diff options
Diffstat (limited to 'pkg/sentry/fs/context.go')
| -rw-r--r-- | pkg/sentry/fs/context.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/pkg/sentry/fs/context.go b/pkg/sentry/fs/context.go index c0e6075e4..4869428a8 100644 --- a/pkg/sentry/fs/context.go +++ b/pkg/sentry/fs/context.go @@ -26,6 +26,9 @@ type contextID int const ( // CtxRoot is a Context.Value key for a Dirent. CtxRoot contextID = iota + + // CtxDirentCacheLimiter is a Context.Value key for DirentCacheLimiter. + CtxDirentCacheLimiter ) // ContextCanAccessFile determines whether `file` can be accessed in the requested way @@ -100,3 +103,12 @@ func RootFromContext(ctx context.Context) *Dirent { } return nil } + +// DirentCacheLimiterFromContext returns the DirentCacheLimiter used by ctx, or +// nil if ctx does not have a dirent cache limiter. +func DirentCacheLimiterFromContext(ctx context.Context) *DirentCacheLimiter { + if v := ctx.Value(CtxDirentCacheLimiter); v != nil { + return v.(*DirentCacheLimiter) + } + return nil +} |