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From: Michael Paquier <[email protected]>
To: Bertrand Drouvot <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Jeff Davis <[email protected]>
Cc: Greg Sabino Mullane <[email protected]>
Cc: [email protected]
Subject: Re: Adding locks statistics
Date: Sat, 21 Mar 2026 14:55:33 +0900
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <v76tz252usppu2turrn6wxiyyxmybzxhqck5b3amtsbzrc6yto@n26qnwvpkxqw>
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	<[email protected]>
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On Thu, Mar 19, 2026 at 12:25:41PM +0000, Bertrand Drouvot wrote:
> That's a good idea! I only moved LockTagType, LOCKTAG_LAST_TYPE, LockTagTypeNames
> and LOCKTAG into a new locktag.h. I chose not to move the SET_LOCKTAG_* macros
> because then we'd also need to move DEFAULT_LOCKMETHOD and USER_LOCKMETHOD that
> I think are better suited in lock.h.

While looking at the full set of declarations, I've come to disagree
to that: by moving the macros, we also do not need to know about the
internal field names of LOCKTAG across multiple headers.

> I did not check if there are any other files that could benefit of using
> locktag.h instead of lock.h but that's something I'll do and open a dedicated
> if any (once locktag.h is in the tree).

I have checked after that, and did not spot an area (except your patch
of course).  And applied this part.

> Not sure as we already have multixact-stats.

Ah, right.  I did not notice this one.  This existing name sounds OK
by me, then.
--
Michael


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