From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 AF22F4F647C; Fri, 18 Sep 2026 13:21:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789737687; cv=none; b=MyVkNoF/MryaE0YZgjSKoutiEMs/58vBJuHk5ND4uoc4Kv0RvskfWCCeVf0Klu779MNCJu5fb/UM2neoJWEIg3CWdUh8RXSFE1zyJHUq4uRM+KZCuE7JP9mYVYQSwHnrIZdX/yESWK7jL3g0QtPtXsv03vavNmd17HTjRl/1qtQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789737687; c=relaxed/simple; bh=M7NmYC/Iylm9myghHwqILim55SAUt9QrM+UZYk0eJlw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AqkaYpG1VcOU1bVLFOgS3pVVhDlMmazCspDKcmAVRUDo3ph4dEeZ7uXEQO8YIZGgQeyXBu2rkAv++9j8rH0z8KNJyHNSkhESjRV+IGm3UaC58zxuwqM4wC/fO7fbmxUuTZ80od4hBZu4ipRBB8V2nFF3K/bqiEN8gnNZNvMYvio= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=ASCirT2l; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ASCirT2l" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=M7NmYC/Iylm9myghHwqILim55SAUt9QrM+UZYk0eJlw=; b=ASCirT2lFrZ1MGp2tmuPGpf/QH TIZ31sfLc+Zvlrzk0PR3rTT8QqEB12CHpbMMxRMknLOkMPg0fEUSv8aRvta3XRlBRmvDrKUBM6Pfs g65c+OeGfCATzPEdRb5m/VgiNU9g4Gx5U0QBCJTVyuKeGZKcPLm+PSmeaoZjm+FskuIn7kMWxjBpt 04pvxgA5rVU5TXVOHIsU0f45EYBo+eH6a87inHEpyZTlVGKv+ETlYKDSBker8SEigwC/m3XZIOLEm r1HdZ10lA7Kky622l1934/CQv59GvXG6o3G+c5lhCyScKgMQxDKGZkQv6ZDN1tiHhaM9L7dxtmnJs gdcvETVA==; Received: from hch by bombadil.infradead.org with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1x7YWn-0000000EUqn-3HqE; Fri, 18 Sep 2026 13:21:21 +0000 Date: Fri, 18 Sep 2026 06:21:21 -0700 From: Christoph Hellwig To: Tao Cui Cc: tj@kernel.org, josef@toxicopanda.com, axboe@kernel.dk, hch@infradead.org, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, cuitao@kylinos.cn Subject: Re: [PATCH v2 1/4] blk-iocost: charge flushes as pageless random writes Message-ID: References: <20260916085304.1080271-1-cui.tao@linux.dev> <20260916085304.1080271-2-cui.tao@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@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: <20260916085304.1080271-2-cui.tao@linux.dev> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Looks good: Reviewed-by: Christoph Hellwig