Re: Clean up NamedLWLockTranche stuff

On 27/03/2026 06:49, Sami Imseih wrote:
>> +/* backend-local copy of NamedLWLockTranches->num_user_defined */
>> +static int LocalNumUserDefinedTranches;
>
>> The comment here should reference "LWLockTranches->num_user_defined "
>> instead.
>
>> Also, there are a few places in lwlock.c where "named tranches" is mentioned.
>> Maybe we should just say "user-defined tranches" instead?
>
> Like the attached.

> @@ -460,7 +460,7 @@ LWLockShmemInit(void)
> }
>
> /*
> - * Initialize LWLocks that are fixed and those belonging to named tranches.
> + * Initialize LWLocks that are fixed and those belonging to user-defined tranches.
> */
> static void
> InitializeLWLocks(int numLocks)

Only tranches requested with RequestNamedLWLockTranche() have locks in
the main array, so I reworded this some more to:

/*
* Initialize LWLocks for built-in tranches and those requested with
* RequestNamedLWLockTranche().
*/

Committed with that little change, thanks!

- Heikki