public inbox for [email protected]  
help / color / mirror / Atom feed
From: Andrew Dunstan <[email protected]>
To: Tom Lane <[email protected]>
Cc: Thomas Munro <[email protected]>
Cc: Jakub Wartak <[email protected]>
Cc: Bruce Momjian <[email protected]>
Cc: Dimitrios Apostolou <[email protected]>
Cc: Magnus Hagander <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: [email protected]
Cc: Andres Freund <[email protected]>
Cc: Melanie Plageman <[email protected]>
Cc: Heikki Linnakangas <[email protected]>
Cc: Kyotaro Horiguchi <[email protected]>
Cc: David Rowley <[email protected]>
Subject: Re: [PING] fallocate() causes btrfs to never compress postgresql files
Date: Fri, 6 Feb 2026 15:16:25 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CABUevEx=CQcphH33TRcMeUkt-TZ=m+i1JhLHCdoB_FYE5ift2w@mail.gmail.com>
	<CA+hUKGL74G_CR50N+gr8N1E9emuFJMHAsEKr6oGmHZZDZjRJHg@mail.gmail.com>
	<[email protected]>
	<CA+hUKGJQ=V4S-5Z=D6cDfsOz_7vGAAusj2b3fO36GuezcADamQ@mail.gmail.com>
	<CAKZiRmzF6SRR+AxPZsXzs1kaHrxjLO2sbLT4Q61EMA5PGQB3Vg@mail.gmail.com>
	<[email protected]>
	<CA+hUKGJbEp5fBfkS+J5OcrEzPTwugEtiusndiCx4gnN7HKfdpg@mail.gmail.com>
	<CAKZiRmzdvqtuZmrpUi-399gzko6xihDgCkJyTv--Sk4pgQ4x+g@mail.gmail.com>
	<CAKZiRmyDR5d7jdKdhL6TNKMtcY0fAaS-OQ3Bk3ZVejLZMrTCQw@mail.gmail.com>
	<CA+hUKG+cFFzRNqV=+XJOdtzkj0jDGfCjL6BLKtZ43css=_RFmw@mail.gmail.com>
	<CAKZiRmyrPZ+U5p39oaj3nfOtteoz4cA63pZTyE-2wVVOu! [email protected]>
	<CA+hUKGJ5AfAq-spM=b+KD0LNNXY-gAgaDDox9YFQZM+t8+je=g@mail.gmail.com>
	<[email protected]>
	<[email protected]>
	<[email protected]>


On 2026-02-06 Fr 1:31 PM, Tom Lane wrote:
> Andrew Dunstan <[email protected]> writes:
>> On 2026-02-06 Fr 10:11 AM, Tom Lane wrote:
>>> The message is complaining that sizeof(ConfigureNamesEnum) changed,
>>> which it did, but I don't see how that value would be visible to
>>> external modules.  So maybe a bug in libabigail?
>> I guess because of this in guc_tables.h:
>> extern PGDLLIMPORT struct config_generic ConfigureNames[];
> Evidently, but I don't see how that provides a sizeof() value to
> onlookers.  Just to be sure, I tried to compile a use of that,
> and got
>
> test.c:43:53: error: invalid application of ‘sizeof’ to incomplete type ‘struct config_generic[]’
>    elog(NOTICE, "sizeof(ConfigureNames) = %zu", sizeof(ConfigureNames));
>                                                       ^
>
> So if this isn't an outright bug, it's at least unhelpful behavior.
>

Fair enough. I agree it's not terribly helpful. In any case, maybe we 
need to look at my earlier suggestion of adding a suppression file.


cheers


andrew


--
Andrew Dunstan
EDB: https://www.enterprisedb.com







view thread (6+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]
  Subject: Re: [PING] fallocate() causes btrfs to never compress postgresql files
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox