FS_VNODE_CAPABILITY_WRITE
CLEAR_UNSUPPORTED(FS_VNODE_CAPABILITY_WRITE, write);
if (!HasVNodeCapability(vnode, FS_VNODE_CAPABILITY_WRITE))
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_WRITE, fFSOps->write);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_WRITE, fLowLevelOps.write);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_WRITE, fFS->ops.write);
capabilities.Set(FS_VNODE_CAPABILITY_WRITE, ops->write);