diff options
| author | Rahat Mahmood <rahat@google.com> | 2021-04-02 21:08:53 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-04-02 21:10:44 -0700 |
| commit | 932c8abd0f739bec295ff62cf8fce3dcb7e2d866 (patch) | |
| tree | 5669f3240478e7d96a9d9375d241e65668cb5805 /pkg/sentry/fsimpl/kernfs/kernfs.go | |
| parent | a0c1674478ed49b63c75ce1d000c8038b1a632b3 (diff) | |
Implement cgroupfs.
A skeleton implementation of cgroupfs. It supports trivial cpu and
memory controllers with no support for hierarchies.
PiperOrigin-RevId: 366561126
Diffstat (limited to 'pkg/sentry/fsimpl/kernfs/kernfs.go')
| -rw-r--r-- | pkg/sentry/fsimpl/kernfs/kernfs.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/kernfs/kernfs.go b/pkg/sentry/fsimpl/kernfs/kernfs.go index 565d723f0..16486eeae 100644 --- a/pkg/sentry/fsimpl/kernfs/kernfs.go +++ b/pkg/sentry/fsimpl/kernfs/kernfs.go @@ -61,6 +61,7 @@ import ( "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/context" + "gvisor.dev/gvisor/pkg/fspath" "gvisor.dev/gvisor/pkg/refsvfs2" "gvisor.dev/gvisor/pkg/sentry/kernel/auth" "gvisor.dev/gvisor/pkg/sentry/vfs" @@ -508,6 +509,15 @@ func (d *Dentry) Inode() Inode { return d.inode } +// FSLocalPath returns an absolute path to d, relative to the root of its +// filesystem. +func (d *Dentry) FSLocalPath() string { + var b fspath.Builder + _ = genericPrependPath(vfs.VirtualDentry{}, nil, d, &b) + b.PrependByte('/') + return b.String() +} + // The Inode interface maps filesystem-level operations that operate on paths to // equivalent operations on specific filesystem nodes. // |