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[2620:137:e000::1:20]) by mx.google.com with ESMTP id l16-20020a170906645000b0099bcdfb188fsi1655031ejn.743.2023.08.10.08.14.26; Thu, 10 Aug 2023 08:15:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20221208.gappssmtp.com header.s=20221208 header.b=nOU7uTiU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229631AbjHJNUJ (ORCPT + 99 others); Thu, 10 Aug 2023 09:20:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234407AbjHJNUI (ORCPT ); Thu, 10 Aug 2023 09:20:08 -0400 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E96A41703 for ; Thu, 10 Aug 2023 06:20:06 -0700 (PDT) Received: by mail-pf1-x436.google.com with SMTP id d2e1a72fcca58-6873f64a290so208465b3a.0 for ; Thu, 10 Aug 2023 06:20:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20221208.gappssmtp.com; s=20221208; t=1691673606; x=1692278406; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:to:from:from:to:cc:subject:date:message-id :reply-to; bh=Kszi551Bnv//ecnL5T0Ia/HMxSS++L9RDvCtNNeu7ho=; b=nOU7uTiUZXDq+Z3ZyVKsMnWhXNsV7rj0DtWVjzvCnucVysgaiOQB1iXkjT5of2brT0 Abw5dOK+Ug5mbraSEKdZs5Y9hOZ0+ySplatRELT0EJv9MjHKkuWzymcumEUEGr+BUFwj 6SU1+RNHLu2NMLkpwUDgduyL31ynvtYi/hy4U5HXbZZ+Fpn9qoNgU7Yk5jpFiW57QLJA L3ZBkyk1F+jLoNSA23kn0NrCgsJJVufUK60qSot2cPAJblcmtrrpMY+YZsGF31rCcoSS nXNg04U9UzeKYUH4ZJK+w52N3yoLXJrhvTiQPeVg/IcE+Pi+HcE8HPPq+fX0zjU4+qAQ gAWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691673606; x=1692278406; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Kszi551Bnv//ecnL5T0Ia/HMxSS++L9RDvCtNNeu7ho=; b=DWyEDwUM29+Prz5jxbKenqmlLI5zWxYrpE8uxYBqgELwJ/BURon7xTPoWqj5KpCfvt VoEhfVc3FkAsrpie3YFHdznfUOEQU6WUy2ry1q9/2QKDkaBWXZv8GHEoaQei+8UixDiJ jA6qdwcalXBg3Ea78B0+FzAoicN0STSInsbhSul5lq4htkmtC/l11tlSiTIFoKrEr2A2 EB6JNd0CLOeAAaihoFC2a31lIe4qDVn9Q0uWnNasYFKqosgrqsiGfOt4WyKKaht0tj9f 1waaDXb7gNwCn98Zhuv45/BO6eGFNlipqI16HSM+U55v66K7Hi5veifmtSDbiXntnKoa n9UA== X-Gm-Message-State: AOJu0YzIcfsFy2rCbfK3xGh0LUYzSdX2bLl3QGjt4+V7+5kuUJpSzefe by4KzX1ZPDLBfoKaHGuJoCYbGA== X-Received: by 2002:a05:6a20:4328:b0:13c:bda3:79c3 with SMTP id h40-20020a056a20432800b0013cbda379c3mr3546481pzk.4.1691673606295; Thu, 10 Aug 2023 06:20:06 -0700 (PDT) Received: from [127.0.0.1] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id c24-20020aa781d8000000b00687ce7c6540sm1527065pfn.99.2023.08.10.06.20.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Aug 2023 06:20:05 -0700 (PDT) From: Jens Axboe To: Christoph Hellwig , kbusch@kernel.org, chaitanya.kulkarni@wdc.com, sagi@grimberg.me, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, martin.petersen@oracle.com, Jinyoung Choi In-Reply-To: <20230803024656epcms2p4da6defb8e1e9b050fe2fbd52cb2e9524@epcms2p4> References: <20230803024656epcms2p4da6defb8e1e9b050fe2fbd52cb2e9524@epcms2p4> Subject: Re: [PATCH v3 0/4] multi-page bvec configuration for integrity payload Message-Id: <169167360473.227591.7939702876981053246.b4-ty@kernel.dk> Date: Thu, 10 Aug 2023 07:20:04 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.13-dev-034f2 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 03 Aug 2023 11:46:56 +0900, Jinyoung Choi wrote: > In the case of NVMe, it has an integrity payload consisting of one segment. > So, rather than configuring SG_LIST, it was changed by direct DMA mapping. > > The page-merge is not performed for the struct bio_vec when creating > a integrity payload in block. > As a result, when creating an integrity paylaod beyond one page, each > struct bio_vec is generated, and its bv_len does not exceed the PAGESIZE. > > [...] Applied, thanks! [1/4] block: make bvec_try_merge_hw_page() non-static commit: 7c8998f75d2d42ddefb172239b0f689392958309 [2/4] bio-integrity: update the payload size in bio_integrity_add_page() commit: 80814b8e359f7207595f52702aea432a7bd61200 [3/4] bio-integrity: cleanup adding integrity pages to bip's bvec. commit: d1f04c2e23c99258049c6081c3147bae69e5bcb8 [4/4] bio-integrity: create multi-page bvecs in bio_integrity_add_page() commit: 0ece1d649b6dd615925a72bc1824d6b9fa5b998a Best regards, -- Jens Axboe