FS_VNODE_CAPABILITY_OPEN
if (!HasVNodeCapability(vnode, FS_VNODE_CAPABILITY_OPEN))
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_OPEN, fFSOps->open);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_OPEN, fLowLevelOps.open);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_OPEN, fFS->ops.open);
capabilities.Set(FS_VNODE_CAPABILITY_OPEN, ops->open);