Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vo2w9-00EzYF-1D for pgsql-hackers@arkaria.postgresql.org; Thu, 05 Feb 2026 17:14:37 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vo2w8-000Eoi-0u for pgsql-hackers@arkaria.postgresql.org; Thu, 05 Feb 2026 17:14:36 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vo2w7-000Eoa-2a for pgsql-hackers@lists.postgresql.org; Thu, 05 Feb 2026 17:14:35 +0000 Received: from mail-vk1-xa32.google.com ([2607:f8b0:4864:20::a32]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1vo2w4-00000001Dnc-1sFb for pgsql-hackers@postgresql.org; Thu, 05 Feb 2026 17:14:34 +0000 Received: by mail-vk1-xa32.google.com with SMTP id 71dfb90a1353d-5635e6b80easo363062e0c.2 for ; Thu, 05 Feb 2026 09:14:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dunslane-net.20230601.gappssmtp.com; s=20230601; t=1770311670; x=1770916470; darn=postgresql.org; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :from:references:cc:to:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=fRnp7IxF8GUmontwS/D4Y5gmB45NAiIrpC1fCtfS6kU=; b=tYr9Urrv9M4v9HExJInSadmkp05tYRD1HEfz6ffSoW7bYMfoVXXzDt7vC/ZicOfEIM mOw8twmEWgr0akZ+FRzHm8WxXpNYz8Gt4PEOje8ThnazbJfB+fpZG8nlib4+U+ATzVI3 KwwPlXCh7T4vuVqI+JIkzZolELVtnVTQVuody5gIQmjMWpUgtsJDoVDFKEVKCFG/zrLl L4JH1CP6sbWDnw7bzhNLhpXCIHthYMkfQAugkELfl1fcC0wjbrCXcq6/B+CDz3BehLF4 6KqOy4mZVLMpdd7e4+4+Pe8MgVGCEKmBSwfEtMQ3ZfXiYaGfCvsp+aoxqF6wSZnQZ7WR R08w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770311670; x=1770916470; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :from:references:cc:to:subject:user-agent:mime-version:date :message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=fRnp7IxF8GUmontwS/D4Y5gmB45NAiIrpC1fCtfS6kU=; b=RN+LyefAjYb4+Pap41Mz2r5MJDnV3/+hiI8nqt4Lmk44VVvSNkLnFzV14p5udnf4Jc GvBOupb/UgMLL7BKp0nVpiUOhvrbvMoSDfZUseXRbQUlWDe6WrBGbqFaRhbLmAc6E2fa oHNQnHseZ3GDC8ZwFEMex0iLfaT9fWs/AloKXb5lEtSxIIPmP43TEROf2sQUHTCWSZK7 QxnuYMGoeWSWrGWpN9z0ENLMYnVG14l7+NtKWVKenjGaUDf9JxDbnnE7H9peDUV7u6/B 2OxcqGQxQfYSGmjvYeBEacUirhoq9/v9p9EkLEl5T+Phv1Uv/3T3rVXR2hcHfI8V3qrh ztHg== X-Forwarded-Encrypted: i=1; AJvYcCWYuz+PiVFfDLWP51I2fSBPd+0bZ+oMQxqx/2lqBstFk7kGKwhJfIfQpaClrlb2o82V5IiLA+46hGE/+XAQ@postgresql.org X-Gm-Message-State: AOJu0Yx6rFNUBXqDxb1KOQ2JfrtYoPvU6AjckrO4TbYv81Sh/5fWRK32 t6JsHi7O4u8u87KZ9w8NmVK8cIwZ2O7BjZS+zv5+xjG716itGgI74kcXUaBmNafsuXs= X-Gm-Gg: AZuq6aIoDG75fiQJ/f0j7C/FEq7NgMvlNhmsSWPTrrkMyKvn5F6x3YwkckW/z2PrFWv R5VRknZJuwxxHbONitjaF8jsPC3JjQAFJXg+WnEswpx25JD55cFTmwQl9U2rCOezkS8CHB/4Js6 rzXdYtjoNP3xi3s3s7KthNFjQYbYq+Fm3lHSmvrQzwgo7P04zI5my4vt6wNH1Cr8drQAI5rzCcw WrMjlzk4UmQGSamxacaRIdAlRnUMN50XN1r5J0dG67KeCl9B71h4f9rAdcPsCfkeuaIIRbeNru9 pNecF9zLNl5edTrwxDJjf0IwU7N6PgzukhAN1wBW34inSN4eDjdDTzc44aho5++crbqM3R0yhPm w2PTS3dhjtuYc8fBeeBrdwgAqFOUipSZbRM+qkxYSgejL668zqw4LHwWm0jU1g3c/CWiF8S20zU KKhneNdB0TzIP6W4AhPA== X-Received: by 2002:a05:6122:181b:b0:559:67df:5889 with SMTP id 71dfb90a1353d-56705ed27c9mr53571e0c.6.1770311669865; Thu, 05 Feb 2026 09:14:29 -0800 (PST) Received: from ?IPV6:2605:a601:a6b0:500::1cb? ([2605:a601:a6b0:500::1cb]) by smtp.googlemail.com with ESMTPSA id 71dfb90a1353d-56705f45e45sm25091e0c.20.2026.02.05.09.14.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Feb 2026 09:14:29 -0800 (PST) Message-ID: Date: Thu, 5 Feb 2026 12:14:27 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: FileFallocate misbehaving on XFS To: Thomas Munro , Jakub Wartak Cc: Andres Freund , Michael Harris , Robert Haas , Alvaro Herrera , Tomas Vondra , PostgreSQL-development References: <202412161705.6u36fgydow3q@alvherre.pgsql> From: Andrew Dunstan Content-Language: en-US Autocrypt: addr=andrew@dunslane.net; keydata= xsBNBE7KWFkBCAClridxur2AIc7eW2AR7izbfp3EnNefie2HbLF0izW5Ik5UjX2HBXBx4syI gY6b0ugohXrr274+baoAlvSbq6cAoQuEVrk5IZFzt20b1Xkx65FwGSEj526yiKLocqkJceSq Xr9xcA5SGY+FZv441chh5SU92v4q6z+6LPpoHOh97ptAVXZYNTtU0LevyvD5lja0TzbvJm6C eFXitJfnm1pLEr0DGJCR/iUOl/N62Kh4855zZC7NHIjQHPOvV5Stz/l5ilDhvGVk+xkXFPys SjZoUr1rXhYLpiyi5sR0X9FHXT0KnGuz1F5ERO7ZTLSSQ6fJwPj6gOk9K+vvoKvoeql5ABEB AAHNJEFuZHJldyBEdW5zdGFuIDxhbmRyZXdAZHVuc2xhbmUubmV0PsLAlwQTAQgAQQIbAwIX gAIZAQULCQgHAwUVCgkICwUWAgMBAAIeBRYhBOQ+WEYd/Hy/RGkVpZn6f8tZ/DuBBQJoGNGd BQkdEO8nAAoJEJn6f8tZ/DuBq74H/jkTR4Zi3stbw+xC7v2u3QozssK7MYPL2AsVfh7OealS h182fiWXpfvmmAB7WUHbhk9GC2RAOnHI/2d2jgKaMLAHsGYOT0YopTVIwRY43fCw/mK67yxc wmDcX+zyKfLaivNbf5A7QPLNwda98bEAMSJ8Sn652Uc6cA8t3uKGsVzbRBQOoYzjgvBCfSrE 9ql3PDNg0l4BfAqabd2f70ZUm9VAMEPrgv/v2xI7M2XiL4g5BVmqLCOwxLM8RMCotCuoweUr VO43DeBCIDwLxotMJKvGWDjBzQYlU1NPUAtNcz/gN9ITUe1VUGjyvGj4u1lxBOcQQUw7l1+T 5moZ4iZxXzvOwE0ETspYWQEIANGc4zQULOxhbqO2dyD51YhqCNRmm9oKWaqf+wmW4tpDe/VV cxAnNizd4LWCHfzpb5cHAtGkOPePMfzWVf6nvdF7d3eglbtf59+zG7O7llV0xSSoFiieQBsr GvqDInXYX/4mRRXMtyhM353/tixC9RWLs1oofyYmCPPXXY7h9R7en3B8BoVrRFcdzlIY/NFN hFGW/9dkEiGjgna2Rk6e15kln4ZvFBWUg23p93w/pqXcxY6+k/8TEk+C4R+M6w7o2PLGOjdZ +kPiUcw5H85zf/yZJwQXzisXaNduwWB6Vads9YC9dj6kPR1c4VGRqAaYL++LAEOqrlvm2Tvq QqZRtnEAEQEAAcLAfAQYAQgAJgIbDBYhBOQ+WEYd/Hy/RGkVpZn6f8tZ/DuBBQJoGNI2BQkd EODdAAoJEJn6f8tZ/DuBfw0IAKTsfD40teP/pp+bsLLMSxPXUYrrprTj7WFB5v61p6dkpSr/ qXmMlyahdxQFaPmfVgVirB1Vk/kHiWNnnGjfUV9nB2Zg9LI0Xb9/ts3LsUiRWXzG3tkMY6XL vsVOxW4XFRND9l2q+WW93aZ1DZl+fqWfYgMvsusFRhmGFOKTRfKPta2Pkv+AhA24N4+PrR5p bU4k2MO8PAGiK8eaYKGFG1bHKuAvoDoF7WXJ3FHxuWqLnKEt4dfOLm5pAe3zq1Lt6q8azT9i QWGpSAK5vQUWQHBHpiDjdPeqKZ6HiAXIIKfSmb+jrvXBqoP+D6/K7rUjG2aXiRtTIAXms9sm VRu7cmw= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 2026-02-05 Th 8:07 AM, Thomas Munro wrote: > On Thu, Feb 5, 2026 at 8:16 PM Jakub Wartak > wrote: >> BTW: from our side we also have workaround patch (with GUC for this) >> solving 2nd problem and that is pending for inclusion in separate >> thread[2] > Yeah, I'll push 0001 shortly to get it into the minor releases before > the freeze, as it's still useful for the BTRFS people. With this new > info I can improve the reference to unexplained XFS failures in the > commit message. Thanks! > +many for getting this into the maintenance releases. cheers andrew -- Andrew Dunstan EDB: https://www.enterprisedb.com