Port fallocate to VFS2.

PiperOrigin-RevId: 319283715

1 files changed, 6 insertions, 1 deletions

diff --git a/pkg/sentry/socket/hostinet/socket_vfs2.go b/pkg/sentry/socket/hostinet/socket_vfs2.go
index ad5f64799..8f192c62f 100644
--- a/pkg/sentry/socket/hostinet/socket_vfs2.go
+++ b/pkg/sentry/socket/hostinet/socket_vfs2.go
@@ -96,7 +96,12 @@ func (s *socketVFS2) Ioctl(ctx context.Context, uio usermem.IO, args arch.Syscal
 	return ioctl(ctx, s.fd, uio, args)
 }
 
-// PRead implements vfs.FileDescriptionImpl.
+// Allocate implements vfs.FileDescriptionImpl.Allocate.
+func (s *socketVFS2) Allocate(ctx context.Context, mode, offset, length uint64) error {
+	return syserror.ENODEV
+}
+
+// PRead implements vfs.FileDescriptionImpl.PRead.
 func (s *socketVFS2) PRead(ctx context.Context, dst usermem.IOSequence, offset int64, opts vfs.ReadOptions) (int64, error) {
 	return 0, syserror.ESPIPE
 }