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merge branch 'pr-2495' 

Kir Kolyshkin (1):
  cgroups/fs/path: optimize

LGTMs: @mrunalp @cyphar
Closes #2495
This commit is contained in:
Aleksa Sarai 2020-07-07 11:51:06 +10:00
parent 30dc54a995 62a30709d2
commit 819fcc687e
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GPG Key ID: 9D94B96321B9D012
1 changed files with 6 additions and 6 deletions
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12
libcontainer/cgroups/fs/fs.go
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@ -351,14 +351,14 @@ func getCgroupData(c *configs.Cgroup, pid int) (*cgroupData, error) {
}
func (raw *cgroupData) path(subsystem string) (string, error) {
mnt, err := cgroups.FindCgroupMountpoint(raw.root, subsystem)
// If we didn't mount the subsystem, there is no point we make the path.
if err != nil {
return "", err
}
// If the cgroup name/path is absolute do not look relative to the cgroup of the init process.
if filepath.IsAbs(raw.innerPath) {
mnt, err := cgroups.FindCgroupMountpoint(raw.root, subsystem)
// If we didn't mount the subsystem, there is no point we make the path.
if err != nil {
return "", err
}
// Sometimes subsystems can be mounted together as 'cpu,cpuacct'.
return filepath.Join(raw.root, filepath.Base(mnt), raw.innerPath), nil
}