[PATCH] Fix nfs-mountd dependency on rpcbind

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Following commit 91da135f - it replaced "rpcbind.target" by "rpcbind.socket" in
some unit files - "rpcbind.socket" should also be added to "nfs-mountd.service"
as a dependency to avoid race conditions.

Usually "rpcbind.socket" is either started as a "sockets.target" dependency, or
as a dependency for "nfs-server.service", when unit files include it in
"BindsTo" or "After". Unfortunately there is a possilibility to have
"nfs-mountd.service" started when the rpcbind socket is not yet created:

systemd[1]: Starting NFS Mount Daemon...
systemd[1]: nfs-mountd.service: Control process exited, code=exited status=1
systemd[1]: Failed to start NFS Mount Daemon.
systemd[1]: nfs-mountd.service: Unit entered failed state.
systemd[1]: nfs-mountd.service: Failed with result 'exit-code'.

Nowadays "nfs-mountd.service" uses "BindTo" directive to "nfs-server.service".
That, per se, doesn't guarantee ordering for NFS server to start rpcbind and for
nfs-mountd to depend on it.

https://bugs.launchpad.net/bugs/1590799

Signed-off-by: Rafael David Tinoco <rafael.tinoco@xxxxxxxxxxxxx>
---
 systemd/nfs-mountd.service | 1 +
 1 file changed, 1 insertion(+)

diff --git a/systemd/nfs-mountd.service b/systemd/nfs-mountd.service
index 15e828b..b0a8bc0 100644
--- a/systemd/nfs-mountd.service
+++ b/systemd/nfs-mountd.service
@@ -4,6 +4,7 @@ DefaultDependencies=no
 Requires=proc-fs-nfsd.mount
 After=proc-fs-nfsd.mount
 After=network.target local-fs.target
+After=rpcbind.socket
 BindsTo=nfs-server.service
 
 [Service]
-- 
2.9.3

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