From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) (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 EA7D8191F92 for ; Thu, 26 Feb 2026 02:48:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.9.28.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772074126; cv=none; b=OiY5eFYlQZr3QKhdqrMIB7P79HZx4n12VUNM289b6TqLdjX4/8pEWnJzJKoWc6mCUUPTtGG/c6qDntrVLzuFwZRG4wezP918OdB8gBauNQ7ykFR3XAKp4jkBKuD5YZUUqCC3jpc6q+X80sJnLDHx0rfS8wyoSiVqfQDUnLfwUuM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772074126; c=relaxed/simple; bh=F0+o2UUVW9aNzSBdsj6/U9LiKGoL8Nd1mYuDq7TnJ+k=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hdjuM8wgzOe//SiLd2E3ecXFRLzTCTZUYPCVQtAvN8MbA4zIUVnwra1fGWiKRRg1oNZtX28adA2eSh/RS+80Ym9RQ+1nqzTZo8q0G4WkYIhfQqPNplpMByffDgXd825N7TZxTG9ZZOGd4jcEA54yjbxQ1VMkyjybg1hzWuTgQBQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu; spf=pass smtp.mailfrom=mit.edu; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b=hFfCQqcF; arc=none smtp.client-ip=18.9.28.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mit.edu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b="hFfCQqcF" Received: from macsyma.thunk.org (pool-173-48-102-61.bstnma.fios.verizon.net [173.48.102.61]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 61Q2mKoN026274 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 25 Feb 2026 21:48:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1772074103; bh=v1lW6HbOxzdVAYTNNOiCAsp5k2UZLgPEp7PYb+IMH9s=; h=Date:From:Subject:Message-ID:MIME-Version:Content-Type; b=hFfCQqcF+PlMucmYtSTPU7N8U6bSwnkrOukDG8rfmNV5YsGCFkU2oX7vZWzxQ70Iu rvRABLWwwQAuSjPbO8KrDf+7hzWD3cw81HjNeZ1bUy4QZ+Wf5MQ40X7bFYMpBUWdI4 lbsB4QfMOYTUSJm8SFYCHDblNK+nnZ1hssvehVPiboRl6b8OBbwvkpLEQsRVhZRZIz zVobnf/Q1JcZcRLyMDRkAfc4hlmlrJ3gOMHF9qc2iAzJCA/XxH7U34kVqrP98V38dB EPi7hF7CZ1SfQhIkG4a6o/Gysv/F7aZYAm5gux5PNy0czOAaAUZUp8hT6TkcTkBIHA jCCRqDHwh6+Bw== Received: by macsyma.thunk.org (Postfix, from userid 15806) id 00F0159EFFAF; Wed, 25 Feb 2026 21:48:19 -0500 (EST) Date: Wed, 25 Feb 2026 21:48:19 -0500 From: "Theodore Tso" To: Andreas Dilger Cc: Mario Lohajner , libaokun1@huawei.com, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, yangerkun@huawei.com, libaokun9@gmail.com Subject: Re: [PATCH] ext4: rralloc - (former rotalloc) improved round-robin allocation policy Message-ID: <20260226024819.GA39209@macsyma-wired.lan> References: <20260225201520.220071-1-mario_lohajner.ref@rocketmail.com> <20260225201520.220071-1-mario_lohajner@rocketmail.com> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Feb 25, 2026 at 04:49:30PM -0700, Andreas Dilger wrote: > > Mario, can you please include a summary of the performance test > results into the commit message so that the effectiveness of the > patch can be evaluated. This should include test(s) run and > their arguments, along with table of before/after numbers. The tests should also include an explanation of the hardware that you ran the test on. Some example of cover letters that include perforance improvement results: https://lore.kernel.org/all/20251025032221.2905818-1-libaokun@huaweicloud.com/ https://lore.kernel.org/all/20260105014522.1937690-1-yi.zhang@huaweicloud.com/ Cheers, - Ted