Re: [PATCHES] HOT WIP Patch - version 2

Tom Lane wrote:
>
> "Recently dead" means "still live to somebody", so those tids better not
> change either.  But I don't think that's what he meant.  I'm more
> worried about the deadlock possibilities inherent in trying to upgrade a
> buffer lock.  We do not have deadlock detection for LWLocks.

I am guessing he is going to have to release the lock, then ask for an
exclusive one.