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-rw-r--r--pkg/sentry/fsimpl/kernfs/kernfs.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/kernfs/kernfs.go b/pkg/sentry/fsimpl/kernfs/kernfs.go
index ca3685800..88fcd54aa 100644
--- a/pkg/sentry/fsimpl/kernfs/kernfs.go
+++ b/pkg/sentry/fsimpl/kernfs/kernfs.go
@@ -320,6 +320,11 @@ type Inode interface {
// Precondition: rp.Done(). vfsd.Impl() must be the kernfs Dentry containing
// the inode on which Open() is being called.
Open(ctx context.Context, rp *vfs.ResolvingPath, vfsd *vfs.Dentry, opts vfs.OpenOptions) (*vfs.FileDescription, error)
+
+ // StatFS returns filesystem statistics for the client filesystem. This
+ // corresponds to vfs.FilesystemImpl.StatFSAt. If the client filesystem
+ // doesn't support statfs(2), this should return ENOSYS.
+ StatFS(ctx context.Context, fs *vfs.Filesystem) (linux.Statfs, error)
}
type inodeRefs interface {