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[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 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,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 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1753964001930895695?= X-GMAIL-MSGID: =?utf-8?q?1753964001930895695?= 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(-)