st 17. 3. 2021 v 23:32 odesÃlatel Michael Paquier <mich...@paquier.xyz> napsal:
> On Wed, Mar 17, 2021 at 05:04:48PM +0100, Pavel Stehule wrote: > > This tree has a different direction than is usual, and then replacing the > > root node is not simple. > > Yeah, it is not like we should redesign this whole part just for the > feature discussed here, and that may impact performance as the current > list handling is cheap now. > > > Second solution (significantly more simple) is an additional pointer in > > ns_item structure. In almost all cases this pointer will not be used. > > Because ns_item uses a flexible array, then union cannot be used. I > > implemented this in a patch marked as "alias-implementation". > > > > What do you think about it? > > I am not sure that it is necessary nor good to replace entirely the > root label. So associating a new field directly into it sounds like a > promising approach? > I have not a problem with this. Pavel -- > Michael >
