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authorRahat Mahmood <rahat@google.com>2021-03-11 16:47:49 -0800
committergVisor bot <gvisor-bot@google.com>2021-03-11 16:49:36 -0800
commitc5667022b6617d732e0c0bcb8ca3b58d588ceafb (patch)
treec112e83b4dcee9923cb99f1fe33b10251e1e58b2 /pkg/sentry/fsimpl/proc/filesystem.go
parenta82bd04e2ab3230a9ed09b297812b58d00784fe5 (diff)
Report filesystem-specific mount options.
PiperOrigin-RevId: 362406813
Diffstat (limited to 'pkg/sentry/fsimpl/proc/filesystem.go')
-rw-r--r--pkg/sentry/fsimpl/proc/filesystem.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/proc/filesystem.go b/pkg/sentry/fsimpl/proc/filesystem.go
index 8716d0a3c..254a8b062 100644
--- a/pkg/sentry/fsimpl/proc/filesystem.go
+++ b/pkg/sentry/fsimpl/proc/filesystem.go
@@ -104,6 +104,11 @@ func (fs *filesystem) Release(ctx context.Context) {
fs.Filesystem.Release(ctx)
}
+// MountOptions implements vfs.FilesystemImpl.MountOptions.
+func (fs *filesystem) MountOptions() string {
+ return fmt.Sprintf("dentry_cache_limit=%d", fs.MaxCachedDentries)
+}
+
// dynamicInode is an overfitted interface for common Inodes with
// dynamicByteSource types used in procfs.
//