Subject: [PATCH] units: nuke nfs-blkmap.target

It seems that the purpose of nfs-blkmap.target was to enable and
disable nfs-blkmap.service. This can be done directly by adding
an [Install] section in nfs-blkmap.service.

The downside of the previous arrangement, apart from the unnecessary
complexity, was a warning during boot:

[ INFO ] PNFS blkmaping enablement. is not active.
[DEPEND] Dependency failed for pNFS block layout mapping daemon.

https://bugzilla.redhat.com/show_bug.cgi?id=1088665

Signed-off-by: Zbigniew Jędrzejewski-Szmek <[email protected]>
---
systemd/Makefile.am | 1 -
systemd/README | 2 +-
systemd/nfs-blkmap.service | 6 +++---
systemd/nfs-blkmap.target | 8 --------
systemd/nfs-client.target | 3 +--
5 files changed, 5 insertions(+), 15 deletions(-)
delete mode 100644 systemd/nfs-blkmap.target

diff --git a/systemd/Makefile.am b/systemd/Makefile.am
index 16cf5e667f..fbcabb11e6 100644
--- a/systemd/Makefile.am
+++ b/systemd/Makefile.am
@@ -3,7 +3,6 @@
MAINTAINERCLEANFILES = Makefile.in

unit_files = \
- nfs-blkmap.target \
nfs-client.target \
\
auth-rpcgss-module.service \
diff --git a/systemd/README b/systemd/README
index a2a5f06347..bbd7790ffb 100644
--- a/systemd/README
+++ b/systemd/README
@@ -24,7 +24,7 @@ by a suitable 'preset' setting:
is started by /usr/sbin/start-statd which mount.nfs will run
if statd is needed.

- nfs-blkmap.target
+ nfs-blkmap.service
If enabled, then blkmapd will be run when nfs-client.target is
started.

diff --git a/systemd/nfs-blkmap.service b/systemd/nfs-blkmap.service
index f470e3df9d..5b5a06dc98 100644
--- a/systemd/nfs-blkmap.service
+++ b/systemd/nfs-blkmap.service
@@ -5,12 +5,12 @@ Conflicts=umount.target
After=var-lib-nfs-rpc_pipefs.mount
Requires=var-lib-nfs-rpc_pipefs.mount

-Requisite=nfs-blkmap.target
-After=nfs-blkmap.target
-
PartOf=nfs-utils.service

[Service]
Type=forking
PIDFile=/var/run/blkmapd.pid
ExecStart=/usr/sbin/blkmapd $BLKMAPDARGS
+
+[Install]
+WantedBy=nfs-client.target
diff --git a/systemd/nfs-blkmap.target b/systemd/nfs-blkmap.target
deleted file mode 100644
index fbcc111152..0000000000
--- a/systemd/nfs-blkmap.target
+++ /dev/null
@@ -1,8 +0,0 @@
-[Unit]
-Description= PNFS blkmaping enablement.
-# If this target is enabled, then blkmapd will be started
-# as required. If it is not enabled it won't.
-
-[Install]
-WantedBy=remote-fs.target
-WantedBy=multi-user.target
\ No newline at end of file
diff --git a/systemd/nfs-client.target b/systemd/nfs-client.target
index 9b792a363e..8a8300a1df 100644
--- a/systemd/nfs-client.target
+++ b/systemd/nfs-client.target
@@ -5,8 +5,7 @@ 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=nfs-blkmap.service rpc-statd-notify.service
-After=nfs-blkmap.service
+Wants=rpc-statd-notify.service

# GSS services dependencies and ordering
Wants=auth-rpcgss-module.service
--
2.1.0



2015-03-19 18:21:38

by Steve Dickson

[permalink] [raw]
Subject: Re: [PATCH] units: nuke nfs-blkmap.target



On 03/14/2015 11:57 PM, Zbigniew Jędrzejewski-Szmek wrote:
> It seems that the purpose of nfs-blkmap.target was to enable and
> disable nfs-blkmap.service. This can be done directly by adding
> an [Install] section in nfs-blkmap.service.
>
> The downside of the previous arrangement, apart from the unnecessary
> complexity, was a warning during boot:
>
> [ INFO ] PNFS blkmaping enablement. is not active.
> [DEPEND] Dependency failed for pNFS block layout mapping daemon.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1088665
Committed...

steved.
>
> Signed-off-by: Zbigniew Jędrzejewski-Szmek <[email protected]>
> ---
> systemd/Makefile.am | 1 -
> systemd/README | 2 +-
> systemd/nfs-blkmap.service | 6 +++---
> systemd/nfs-blkmap.target | 8 --------
> systemd/nfs-client.target | 3 +--
> 5 files changed, 5 insertions(+), 15 deletions(-)
> delete mode 100644 systemd/nfs-blkmap.target
>
> diff --git a/systemd/Makefile.am b/systemd/Makefile.am
> index 16cf5e667f..fbcabb11e6 100644
> --- a/systemd/Makefile.am
> +++ b/systemd/Makefile.am
> @@ -3,7 +3,6 @@
> MAINTAINERCLEANFILES = Makefile.in
>
> unit_files = \
> - nfs-blkmap.target \
> nfs-client.target \
> \
> auth-rpcgss-module.service \
> diff --git a/systemd/README b/systemd/README
> index a2a5f06347..bbd7790ffb 100644
> --- a/systemd/README
> +++ b/systemd/README
> @@ -24,7 +24,7 @@ by a suitable 'preset' setting:
> is started by /usr/sbin/start-statd which mount.nfs will run
> if statd is needed.
>
> - nfs-blkmap.target
> + nfs-blkmap.service
> If enabled, then blkmapd will be run when nfs-client.target is
> started.
>
> diff --git a/systemd/nfs-blkmap.service b/systemd/nfs-blkmap.service
> index f470e3df9d..5b5a06dc98 100644
> --- a/systemd/nfs-blkmap.service
> +++ b/systemd/nfs-blkmap.service
> @@ -5,12 +5,12 @@ Conflicts=umount.target
> After=var-lib-nfs-rpc_pipefs.mount
> Requires=var-lib-nfs-rpc_pipefs.mount
>
> -Requisite=nfs-blkmap.target
> -After=nfs-blkmap.target
> -
> PartOf=nfs-utils.service
>
> [Service]
> Type=forking
> PIDFile=/var/run/blkmapd.pid
> ExecStart=/usr/sbin/blkmapd $BLKMAPDARGS
> +
> +[Install]
> +WantedBy=nfs-client.target
> diff --git a/systemd/nfs-blkmap.target b/systemd/nfs-blkmap.target
> deleted file mode 100644
> index fbcc111152..0000000000
> --- a/systemd/nfs-blkmap.target
> +++ /dev/null
> @@ -1,8 +0,0 @@
> -[Unit]
> -Description= PNFS blkmaping enablement.
> -# If this target is enabled, then blkmapd will be started
> -# as required. If it is not enabled it won't.
> -
> -[Install]
> -WantedBy=remote-fs.target
> -WantedBy=multi-user.target
> \ No newline at end of file
> diff --git a/systemd/nfs-client.target b/systemd/nfs-client.target
> index 9b792a363e..8a8300a1df 100644
> --- a/systemd/nfs-client.target
> +++ b/systemd/nfs-client.target
> @@ -5,8 +5,7 @@ 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=nfs-blkmap.service rpc-statd-notify.service
> -After=nfs-blkmap.service
> +Wants=rpc-statd-notify.service
>
> # GSS services dependencies and ordering
> Wants=auth-rpcgss-module.service
>