[PATCH] systemd: Relax dependencies of services

[Martin Pitt <martin.pitt@ubuntu.com>]

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Hello all,

I would like to make NFS start earlier in the boot (i. e. before
basic.target), so that you can do things like put /var/ on NFS, and
rcS SysV init scripts which depend on $remote_fs work.

I tested this on both a server and a client.

Thanks for considering!

Martin
-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)

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From e4eba8124c4efbfa172e5bc0aac632452b97e016 Mon Sep 17 00:00:00 2001
From: Martin Pitt <martin.pitt@ubuntu.com>
Date: Tue, 3 Mar 2015 16:42:28 +0100
Subject: [PATCH] systemd: Relax dependencies of services

Stop depending on basic.target in the daemons which still do; i. e. add
DefaultDependencies=no. This makes it possible to run NFS during early boot,
and helps if you e. g. have /var on NFS. We don't require much else than
local-fs.
---
 systemd/auth-rpcgss-module.service | 1 +
 systemd/nfs-config.service         | 2 ++
 systemd/nfs-idmapd.service         | 3 ++-
 systemd/nfs-mountd.service         | 3 ++-
 systemd/nfs-server.service         | 2 ++
 systemd/rpc-statd-notify.service   | 3 ++-
 systemd/rpc-svcgssd.service        | 3 ++-
 7 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/systemd/auth-rpcgss-module.service b/systemd/auth-rpcgss-module.service
index 0355e13..5241f7b 100644
--- a/systemd/auth-rpcgss-module.service
+++ b/systemd/auth-rpcgss-module.service
@@ -6,6 +6,7 @@
 # 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-svcgssd.service rpc-gssd.service
 ConditionPathExists=/etc/krb5.keytab
diff --git a/systemd/nfs-config.service b/systemd/nfs-config.service
index 64010e6..7f65305 100644
--- a/systemd/nfs-config.service
+++ b/systemd/nfs-config.service
@@ -1,5 +1,7 @@
 [Unit]
 Description=Preprocess NFS configuration
+After=local-fs.target
+DefaultDependencies=no
 
 [Service]
 Type=oneshot
diff --git a/systemd/nfs-idmapd.service b/systemd/nfs-idmapd.service
index e84f8c8..df3dd9d 100644
--- a/systemd/nfs-idmapd.service
+++ b/systemd/nfs-idmapd.service
@@ -1,7 +1,8 @@
 [Unit]
 Description=NFSv4 ID-name mapping service
+DefaultDependencies=no
 Requires=var-lib-nfs-rpc_pipefs.mount
-After=var-lib-nfs-rpc_pipefs.mount
+After=var-lib-nfs-rpc_pipefs.mount local-fs.target
 
 BindsTo=nfs-server.service
 
diff --git a/systemd/nfs-mountd.service b/systemd/nfs-mountd.service
index d908afe..8a39f3e 100644
--- a/systemd/nfs-mountd.service
+++ b/systemd/nfs-mountd.service
@@ -1,8 +1,9 @@
 [Unit]
 Description=NFS Mount Daemon
+DefaultDependencies=no
 Requires=proc-fs-nfsd.mount
 After=proc-fs-nfsd.mount
-After=network.target
+After=network.target local-fs.target
 BindsTo=nfs-server.service
 
 Wants=nfs-config.service
diff --git a/systemd/nfs-server.service b/systemd/nfs-server.service
index b35e193..db801cb 100644
--- a/systemd/nfs-server.service
+++ b/systemd/nfs-server.service
@@ -1,10 +1,12 @@
 [Unit]
 Description=NFS server and services
+DefaultDependencies=no
 Requires= network.target proc-fs-nfsd.mount rpcbind.target
 Requires= nfs-mountd.service
 Wants=rpc-statd.service nfs-idmapd.service
 Wants=rpc-statd-notify.service
 
+After= local-fs.target
 After= network.target proc-fs-nfsd.mount rpcbind.target nfs-mountd.service
 After= nfs-idmapd.service rpc-statd.service
 Before= rpc-statd-notify.service
diff --git a/systemd/rpc-statd-notify.service b/systemd/rpc-statd-notify.service
index a655445..a7e2f8e 100644
--- a/systemd/rpc-statd-notify.service
+++ b/systemd/rpc-statd-notify.service
@@ -1,7 +1,8 @@
 [Unit]
 Description=Notify NFS peers of a restart
+DefaultDependencies=no
 Requires=network-online.target
-After=network.target nss-lookup.target
+After=local-fs.target network.target nss-lookup.target
 
 # if we run an nfs server, it needs to be running before we
 # tell clients that it has restarted.
diff --git a/systemd/rpc-svcgssd.service b/systemd/rpc-svcgssd.service
index f7424b0..41177b6 100644
--- a/systemd/rpc-svcgssd.service
+++ b/systemd/rpc-svcgssd.service
@@ -1,7 +1,8 @@
 [Unit]
 Description=RPC security service for NFS server
+DefaultDependencies=no
 Requires=var-lib-nfs-rpc_pipefs.mount
-After=var-lib-nfs-rpc_pipefs.mount
+After=var-lib-nfs-rpc_pipefs.mount local-fs.target
 PartOf=nfs-server.service
 PartOf=nfs-utils.service
 
-- 
2.1.4


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