From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8CD0F30C62E; Wed, 24 Dec 2025 15:44:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766591040; cv=none; b=H0uLx5lybDLfCVZD5LmCSKTCWDZzarcOWWsaMDuklDoT3FiYphC6Xmho4qsTHWQW3RIMPAJiElKC4Z1cimIPiOGgu+AsXLrJwd5p0m6oGNT+SQufRfvhRaA+vpx9ZionC6RJaFaNUs9D11hmyIrXrSmSMBo6qNkG2DDLvCHD1JA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766591040; c=relaxed/simple; bh=2ytZJvKk1WjmUBkvN0rdgeAVdBGn6BHw/gMZioRP1KE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=R4ArvwkBiZEh8AxNsY7VxHp3+euPxOxChcZwxBwQQl6pUMnMW353yErmvCqCN4cqOvL2MzVwqJvmaRmWLF0//ll1PfhCRneBtgb35curGn7zXcwVRKDsXKbAlB7/IcCFxEzG7Ot7BbdYIh6jNsy57WkBoTYrVz8H0ljJsmLHFwc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pfOJ3Rsp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pfOJ3Rsp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47DE3C4CEFB; Wed, 24 Dec 2025 15:43:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766591039; bh=2ytZJvKk1WjmUBkvN0rdgeAVdBGn6BHw/gMZioRP1KE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pfOJ3RspylEmEHksNe3NrE5WOmAdQwm9QCXkEMUrkGB9fuVcxGDFleIp1MfFj5UAY m7uzaywns0A1gd/iEi6Rs8gVvzFa67EqLmKPK46Mq0/3aeOr06Lbb8vAYURFtcplGn IS/wcrn2FUHawti8v3WkMuy6FjgvGyMJKCrI1hZ6xje5VobCyq6vuu9fs+BnArly9S OwLWjdkZ3SyjSa/F8TANI01OeZlLncobW1vPgY70+OwLccDs6UmkDOlFcj60qTb7mW eo9DZxi1xeu6vxoP1Xb6rjJP9sZDsvSF/OAV//lgQ3banoDr3FFsuP+QTlvXB7IFZo CuHrrOz9HoBag== Date: Wed, 24 Dec 2025 10:43:58 -0500 From: Sasha Levin To: Matthew Wilcox Cc: Joanne Koong , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 1/1] iomap: fix race between iomap_set_range_uptodate and folio_end_read Message-ID: References: <20250926002609.1302233-13-joannelkoong@gmail.com> <20251223223018.3295372-1-sashal@kernel.org> <20251223223018.3295372-2-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Dec 24, 2025 at 02:10:19AM +0000, Matthew Wilcox wrote: >On Tue, Dec 23, 2025 at 05:12:09PM -0800, Joanne Koong wrote: >> On Tue, Dec 23, 2025 at 2:30 PM Sasha Levin wrote: >> > >> >> Hi Sasha, >> >> Thanks for your patch and for the detailed writeup. > >The important line to note is: > >Assisted-by: claude-opus-4-5-20251101 > >So Sasha has produced a very convincingly worded writeup that's >hallucinated. And spent a few hours trying to figure it out so I could unblock testing, but sure - thanks. Here's the full log: https://qa-reports.linaro.org/lkft/sashal-linus-next/build/v6.18-rc7-13806-gb927546677c8/testrun/30618654/suite/log-parser-test/test/exception-warning-fsiomapbuffered-io-at-ifs_free/log , happy to test any patches you might have. -- Thanks, Sasha