From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E65B1E92721 for ; Thu, 5 Oct 2023 16:13:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241051AbjJEQNZ (ORCPT ); Thu, 5 Oct 2023 12:13:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240696AbjJEQMP (ORCPT ); Thu, 5 Oct 2023 12:12:15 -0400 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3160A93CA for ; Thu, 5 Oct 2023 08:30:28 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-4053c6f0db8so10006985e9.3 for ; Thu, 05 Oct 2023 08:30:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696519826; x=1697124626; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=tzgCsZsqyeKIPjM783ub2AUVn8qxeLuvBiXBKUlrXfU=; b=eXP8G6p/nEi0xYsVM9flx/kmOMaAHuh5qsFZNuN6rjPSp2nxfKGkJMIu93BctoJmsU vLvlFRrtAEUVlG+4Oow9rM+Klnsw3qWIiMybYITa3aSw8wlYfI+eP1DtNvvnNhS5iZz5 VkEzmfeSpkmGt5CR0aV4tPreWl3vp/Qu7KGuObxqPL8lX3pHO4jqQrLswbr2Bj3RZCYA HR5aUTTPikg2oLNAnGN9NDXfMGWrWd5OmUG6O3whYGz7VnhtJnYPzH1zpewqFw5Ao1pv G2VK/pkZ5YdFkJN59hkpX/Mar/oneRsIereiJPqal8Nyy0JkV4PYd+W5FlE7CxRuRnqA pwfw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696519826; x=1697124626; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=tzgCsZsqyeKIPjM783ub2AUVn8qxeLuvBiXBKUlrXfU=; b=MH91gScgeuIMEdTxkcENMP5rGK0HkFe9UmMrshsBKVySnFT2ObAggSxunp2zzfGD28 WuHPADgVpqsO31Ra+tKGdIB+yDRSq/gyPKAcAhrOZjYsKqnbWPjg1rCFgfGc8hLQe59G 9R9anpiVSbYDK2+2+hHPZrP8AiKbBD+y7e0A/ehHi0sThrtHbTy8MODaQZBiyR5SEOv7 aHvH54VeH5nfey0F42EaZFkSyLHq/WfHvINI5zs1tJ3V5SfN0wiCzBdHto/X4p67KSBC fOOTbDqDKxqPBeMetDg3flymUdFf2ehw+0j8jzyDNIbJ60/xOTR/QKAz89qD/SCKT73J JF2A== X-Gm-Message-State: AOJu0YyUstLEAH4p6/wnxwX+dAUoWjxB9EIn4g7MczXqurfr+zv3ayQf 8OIoJHL4eNBENWr2Do1G5x7rIWOW4CE= X-Google-Smtp-Source: AGHT+IFS/SfAmdUJufFp6Q8zrZ91Ow8HudIsSrepWL0n1J42nfbLATTy7KhDTGFVE5U7tSRJvuKhnA== X-Received: by 2002:a05:600c:211:b0:405:3dbc:8823 with SMTP id 17-20020a05600c021100b004053dbc8823mr5304155wmi.12.1696519826248; Thu, 05 Oct 2023 08:30:26 -0700 (PDT) Received: from localhost.localdomain (ip-94-112-167-15.bb.vodafone.cz. [94.112.167.15]) by smtp.gmail.com with ESMTPSA id m10-20020a7bce0a000000b00405953973c3sm3989560wmc.6.2023.10.05.08.30.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Oct 2023 08:30:25 -0700 (PDT) From: Ilya Dryomov To: stable@vger.kernel.org Cc: Greg KH , Dongsheng Yang Subject: [PATCH for 5.4 0/4] rbd: fix a deadlock around header_rwsem and lock_rwsem Date: Thu, 5 Oct 2023 17:29:49 +0200 Message-ID: <20231005153003.326735-1-idryomov@gmail.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hello, This is the series I sent out earlier today for 5.10-6.1 backported to 5.4. More adjustments were needed but still very modest. Thanks, Ilya Ilya Dryomov (4): rbd: move rbd_dev_refresh() definition rbd: decouple header read-in from updating rbd_dev->header rbd: decouple parent info read-in from updating rbd_dev rbd: take header_rwsem in rbd_dev_refresh() only when updating drivers/block/rbd.c | 420 ++++++++++++++++++++++++-------------------- 1 file changed, 230 insertions(+), 190 deletions(-) -- 2.41.0