From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.251 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793267837; b=maxvCDBc6PPhNOP+iLlcEBWf+9T59x03b/0msbRZMaHPtbjB/uXAWUdB3YNgUp0csal3 e+5ASCUItTidPIvecJkIbVuqHkVBeahb4mGJhqNYr2YIOFu3ehDL243pXqeORsTL2nEuT GFeuh2l4ma2q8XWMTSUBZs7tLEBJsSJGULHhyRfsF39FkaU0hJsefOo04wHS+C8vcGphV hbRYbUnVhy8e1JWYt7USAskmSjmRjqJDLra9q1w6LP5Qr//Z5zgmKm5AhN6G66LnxEMnu a7duJOaGa3UaiqGSsmb2rvVbsKJRnwg8HU0OaKMmN1kmHpW7fqPNyEZRxDLOBQN6suA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793267837; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Cc:Subject:To:References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding; bh=hWaXPrGDhyWCEUeKdoM63o7PKlFaYUkm9xCkqBAxeQ8=; b=ka4LKKM91/5vPo/REH30hHivfvK/5b2KAU1gcOv2NlfxrEUjl4t19temwch3PA6Srhhh dGQrWbZX/4FwjCShBWhDFwfFLIlyv0C+2gnNiC9L3+GRl2iw8sR6glCcHDXJQYhF8+CAt /+/wTKmpM70djSUjycTTNesyxMoOd2ylGlAIjOp/TV7rBiFdHvu2w+H+hjpDg0dmoo79/ AgFFRKlf7N3+yEEtk9RIwjtHb7CbVax2wnIwD1HdxCy2SoD7OE9yw9bUj50u73TpoUT/8 BQ7c+VeJe5xOAWztTKTAEN/3lPmkgDxvBzJQRhDOa2WOQ5XL/QVT6NKLLronnEWLCEQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=W+8t3+4h; arc=none smtp.remote-ip=95.215.58.251 Received: from mta1.migadu.com (out-251.mta1.migadu.com [95.215.58.251]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4744C606A32C for ; Thu, 29 Oct 2026 09:57:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 4744C606A32C Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=W+8t3+4h X-Envelope-To: bpf@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=Io8Za75LZDFiHR23Q0ReXlDPmUPWVZA1pjzJJhGltWs=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1793267835; v=1; x=1793872635; b=W+8t3+4hzBuvDinHlL4/EKDxfKXJ4cubc1EvEM0vXLoktC0n9sSWJmPduSJC7rgYYU5smwZQ cSW/Bh7BxQrBADVQivNj+JWahrOFiESZrj9Jr4N8UEwkwbshany87jIUJB9D8FfYbLD5aTZGoO+ WzvPqaCenb7HrvGiHq/D6bi0= X-Envelope-To: bpf@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 1cb8ab88aefdeb15; Thu, 29 Oct 2026 09:57:15 +0000 X-Mizu-Trace-ID: 1cb8ab88aefdeb15 X-Migadu-Flow: FLOW_OUT Message-ID: <9145109e-0030-451b-9cca-d23eab30a826@linux.dev> Date: Thu, 29 Oct 2026 17:57:05 +0800 X-Mailing-List: bpf@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: cui.tao@linux.dev, josef@toxicopanda.com, axboe@kernel.dk, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, andrii@kernel.org, eddyz87@gmail.com, ast@kernel.org, daniel@iogearbox.net, linux-kselftest@vger.kernel.org, cuitao@kylinos.cn, ameryhung@gmail.com, alexei.starovoitov@gmail.com Subject: Re: [RFC PATCH v11 0/5] blk-iocost: BPF struct_ops cost model To: Tejun Heo References: <20261028143534.135968-1-cui.tao@linux.dev> <07deddf44be391f58d6c3f2e4843582b@kernel.org> From: Tao Cui In-Reply-To: <07deddf44be391f58d6c3f2e4843582b@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hello Tejun, Thank you for the review. 在 2026/10/29 04:09, Tejun Heo 写道: > Hello, Tao. > > Besides the restructuring agreed in my reply to Alexei, dropping > iocg_init()/iocg_free() and moving everything into blk-iocost.c, the > series still has problems, which I replied to on the patches. I'll rework the series accordingly: drop iocg_init()/iocg_free(), remove the detach freeze, fold everything back into blk-iocost.c and drop patch 1, reducing the series to four patches. The cover > letter is still long and narrates mechanics, and it still carries the > v9 and v10 changelogs. > I'll shorten it, focus on the motivation, and drop the v9/v10 changelogs. Thanks, Tao > Thanks. > > -- > tejun