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 4657EC3DA7A for ; Tue, 3 Jan 2023 01:45:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236479AbjACBpI (ORCPT ); Mon, 2 Jan 2023 20:45:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236452AbjACBo5 (ORCPT ); Mon, 2 Jan 2023 20:44:57 -0500 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CFD4AE7C for ; Mon, 2 Jan 2023 17:44:56 -0800 (PST) Received: by mail-pj1-x1036.google.com with SMTP id w4-20020a17090ac98400b002186f5d7a4cso34490652pjt.0 for ; Mon, 02 Jan 2023 17:44:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=XHxPn2MfgMHaHkWOCEms8kh86GtTfZeksouoa6QWirk=; b=S3RZ5H2417PyqyrJDnKgbaPEkU49KfJ2W3TcbJj2yoRhCmNSHt/sP3rlwSUtlK73ra ccjZysQhvBJL/kOVA1QcMrMvwuxf/pk5JMlxIlRyopI3Zht+Hr69uaBa4so9efib5Lmw ydDBq9ZvPftiz76WBIUkaTaayxYc0NlZC+n7nyVoHbFsMn8XAR2gQlYdwUC/sPj1jZM+ fT0Kq5mTgPwoq7i7abivJuGfu9liCW8buRjue2RjvgjlpVqi5YT80bV3SLXPrYhJBBR/ VTbgEK+qbUnJspA58GEoMMPfRAyr2jrpajVl167H/BCh9YM1ujZHmFGJWutUYgfDDVu8 bkgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=XHxPn2MfgMHaHkWOCEms8kh86GtTfZeksouoa6QWirk=; b=nqd9yDi+Wpm0JMhPBG5mHeVG2YO7irgoB8IhnRYci1SCF01w90G3ARM5Ob40BwHm3/ NXX1e7Jc9iOAqBFaFYypo/danyn1DqfNmx1k/RVXM3F1HehceOS72ZNCAncTpEPru874 WLxNdJOB6NZYT2y/zTe7nML0z5SrUtCPzs+CMsVDhurZ80ksg1pmj2v1JUk3LTyQHY4+ e4uIq9CpyFPyHKep2+4lhPlkIu7gqetw+HHuoqVO906Xi4Eed0xttjj4/8zi4qEmuFnK UWjCzoLGq96Z46mo9SY15lNBCkiQ7tjF35Wpi+SG8ugsv5/xp693qLM2MG02/t5miYQJ 6F2g== X-Gm-Message-State: AFqh2kqQcODB/VVX2rCgTOVHqdC6cYHmUkuMhEqbRI6fq/by78QW2B0i A1x86uQwFWvIh2Ak3pTUpP0fKQ== X-Google-Smtp-Source: AMrXdXuKBAGjMvEn7pQkC7DVujql3KQKyeibbhKNE3b4HDT4AzoLVn8Rhbx7nt/6DgTMfiez+Pvrtg== X-Received: by 2002:a17:903:2c5:b0:192:cf35:3ff8 with SMTP id s5-20020a17090302c500b00192cf353ff8mr4607512plk.21.1672710295791; Mon, 02 Jan 2023 17:44:55 -0800 (PST) Received: from niej-dt-7B47.. (80.251.214.228.16clouds.com. [80.251.214.228]) by smtp.gmail.com with ESMTPSA id f15-20020a170902ab8f00b001769206a766sm20588895plr.307.2023.01.02.17.44.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Jan 2023 17:44:55 -0800 (PST) From: Jun Nie To: tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org Cc: tudor.ambarus@linaro.org Subject: [PATCH v2 0/2] optimize ea_inode block expansion to fix panic Date: Tue, 3 Jan 2023 09:45:15 +0800 Message-Id: <20230103014517.495275-1-jun.nie@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Optimize ea_inode block expansion to avoid memcpy if possible, panic can be avoided in this way too. Change vs version 1: Only error and warning log format in patch 2 is modified per Theodore's suggestion. Jun Nie (2): ext4: optimize ea_inode block expansion ext4: refuse to create ea block when umounted fs/ext4/xattr.c | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-) -- 2.34.1