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cgroupv2: don't use getSubsystemPath in Apply

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This code is a copy-paste from cgroupv1 systemd code. Its aim
is to check whether a subsystem is available, and skip those
that are not.

In case v2 unified hierarchy is used, getSubsystemPath never
returns "not found" error, so calling it is useless.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin
2020-03-26 13:30:20 -07:00
parent 96596cbbec
commit ec1f957b23
1 changed files with 0 additions and 8 deletions
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8
libcontainer/cgroups/systemd/unified_hierarchy.go
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@@ -38,14 +38,6 @@ func (m *UnifiedManager) Apply(pid int) error {
if c.Paths != nil { if c.Paths != nil {
paths := make(map[string]string) paths := make(map[string]string)
for name, path := range c.Paths { for name, path := range c.Paths {
_, err := getSubsystemPath(m.Cgroups, name)
if err != nil {
// Don't fail if a cgroup hierarchy was not found, just skip this subsystem
if cgroups.IsNotFound(err) {
continue
}
return err
}
paths[name] = path paths[name] = path
} }
m.Paths = paths m.Paths = paths