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[2620:137:e000::1:20]) by mx.google.com with ESMTP id lu26-20020a170906fada00b00992bf74c31csi7578462ejb.1005.2023.08.14.07.08.12; Mon, 14 Aug 2023 07:08:36 -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=@gmail.com header.s=20221208 header.b=qRMXV3ux; 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; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231329AbjHNNYY (ORCPT + 99 others); Mon, 14 Aug 2023 09:24:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230435AbjHNNXy (ORCPT ); Mon, 14 Aug 2023 09:23:54 -0400 Received: from mail-ot1-x32f.google.com (mail-ot1-x32f.google.com [IPv6:2607:f8b0:4864:20::32f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4EA0B10C6; Mon, 14 Aug 2023 06:23:54 -0700 (PDT) Received: by mail-ot1-x32f.google.com with SMTP id 46e09a7af769-6bb140cd5a5so3455720a34.3; Mon, 14 Aug 2023 06:23:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1692019433; x=1692624233; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=DrPNQERrOv3TUTMR4WcWsfPPW9clyc64cY5xGbhYQfU=; b=qRMXV3ux3UEznrhbp/FNBxNre5mDfXcdXEgxRffHEVNISfrJvmgkVGvEIdcBgpiz7B eYw19fAMKPMUvrlKUsdlfcUaRjDwz+CSvsJOW7Uz2vv88Jos+K2c/WDk6MZsf1BizKLo 5pf55lrnaW8WDphjg90V9c2JZAVeH0qfpXrekjo+a1xH59KK1ajTPuGTBz2yix9btarh ETtGjq/Jy5R6rzZUqMqGFjJoJSLPud4Ak2T70Brb/VJooBuNARe+A6M0zHBixc8a2Z8X DJuD/CHJvMPttngCAMDfi83GTBCEH1SBWl11ba89qjBJpo8hreXjvTCxR1u4c4qCIC+9 CHew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692019433; x=1692624233; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DrPNQERrOv3TUTMR4WcWsfPPW9clyc64cY5xGbhYQfU=; b=RrXUYhamYAG4c14hhMajPV7LtcvtebHzdZourjf3c3g8tIPESETLW4+n4w4+pgB3+y vd6UTOkGOk6JPUUzfQuyl744DAyB+WDH5t9kYm9QrPqEyk8iejf8H1v2cV6W/oTC22em h0p2ZBHSJCRZlLp/MOf4yfYWrVti6qGayouXHFsO9FWE16HULd9u6PGG78n0oeugIM88 /0y0JrWkINPJqppZ5iUANd7DLi4sY39L0jnw08dFq/n+w6fBoKF3NpZhUQWADW41fm0a XMBCP+wtM0m1E4L49MAOYKjmR9ZWRu3evn0ww172ZBa59c2KPrz+fBjaa5kXaV2g2mQg AdVA== X-Gm-Message-State: AOJu0Yxl+F938WKnlzXRsbJ3+I4To8OcYAbW0kaDHEU6pX1YmBEC6wHZ KuYEoe3hhdrL2MX22w82V2HkLws9An3Bu42Mt2M= X-Received: by 2002:a05:6870:440e:b0:1bb:b172:4bd5 with SMTP id u14-20020a056870440e00b001bbb1724bd5mr11409614oah.18.1692019433185; Mon, 14 Aug 2023 06:23:53 -0700 (PDT) MIME-Version: 1.0 References: <20230813160936.1082758-1-sashal@kernel.org> <20230813160936.1082758-22-sashal@kernel.org> In-Reply-To: <20230813160936.1082758-22-sashal@kernel.org> From: Ilya Dryomov Date: Mon, 14 Aug 2023 15:23:41 +0200 Message-ID: Subject: Re: [PATCH AUTOSEL 5.10 22/25] rbd: make get_lock_owner_info() return a single locker or NULL To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Dongsheng Yang , axboe@kernel.dk, ceph-devel@vger.kernel.org, linux-block@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED,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 Sun, Aug 13, 2023 at 6:11=E2=80=AFPM Sasha Levin wro= te: > > From: Ilya Dryomov > > [ Upstream commit f38cb9d9c2045dad16eead4a2e1aedfddd94603b ] > > Make the "num_lockers can be only 0 or 1" assumption explicit and > simplify the API by getting rid of output parameters in preparation > for calling get_lock_owner_info() twice before blocklisting. > > Signed-off-by: Ilya Dryomov > Reviewed-by: Dongsheng Yang > Signed-off-by: Sasha Levin Hi Sasha, This is a prerequisite patch, it doesn't make sense to backport it without also backporting "rbd: harden get_lock_owner_info() a bit" and "rbd: retrieve and check lock owner twice before blocklisting". Please drop it. Thanks, Ilya