Warning messages are printed and ignored if we use an unsupported option

When an unsupported limit on cgroups V1 rootless systems
is requested, podman prints an warning message and
ignores the option/flag.

```
  Target options/flags:
    --cpu-period, --cpu-quota, --cpu-rt-period, --cpu-rt-runtime,
    --cpus, --cpu-shares, --cpuset-cpus, --cpuset-mems, --memory,
    --memory-reservation, --memory-swap, --memory-swappiness,
    --blkio-weight, --device-read-bps, --device-write-bps,
    --device-read-iops, --device-write-iops, --blkio-weight-device
```

Related to https://github.com/containers/podman/discussions/10152

Signed-off-by: Toshiki Sonoda <sonoda.toshiki@fujitsu.com>

9 files changed, 15 insertions, 3 deletions

diff --git a/docs/source/markdown/options/blkio-weight.md b/docs/source/markdown/options/blkio-weight.md
index eb8e94144..04a1071c0 100644
--- a/docs/source/markdown/options/blkio-weight.md
+++ b/docs/source/markdown/options/blkio-weight.md
@@ -1,3 +1,5 @@
 #### **--blkio-weight**=*weight*
 
 Block IO relative weight. The _weight_ is a value between **10** and **1000**.
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-period.md b/docs/source/markdown/options/cpu-period.md
index efbe6c2ab..5c5eb56e7 100644
--- a/docs/source/markdown/options/cpu-period.md
+++ b/docs/source/markdown/options/cpu-period.md
@@ -8,3 +8,5 @@ microseconds.
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-quota.md b/docs/source/markdown/options/cpu-quota.md
index 753797bad..81d5db3d2 100644
--- a/docs/source/markdown/options/cpu-quota.md
+++ b/docs/source/markdown/options/cpu-quota.md
@@ -10,3 +10,5 @@ ends (controllable via **--cpu-period**).
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-rt-period.md b/docs/source/markdown/options/cpu-rt-period.md
index 9014beb33..36e88632e 100644
--- a/docs/source/markdown/options/cpu-rt-period.md
+++ b/docs/source/markdown/options/cpu-rt-period.md
@@ -4,4 +4,4 @@ Limit the CPU real-time period in microseconds.
 
 Limit the container's Real Time CPU usage. This option tells the kernel to restrict the container's Real Time CPU usage to the period specified.
 
-This option is not supported on cgroups V2 systems.
+This option is only supported on cgroups V1 rootful systems.
diff --git a/docs/source/markdown/options/cpu-rt-runtime.md b/docs/source/markdown/options/cpu-rt-runtime.md
index 05b1d3b96..64f0ec38b 100644
--- a/docs/source/markdown/options/cpu-rt-runtime.md
+++ b/docs/source/markdown/options/cpu-rt-runtime.md
@@ -7,4 +7,4 @@ Period of 1,000,000us and Runtime of 950,000us means that this container could c
 
 The sum of all runtimes across containers cannot exceed the amount allotted to the parent cgroup.
 
-This option is not supported on cgroups V2 systems.
+This option is only supported on cgroups V1 rootful systems.
diff --git a/docs/source/markdown/options/cpu-shares.md b/docs/source/markdown/options/cpu-shares.md
index c2115c1bf..c0e2c3035 100644
--- a/docs/source/markdown/options/cpu-shares.md
+++ b/docs/source/markdown/options/cpu-shares.md
@@ -37,3 +37,5 @@ this can result in the following division of CPU shares:
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpuset-cpus.md b/docs/source/markdown/options/cpuset-cpus.md
index a67766897..8a2a82e9f 100644
--- a/docs/source/markdown/options/cpuset-cpus.md
+++ b/docs/source/markdown/options/cpuset-cpus.md
@@ -7,3 +7,5 @@ CPUs in which to allow execution. Can be specified as a comma-separated list
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpuset-mems.md b/docs/source/markdown/options/cpuset-mems.md
index 1eeab7b13..b86d0ef6b 100644
--- a/docs/source/markdown/options/cpuset-mems.md
+++ b/docs/source/markdown/options/cpuset-mems.md
@@ -10,3 +10,5 @@ two memory nodes.
 On some systems, changing the resource limits may not be allowed for non-root
 users. For more details, see
 https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/memory-swappiness.md b/docs/source/markdown/options/memory-swappiness.md
index 65f0ef310..1e6a51188 100644
--- a/docs/source/markdown/options/memory-swappiness.md
+++ b/docs/source/markdown/options/memory-swappiness.md
@@ -2,4 +2,4 @@
 
 Tune a container's memory swappiness behavior. Accepts an integer between *0* and *100*.
 
-This flag is not supported on cgroups V2 systems.
+This flag is only supported on cgroups V1 rootful systems.