diff -r a28a5ccc894b -r d7b276de183b src/server/daemon/vfs.h
--- a/src/server/daemon/vfs.h	Sat Dec 03 18:00:35 2022 +0100
+++ b/src/server/daemon/vfs.h	Sun Dec 04 09:09:55 2022 +0100
@@ -92,6 +92,8 @@
 int sys_unlink(VFSContext *ctx, const char *path, SysACL *sysacl);
 int sys_rmdir(VFSContext *ctx, const char *path, SysACL *sysacl);
 
+NSAPI_PUBLIC int vfs_is_sys(VFS *vfs);
+
 void vfs_queue_aio(aiocb_s *aiocb, VFSAioOp op);
 
 #ifdef	__cplusplus