FS_VNODE_CAPABILITY_REWIND_DIR
CLEAR_UNSUPPORTED(FS_VNODE_CAPABILITY_REWIND_DIR, rewind_dir);
if (!HasVNodeCapability(vnode, FS_VNODE_CAPABILITY_REWIND_DIR))
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_REWIND_DIR, fFSOps->rewinddir);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_REWIND_DIR, readDirSupport);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_REWIND_DIR, readDirSupport);
capabilities.Set(FS_VNODE_CAPABILITY_REWIND_DIR, ops->rewind_dir);