diff options
Diffstat (limited to 'pkg/sentry/fsimpl/kernfs/kernfs.go')
-rw-r--r-- | pkg/sentry/fsimpl/kernfs/kernfs.go | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/pkg/sentry/fsimpl/kernfs/kernfs.go b/pkg/sentry/fsimpl/kernfs/kernfs.go index abb477c7d..c14abcff4 100644 --- a/pkg/sentry/fsimpl/kernfs/kernfs.go +++ b/pkg/sentry/fsimpl/kernfs/kernfs.go @@ -222,7 +222,9 @@ func (d *Dentry) IncRef() { // d.refs may be 0 if d.fs.mu is locked, which serializes against // d.cacheLocked(). r := atomic.AddInt64(&d.refs, 1) - refsvfs2.LogIncRef(d, r) + if d.LogRefs() { + refsvfs2.LogIncRef(d, r) + } } // TryIncRef implements vfs.DentryImpl.TryIncRef. @@ -233,7 +235,9 @@ func (d *Dentry) TryIncRef() bool { return false } if atomic.CompareAndSwapInt64(&d.refs, r, r+1) { - refsvfs2.LogTryIncRef(d, r+1) + if d.LogRefs() { + refsvfs2.LogTryIncRef(d, r+1) + } return true } } @@ -242,7 +246,9 @@ func (d *Dentry) TryIncRef() bool { // DecRef implements vfs.DentryImpl.DecRef. func (d *Dentry) DecRef(ctx context.Context) { r := atomic.AddInt64(&d.refs, -1) - refsvfs2.LogDecRef(d, r) + if d.LogRefs() { + refsvfs2.LogDecRef(d, r) + } if r == 0 { d.fs.mu.Lock() d.cacheLocked(ctx) @@ -254,7 +260,9 @@ func (d *Dentry) DecRef(ctx context.Context) { func (d *Dentry) decRefLocked(ctx context.Context) { r := atomic.AddInt64(&d.refs, -1) - refsvfs2.LogDecRef(d, r) + if d.LogRefs() { + refsvfs2.LogDecRef(d, r) + } if r == 0 { d.cacheLocked(ctx) } else if r < 0 { |