33 @@
+[Unit]
+Description=NFS server and services
+DefaultDependencies=no
+Requires=network.target proc-fs-nfsd.mount
+Requires=nfs-mountd.service
+Wants=rpcbind.socket network-online.target
+Wants=rpc-statd.service nfs-idmapd.service
+Wants=rpc-statd-notify.service
+Wants=nfsdcld.service
+
+After=network-online.target local-fs.target
+After=proc-fs-nfsd.mount rpcbind.socket nfs-mountd.service
+After=nfs-idmapd.service rpc-statd.service
+After=nfsdcld.service
+Before=rpc-statd-notify.service
+
+# GSS services dependencies and ordering
+Wants=auth-rpcgss-module.service rpc-svcgssd.service
+After=rpc-gssd.service gssproxy.service rpc-svcgssd.service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStartPre=-/usr/sbin/exportfs -r
+ExecStart=/usr/sbin/rpc.nfsd
+ExecStop=/usr/sbin/rpc.nfsd 0
+ExecStopPost=/usr/sbin/exportfs -au
+ExecStopPost=/usr/sbin/exportfs -f
+
+ExecReload=-/usr/sbin/exportfs -r
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/nfs-utils.service b/systemd/nfs-utils.service
new file mode 100644
index 0000000..54b6314
--- /dev/null
+++ b/systemd/nfs-utils.service
@@ -0,0 +1,17 @@
+[Unit]
+Description=NFS server and client services
+# This service should never be stopped, only restarted.
+# When it is re-started, all other services which declare
+# themselves to be "PartOf" this service will also be
+# restarted. Thus
+#   systemctl restart nfs-utils
+# will restart all daemons which are part of nfs-utils
+# and which are running.  This is useful after a software
+# update.
+
+# This is a "service" rather than "target" so that we
+# don't need to say "systemctl restart nfs-utils.target".
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/bin/true
diff --git a/systemd/nfs-v4client.target b/systemd/nfs-v4client.target
new file mode 100644
index 0000000..3d1064e
--- /dev/null
+++ b/systemd/nfs-v4client.target
@@ -0,0 +1,12 @@
+[Unit]
+Description=NFS client services
+Before=remote-fs-pre.target
+Wants=remote-fs-pre.target
+
+# GSS services dependencies and ordering
+Wants=auth-rpcgss-module.service
+After=rpc-gssd.service rpc-svcgssd.service gssproxy.service
+
+[Install]
+WantedBy=multi-user.target
+WantedBy=remote-fs.target
diff --git a/systemd/nfs.conf.man b/systemd/nfs.conf.man
new file mode 100644
index 0000000..866939a
--- /dev/null
+++ b/systemd/nfs.conf.man
@@ -0,0 +1,330 @@
+.TH NFS.CONF 5
+.SH NAME
+nfs.conf \- general configuration for NFS daemons and tools
+.SH SYNOPSIS
+.I /etc/nfs.conf
+.SH DESCRIPTION
+.PP
+This file contains site-specific configuration for various NFS daemons
+and other processes.  Most configuration can also be passed to
+processes via command line arguments, but it can be more convenient to
+have a central file.  In particular, this encourages consistent
+configuration across different processes.
+.PP
+When command line options are provided, they override values set in
+this file.  When this file does not specify a particular parameter,
+and no command line option is provided, each tool provides its own
+default values.
+.PP
+The file format supports multiple sections, each of which can contain
+multiple value assignments.  A section is introduced by a line
+containing the section name enclosed in square brackets, so
+.RS
+.B [global]
+.RE
+would introduce a section called
+.BR global .
+A value assignment is a single line that has the name of the value, an
+equals sign, and a setting for the value, so
+.RS
+.B threads = 4
+.RE
+would set the value named
+.B threads
+in the current section to
+.BR 4 .
+Leading and trailing spaces and tab
+are ignored, as are spaces and tabs surrounding the equals sign.
+Single and double quotes surrounding the assigned value are also
+removed.  If the resulting string is empty, the whole assignment
+is ignored.
+.PP
+Any line starting with
+.RB \*(lq # \*(rq
+or
+.RB \*(lq ; \*(rq
+is ignored, as is any blank line.
+.PP
+If the assigned value started with a
+.RB \*(lq $ \*(rq
+then the remainder is treated as a name and looked for in the section
+.B [environment]
+or in the processes environment (see
+.BR environ (7)).
+The value found is used for this value.
+.PP
+The value name
+.B include
+is special.  If a section contains
+.RS
+.B include = /some/file/name
+.RE
+then the named file will be read, and any value assignments found
+there-in will be added to the current section.  If the file contains
+section headers, then new sections will be created just as if the
+included file appeared in place of the
+.B include
+line.
+If the file name starts with a hyphen then that is stripped off
+before the file is opened, and if file doesn't exist no warning is
+given.  Normally a non-existent include file generates a warning.
+.PP
+Lookup of section and value names is case-insensitive.
+
+Where a Boolean value is expected, any of
+.BR true ,
+.BR t ,
+.BR yes ,
+.BR y ,
+.BR on ", or"
+.B 1
+can be used for "true", while
+.BR false ,
+.BR f ,
+.BR no ,
+.BR n ,
+.BR off ", or"
+.B 0
+can be used for "false".  Comparisons are case-insensitive.
+
+.SH SECTIONS
+The following sections are known to various programs, and can contain
+the given named values.  Most sections can also contain a
+.B debug
+value, which can be one or more from the list
+.BR general ,
+.BR call ,
+.BR auth ,
+.BR parse ,
+.BR all .
+When a list is given, the members should be comma-separated.
+The values
+.BR 0
+and
+.BR 1
+are also accepted, with '0' making no changes to the debug level, and '1' equivalent to specifying 'all'.
+
+.TP
+.B general
+Recognized values:
+.BR pipefs-directory .
+
+See
+.BR blkmapd (8),
+.BR rpc.idmapd (8),
+and
+.BR rpc.gssd (8)
+for details.
+
+.TP
+.B exports
+Recognized values:
+.BR rootdir .
+
+Setting
+.B rootdir
+to a valid path causes the nfs server to act as if the
+supplied path is being prefixed to all the exported entries. For
+instance, if
+.BR rootdir=/my/root ,
+and there is an entry in /etc/exports for
+.BR /filesystem ,
+then the client will be able to mount the path as
+.BR /filesystem ,
+but on the server, this will resolve to the path
+.BR /my/root/filesystem .
+
+.TP
+.B exportd
+Recognized values:
+.BR manage-gids ,
+.BR threads ,
+.BR cache-use-ipaddr ,
+.BR ttl ,
+.BR state-directory-path
+
+See
+.BR exportd (8)
+for details.
+
+Note that setting 
+.B "\[dq]debug = auth\[dq]"
+for
+.B exportd
+is equivalent to providing the
+.B \-\-log\-auth
+option.
+
+.TP
+.B nfsdcltrack
+Recognized values:
+.BR storagedir .
+
+The
+.B nfsdcltrack
+program is run directly by the Linux kernel and there is no
+opportunity to provide command line arguments, so the configuration
+file is the only way to configure this program.  See
+.BR nfsdcltrack (8)
+for details.
+
+.TP
+.B nfsd
+Recognized values:
+.BR threads ,
+.BR host ,
+.BR scope ,
+.BR port ,
+.BR grace-time ,
+.BR lease-time ,
+.BR udp ,
+.BR tcp ,
+.BR vers3 ,
+.BR vers4 ,
+.BR vers4.0 ,
+.BR vers4.1 ,
+.BR vers4.2 ,
+.BR rdma ,
+
+Version and protocol values are Boolean values as described above,
+and are also used by
+.BR rpc.mountd .
+Threads and the two times are integers.
+.B port
+and
+.B rdma
+are service names or numbers.  See
+.BR rpc.nfsd (8)
+for details.
+
+.TP
+.B mountd
+Recognized values:
+.BR manage-gids ,
+.BR descriptors ,
+.BR port ,
+.BR threads ,
+.BR reverse-lookup ,
+.BR cache-use-ipaddr ,
+.BR ttl ,
+.BR state-directory-path ,
+.BR ha-callout .
+
+These, together with the protocol and version values in the
+.B [nfsd]
+section, are used to configure mountd.  See
+.BR rpc.mountd (8)
+for details.
+
+Note that setting 
+.B "\[dq]debug = auth\[dq]"
+for
+.B mountd
+is equivalent to providing the
+.B \-\-log\-auth
+option.
+
+The
+.B state-directory-path
+value in the
+.B [mountd]
+section is also used by
+.BR exportfs (8).
+
+.TP
+.B statd
+Recognized values:
+.BR port ,
+.BR outgoing-port ,
+.BR name ,
+.BR state-directory-path ,
+.BR ha-callout .
+
+See
+.BR rpc.statd (8)
+for details.
+
+.TP
+.B lockd
+Recognized values:
+.B port
+and
+.BR udp-port .
+
+See
+.BR rpc.statd (8)
+for details.
+
+.TP
+.B sm-notify
+Recognized values:
+.BR retry-time ,
+.BR outgoing-port ", and"
+.BR outgoing-addr .
+
+See
+.BR sm-notify (8)
+for details.
+
+.TP
+.B gssd
+Recognized values:
+.BR verbosity ,
+.BR rpc-verbosity ,
+.BR use-memcache ,
+.BR use-machine-creds ,
+.BR use-gss-proxy ,
+.BR avoid-dns ,
+.BR limit-to-legacy-enctypes ,
+.BR context-timeout ,
+.BR rpc-timeout ,
+.BR keytab-file ,
+.BR cred-cache-directory ,
+.BR preferred-realm ,
+.BR set-home .
+
+See
+.BR rpc.gssd (8)
+for details.
+
+.TP
+.B svcgssd
+Recognized values:
+.BR principal .
+
+See
+.BR rpc.svcgssd (8)
+for details.
+
+.TP
+.B exportfs
+Only
+.B debug=
+is recognized.
+
+.TP
+.B nfsrahead
+Recognized values:
+.BR nfs ,
+.BR nfsv4 ,
+.BR default .
+
+See
+.BR nfsrahead (5)
+for deatils.
+
+.SH FILES
+.TP 10n
+.I /etc/nfs.conf
+Default NFS client configuration file
+.TP 10n
+.I /etc/nfs.conf.d
+When this directory exists and files ending 
+with ".conf" exist, those files will be
+used to set configuration variables. These
+files will override variables set in /etc/nfs.conf
+.SH SEE ALSO
+.BR nfsdcltrack (8),
+.BR rpc.nfsd (8),
+.BR rpc.mountd (8),
+.BR nfsmount.conf (5).
diff --git a/systemd/nfs.systemd.man b/systemd/nfs.systemd.man
new file mode 100644
index 0000000..46b476a
--- /dev/null
+++ b/systemd/nfs.systemd.man
@@ -0,0 +1,177 @@
+.TH NFS.SYSTEMD 7
+.SH NAME
+nfs.systemd \- managing NFS services through systemd.
+.SH SYNOPSIS
+nfs-utils.service
+.br
+nfs-server.service
+.br
+nfs-client.target
+.br
+.I etc
+.SH DESCRIPTION
+The
+.I nfs-utils
+package provides a suite of
+.I systemd
+unit files which allow the various services to be started and
+managed.  These unit files ensure that the services are started in the
+correct order, and the prerequisites are active before dependant
+services start.  As there are quite  few unit files, it is not
+immediately obvious how best to achieve certain results.  The
+following subsections attempt to cover the issues that are most likely
+to come up.
+.SS Configuration
+The standard systemd unit files do not provide any easy way to pass
+any command line arguments to daemons so as to configure their
+behavior.  In many case such configuration can be performed by making
+changes to
+.I /etc/nfs.conf
+or other configuration files.  When that is not convenient, a
+distribution might provide systemd "drop-in" files which replace the
+.B ExecStart=
+setting to start the program with different arguments.  For example a
+drop-in file
+.B systemd/system/nfs-mountd.service.d/local.conf
+containing
+.RS
+.nf
+[Service]
+EnvironmentFile=/etc/sysconfig/nfs
+ExecStart=
+ExecStart= /usr/sbin/rpc.mountd $RPCMOUNTDOPTS
+.fi
+.RE
+would cause the
+.B nfs-mountd.service
+unit to run the
+.I rpc.mountd
+program using, for arguments, the value given for
+.B RPCMOUNTDOPTS
+in
+.IR /etc/sysconfig/nfs .
+This allows for seamless integration with existing configuration
+tools.
+.SS Enabling unit files
+There are three unit files which are designed to be manually enabled.
+All others are automatically run as required.  The three are:
+.TP
+.B nfs-client.target
+This should be enabled on any host which ever serves as an NFS client.
+There is little cost in transparently enabling it whenever NFS client
+software is installed.
+.TP
+.B nfs-server.service
+This must be enabled to provide NFS service to clients.  It starts and
+configures the required daemons in the required order.
+.TP
+.B nfs-blkmap.service
+The
+.B blkmapd
+daemon is only required on NFS clients which are using pNFS (parallel
+NFS), and particularly using the
+.B blocklayout
+layout protocol.  If you might use this particular extension to NFS,
+the
+.B nfs-blkmap.service
+unit should be enabled.
+.PP
+Several other units which might be considered to be optional, such as
+.I rpc-gssd.service
+are careful to only start if the required configuration file exists.
+.I rpc-gssd.service
+will not start if the
+.I krb5.keytab
+file does not exist (typically in
+.IR /etc ).
+.SS Restarting NFS services
+Most NFS daemons can be restarted at any time.  They will reload any
+state that they need, and continue servicing requests.  This is rarely
+necessary though.
+.PP
+When configuration changesare make, it can be hard to know exactly
+which services need to be restarted to ensure that the configuration
+takes effect.  The simplest approach, which is often the best, is to
+restart everything.  To help with this, the
+.B nfs-utils.service
+unit is provided.  It declares appropriate dependencies with other
+unit files so that
+.RS
+.B systemctl restart nfs-utils
+.RE
+will restart all NFS daemons that are running.  This will cause all
+configuration changes to take effect
+.I except
+for changes to mount options lists in
+.I /etc/fstab
+or
+.IR /etc/nfsmount.conf .
+Mount options can only be changed by unmounting and remounting
+filesystem.  This can be a disruptive operation so it should only be
+done when the value justifies the cost.  The command
+.RS
+.B umount -a -t nfs; mount -a -t nfs
+.RE
+should unmount and remount all NFS filesystems.
+.SS Masking unwanted services
+Rarely there may be a desire to prohibit some services from running
+even though there are normally part of a working NFS system.  This may
+be needed to reduce system load to an absolute minimum, or to reduce
+attack surface by not running daemons that are not absolutely
+required.
+.PP
+Three particular services which this can apply to are
+.IR rpcbind ,
+.IR idmapd ,
+and
+.IR rpc-gssd .
+.I rpcbind
+is not part of the
+.I nfs-utils
+package, but it used by several NFS services.  However it is
+.B not
+needed when only NFSv4 is in use.  If a site will never use NFSv3 (or
+NFSv2) and does not want
+.I rpcbind
+to be running, the correct approach is to run
+.RS
+.B systemctl mask rpcbind
+.RE
+This will disable
+.IR rpcbind ,
+and the various NFS services which depend on it (and are only needed
+for NFSv3) will refuse to start, without interfering with the
+operation of NFSv4 services.  In particular,
+.I rpc.statd
+will not run when
+.I rpcbind
+is masked.
+.PP
+.I idmapd
+is only needed for NFSv4, and even then is not needed when the client
+and server agree to use user-ids rather than user-names to identify the
+owners of files.  If
+.I idmapd
+is not needed and not wanted, it can be masked with
+.RS
+.B systemctl mask idmapd
+.RE
+.I rpc-gssd
+is assumed to be needed if the
+.I krb5.keytab
+file is present.  If a site needs this file present but does not want
+.I rpc-gssd
+running, it can be masked with
+.RS
+.B systemctl mask rpc-gssd
+.RE
+.SH FILES
+/etc/nfs.conf
+.br
+/etc/nfsmount.conf
+.br
+/etc/idmapd.conf
+.SH SEE ALSO
+.BR systemd.unit (5),
+.BR nfs.conf (5),
+.BR nfsmount.conf (5).
diff --git a/systemd/nfsdcld.service b/systemd/nfsdcld.service
new file mode 100644
index 0000000..a32d243
--- /dev/null
+++ b/systemd/nfsdcld.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=NFSv4 Client Tracking Daemon
+DefaultDependencies=no
+Conflicts=umount.target
+Requires=rpc_pipefs.target proc-fs-nfsd.mount
+After=rpc_pipefs.target proc-fs-nfsd.mount
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/nfsdcld
diff --git a/systemd/nfsv4-exportd.service b/systemd/nfsv4-exportd.service
new file mode 100644
index 0000000..11d663a
--- /dev/null
+++ b/systemd/nfsv4-exportd.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=NFSv4 Mount Daemon
+DefaultDependencies=no
+Requires=proc-fs-nfsd.mount
+Wants=network-online.target
+After=proc-fs-nfsd.mount
+After=network-online.target local-fs.target
+BindsTo=nfsv4-server.service
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/nfsv4.exportd
diff --git a/systemd/nfsv4-server.service b/systemd/nfsv4-server.service
new file mode 100644
index 0000000..6497568
--- /dev/null
+++ b/systemd/nfsv4-server.service
@@ -0,0 +1,31 @@
+[Unit]
+Description=NFSv4 server and services
+DefaultDependencies=no
+Requires=network.target proc-fs-nfsd.mount
+Requires=nfsv4-exportd.service
+Wants=network-online.target
+Wants=nfs-idmapd.service
+Wants=nfsdcld.service
+
+After=network-online.target local-fs.target
+After=proc-fs-nfsd.mount nfsv4-exportd.service
+After=nfs-idmapd.service
+After=nfsdcld.service
+
+# GSS services dependencies and ordering
+Wants=auth-rpcgss-module.service
+After=rpc-gssd.service gssproxy.service rpc-svcgssd.service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStartPre=-/usr/sbin/exportfs -r
+ExecStart=/usr/sbin/rpc.nfsd -N 3
+ExecStop=/usr/sbin/rpc.nfsd 0
+ExecStopPost=/usr/sbin/exportfs -au
+ExecStopPost=/usr/sbin/exportfs -f
+
+ExecReload=-/usr/sbin/exportfs -r
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/proc-fs-nfsd.mount b/systemd/proc-fs-nfsd.mount
new file mode 100644
index 0000000..931a5ce
--- /dev/null
+++ b/systemd/proc-fs-nfsd.mount
@@ -0,0 +1,7 @@
+[Unit]
+Description=NFSD configuration filesystem
+
+[Mount]
+What=nfsd
+Where=/proc/fs/nfsd
+Type=nfsd
diff --git a/systemd/rpc-gssd.service.in b/systemd/rpc-gssd.service.in
new file mode 100644
index 0000000..6807db3
--- /dev/null
+++ b/systemd/rpc-gssd.service.in
@@ -0,0 +1,14 @@
+[Unit]
+Description=RPC security service for NFS client and server
+DefaultDependencies=no
+Conflicts=umount.target
+Requires=rpc_pipefs.target
+After=rpc_pipefs.target
+
+ConditionPathExists=@_sysconfdir@/krb5.keytab
+
+PartOf=nfs-utils.service
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/rpc.gssd
diff --git a/systemd/rpc-pipefs-generator.c b/systemd/rpc-pipefs-generator.c
new file mode 100644
index 0000000..3aaeaea
--- /dev/null
+++ b/systemd/rpc-pipefs-generator.c
@@ -0,0 +1,152 @@
+/*
+ * rpc-pipefs-generator:
+ *   systemd generator to create ordering dependencies between
+ *   nfs services and the rpc_pipefs mountpoint
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <mntent.h>
+
+#include "nfslib.h"
+#include "conffile.h"
+#include "systemd.h"
+
+#define RPC_PIPEFS_DEFAULT NFS_STATEDIR "/rpc_pipefs"
+
+static int generate_mount_unit(const char *pipefs_path, const char *pipefs_unit,
+			       const char *dirname)
+{
+	char	*path;
+	FILE	*f;
+	size_t size = (strlen(dirname) + 1 + strlen(pipefs_unit) + 1);
+
+	path = malloc(size);
+	if (!path)
+		return 1;
+	snprintf(path, size, "%s/%s", dirname, pipefs_unit);
+	f = fopen(path, "w");
+	if (!f)
+	{
+		free(path);
+		return 1;
+	}
+
+	fprintf(f, "# Automatically generated by rpc-pipefs-generator\n\n[Unit]\n");
+	fprintf(f, "Description=RPC Pipe File System\n");
+	fprintf(f, "DefaultDependencies=no\n");
+	fprintf(f, "After=systemd-tmpfiles-setup.service\n");
+	fprintf(f, "Conflicts=umount.target\n");
+	fprintf(f, "\n[Mount]\n");
+	fprintf(f, "What=sunrpc\n");
+	fprintf(f, "Where=%s\n", pipefs_path);
+	fprintf(f, "Type=rpc_pipefs\n");
+
+	fclose(f);
+	free(path);
+	return 0;
+}
+
+static
+int generate_target(char *pipefs_path, const char *dirname)
+{
+	char	*path;
+	char	filebase[] = "/rpc_pipefs.target";
+	char	*pipefs_unit;
+	FILE	*f;
+	int 	ret = 0;
+
+	pipefs_unit = systemd_escape(pipefs_path, ".mount");
+	if (!pipefs_unit)
+		return 1;
+
+	ret = generate_mount_unit(pipefs_path, pipefs_unit, dirname);
+	if (ret) {
+		free(pipefs_unit);
+		return ret;
+	}
+
+	path = malloc(strlen(dirname) + 1 + sizeof(filebase));
+	if (!path) {
+		free(pipefs_unit);
+		return 2;
+	}
+	sprintf(path, "%s", dirname);
+	mkdir(path, 0755);
+	strcat(path, filebase);
+	f = fopen(path, "w");
+	if (!f)
+	{
+		free(path);
+		free(pipefs_unit);
+		return 1;
+	}
+
+	fprintf(f, "# Automatically generated by rpc-pipefs-generator\n\n[Unit]\n");
+	fprintf(f, "Requires=%s\n", pipefs_unit);
+	fprintf(f, "After=%s\n", pipefs_unit);
+	fclose(f);
+	free(path);
+	free(pipefs_unit);
+
+	return 0;
+}
+
+static int is_non_pipefs_mountpoint(char *path)
+{
+	FILE		*mtab;
+	struct mntent	*mnt;
+
+	mtab = setmntent("/etc/mtab", "r");
+	if (!mtab)
+		return 0;
+
+	while ((mnt = getmntent(mtab)) != NULL) {
+		if (strlen(mnt->mnt_dir) != strlen(path))
+			continue;
+		if (strncmp(mnt->mnt_dir, path, strlen(mnt->mnt_dir)))
+			continue;
+		if (strncmp(mnt->mnt_type, "rpc_pipefs", strlen(mnt->mnt_type)))
+			break;
+	}
+	fclose(mtab);
+	return mnt != NULL;
+}
+
+int main(int argc, char *argv[])
+{
+	int 	ret;
+	char	*s;
+
+	/* Avoid using any external services */
+	xlog_syslog(0);
+
+	if (argc != 4 || argv[1][0] != '/') {
+		fprintf(stderr, "rpc-pipefs-generator: create systemd dependencies for nfs services\n");
+		fprintf(stderr, "Usage: normal-dir early-dir late-dir\n");
+		exit(1);
+	}
+
+	conf_init_file(NFS_CONFFILE);
+	s = conf_get_str("general", "pipefs-directory");
+	if (!s)
+		exit(0);
+	if (strlen(s) == strlen(RPC_PIPEFS_DEFAULT) &&
+			strcmp(s, RPC_PIPEFS_DEFAULT) == 0)
+		exit(0);
+
+	if (is_non_pipefs_mountpoint(s))
+		exit(1);
+
+	ret = generate_target(s, argv[1]);
+	exit(ret);
+}
diff --git a/systemd/rpc-statd-notify.service b/systemd/rpc-statd-notify.service
new file mode 100644
index 0000000..aad4c0d
--- /dev/null
+++ b/systemd/rpc-statd-notify.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=Notify NFS peers of a restart
+DefaultDependencies=no
+Wants=network-online.target
+After=local-fs.target network-online.target nss-lookup.target
+
+# if we run an nfs server, it needs to be running before we
+# tell clients that it has restarted.
+After=nfs-server.service
+
+PartOf=nfs-utils.service
+
+[Service]
+Type=forking
+ExecStart=-/usr/sbin/sm-notify
+RemainAfterExit=yes
diff --git a/systemd/rpc-statd.service b/systemd/rpc-statd.service
new file mode 100644
index 0000000..392750d
--- /dev/null
+++ b/systemd/rpc-statd.service
@@ -0,0 +1,17 @@
+[Unit]
+Description=NFS status monitor for NFSv2/3 locking.
+DefaultDependencies=no
+Conflicts=umount.target
+Requires=nss-lookup.target rpcbind.socket
+Wants=network-online.target
+Wants=rpc-statd-notify.service
+After=network-online.target nss-lookup.target rpcbind.service
+
+PartOf=nfs-utils.service
+IgnoreOnIsolate=yes
+
+[Service]
+Environment=RPC_STATD_NO_NOTIFY=1
+Type=forking
+PIDFile=/run/rpc.statd.pid
+ExecStart=/usr/sbin/rpc.statd
diff --git a/systemd/rpc-svcgssd.service b/systemd/rpc-svcgssd.service
new file mode 100644
index 0000000..cb2bcd4
--- /dev/null
+++ b/systemd/rpc-svcgssd.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=RPC security service for NFS server
+DefaultDependencies=no
+After=local-fs.target
+PartOf=nfs-server.service
+PartOf=nfs-utils.service
+
+After=gssproxy.service
+ConditionPathExists=|!/run/gssproxy.pid
+ConditionPathExists=|!/proc/net/rpc/use-gss-proxy
+ConditionPathExists=/etc/krb5.keytab
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/rpc.svcgssd
diff --git a/systemd/rpc_pipefs.target b/systemd/rpc_pipefs.target
new file mode 100644
index 0000000..01d4d27
--- /dev/null
+++ b/systemd/rpc_pipefs.target
@@ -0,0 +1,3 @@
+[Unit]
+Requires=var-lib-nfs-rpc_pipefs.mount
+After=var-lib-nfs-rpc_pipefs.mount
diff --git a/systemd/rpc_pipefs.target.in b/systemd/rpc_pipefs.target.in
new file mode 100644
index 0000000..332f62b
--- /dev/null
+++ b/systemd/rpc_pipefs.target.in
@@ -0,0 +1,3 @@
+[Unit]
+Requires=@_rpc_pipefsmount@
+After=@_rpc_pipefsmount@
diff --git a/systemd/systemd.c b/systemd/systemd.c
new file mode 100644
index 0000000..c7bdb4d
--- /dev/null
+++ b/systemd/systemd.c
@@ -0,0 +1,134 @@
+/*
+ * Helper functions for systemd generators in nfs-utils.
+ *
+ * Currently just systemd_escape().
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include "systemd.h"
+
+static const char hex[16] =
+{
+  '0', '1', '2', '3', '4', '5', '6', '7',
+  '8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
+};
+
+/*
+ * determine length of the string that systemd_escape() needs to allocate
+ */
+static int systemd_len(char *path)
+{
+	char *p;
+	int len = 0;
+
+	p = path;
+	while (*p == '/')
+		/* multiple leading "/" are ignored */
+		p++;
+
+	if (!*p)
+		/* root directory "/" becomes is encoded as a single "-" */
+		return 1;
+
+	if (*p == '.')
+		/*
+		 * replace "." with "\x2d" escape sequence if
+		 * it's the first character in escaped path
+		 * */
+		len += 4;
+
+	while (*p) {
+		unsigned char c = *p++;
+
+		if (c == '/') {
+			/* multiple non-trailing slashes become '-' */
+			while (*p == '/')
+				p++;
+			if (*p)
+				len++;
+		} else if (isalnum(c) || c == ':' || c == '.' || c == '_')
+			/* these characters are not replaced */
+			len++;
+		else
+			/* replace with "\x2d" escape sequence */
+			len += 4;
+	}
+
+	return len;
+}
+
+/*
+ * convert c to "\x2d" escape sequence and append to string
+ * at position p, advancing p
+ */
+static char *hexify(unsigned char c, char *p)
+{
+	*p++ = '\\';
+	*p++ = 'x';
+	*p++ = hex[c >> 4];
+	*p++ = hex[c & 0xf];
+	return p;
+}
+
+/*
+ * convert a path to a unit name according to the logic in systemd.unit(5):
+ *
+ *     Basically, given a path, "/" is replaced by "-", and all other
+ *     characters which are not ASCII alphanumerics are replaced by C-style
+ *     "\x2d" escapes (except that "_" is never replaced and "." is only
+ *     replaced when it would be the first character in the escaped path).
+ *     The root directory "/" is encoded as single dash, while otherwise the
+ *     initial and ending "/" are removed from all paths during
+ *     transformation.
+ *
+ * NB: Although the systemd.unit(5) doesn't mention it, the ':' character
+ * is not escaped.
+ */
+char *systemd_escape(char *path, char *suffix)
+{
+	char *result;
+	char *p;
+	int len;
+
+	len = systemd_len(path);
+	result = malloc(len + strlen(suffix) + 1);
+	p = result;
+	while (*path == '/')
+		/* multiple leading "/" are ignored */
+		path++;
+	if (!*path) {
+		/* root directory "/" becomes is encoded as a single "-" */
+		*p++ = '-';
+		goto out;
+	}
+	if (*path == '.')
+		/*
+		 * replace "." with "\x2d" escape sequence if
+		 * it's the first character in escaped path
+		 * */
+		p = hexify(*path++, p);
+
+	while (*path) {
+		unsigned char c = *path++;
+
+		if (c == '/') {
+			/* multiple non-trailing slashes become '-' */
+			while (*path == '/')
+				path++;
+			if (*path)
+				*p++ = '-';
+		} else if (isalnum(c) || c == ':' || c == '.' || c == '_')
+			/* these characters are not replaced */
+			*p++ = c;
+		else
+			/* replace with "\x2d" escape sequence */
+			p = hexify(c, p);
+	}
+
+out:
+	sprintf(p, "%s", suffix);
+	return result;
+}
diff --git a/systemd/systemd.h b/systemd/systemd.h
new file mode 100644
index 0000000..25235ec
--- /dev/null
+++ b/systemd/systemd.h
@@ -0,0 +1,6 @@
+#ifndef SYSTEMD_H
+#define SYSTEMD_H
+
+char *systemd_escape(char *path, char *suffix);
+
+#endif /* SYSTEMD_H */
diff --git a/systemd/var-lib-nfs-rpc_pipefs.mount b/systemd/var-lib-nfs-rpc_pipefs.mount
new file mode 100644
index 0000000..26d1c76
--- /dev/null
+++ b/systemd/var-lib-nfs-rpc_pipefs.mount
@@ -0,0 +1,10 @@
+[Unit]
+Description=RPC Pipe File System
+DefaultDependencies=no
+After=systemd-tmpfiles-setup.service
+Conflicts=umount.target
+
+[Mount]
+What=sunrpc
+Where=/var/lib/nfs/rpc_pipefs
+Type=rpc_pipefs
diff --git a/systemd/var-lib-nfs-rpc_pipefs.mount.in b/systemd/var-lib-nfs-rpc_pipefs.mount.in
new file mode 100644
index 0000000..4c5d6ce
--- /dev/null
+++ b/systemd/var-lib-nfs-rpc_pipefs.mount.in
@@ -0,0 +1,10 @@
+[Unit]
+Description=RPC Pipe File System
+DefaultDependencies=no
+After=systemd-tmpfiles-setup.service
+Conflicts=umount.target
+
+[Mount]
+What=sunrpc
+Where=@_statedir@/rpc_pipefs
+Type=rpc_pipefs