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Wed, 22 Jul 2026 03:00:59 -0700 (PDT) From: cuishuang To: alexs@kernel.org, si.yanteng@linux.dev Cc: dzm91@hust.edu.cn, corbet@lwn.net, skhan@linuxfoundation.org, wangyuli@aosc.io, kezijie@leap-io-kernel.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] docs/zh_CN: Add configurable error injection translation Date: Wed, 22 Jul 2026 18:00:53 +0800 Message-ID: <20260722100053.71691-1-imcusg@gmail.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Translate Documentation/block/error-injection.rst into Chinese and add it to the Chinese block documentation index. Update the translation through commit e8dcf2d142bd ("block: add configurable error injection"). Signed-off-by: cuishuang --- v1->v2: - Add the required Assisted-by trailer. - Resend via authenticated SMTP because the original message was only partially delivered and did not reach the linux-doc archive. .../zh_CN/block/error-injection.rst | 63 +++++++++++++++++++ .../translations/zh_CN/block/index.rst | 1 + 2 files changed, 64 insertions(+) create mode 100644 Documentation/translations/zh_CN/block/error-injection.rst diff --git a/Documentation/translations/zh_CN/block/error-injection.rst b/Documentation/translations/zh_CN/block/error-injection.rst new file mode 100644 index 000000000000..91563ea055ba --- /dev/null +++ b/Documentation/translations/zh_CN/block/error-injection.rst @@ -0,0 +1,63 @@ +.. SPDX-License-Identifier: GPL-2.0 +.. include:: ../disclaimer-zh_CN.rst + +:Original: Documentation/block/error-injection.rst + +:翻译: + + cuishuang + +============== +可配置错误注入 +============== + +概述 +---- + +可配置错误注入允许针对块设备的扇区范围注入特定的块层状态码。错误可以无条件 +注入，也可以按给定概率注入。 + +要使用可配置错误注入，必须启用 ``CONFIG_BLK_ERROR_INJECTION``。 + +唯一的接口是 ``error_injection`` debugfs 文件，每个已注册的 gendisk 都会 +创建该文件。写入此文件用于创建或删除规则，读取则返回当前错误注入点的列表。 + +选项 +---- + +以下选项指定操作： + +=================== ======================================================= +add 添加一条新规则 +removeall 删除所有现有规则 +=================== ======================================================= + +以下选项指定 ``add`` 操作的规则详情： + +=================== ======================================================= +op= 此规则适用的块层操作。它使用每个 ``REQ_OP_XYZ`` + 操作中的 ``XYZ``，例如 ``READ``、``WRITE`` 或 + ``DISCARD``。必填。 +status= 要返回的状态。它使用每个 ``BLK_STS_XYZ`` 状态码 + 中的 ``XYZ``，例如 ``IOERR`` 或 ``MEDIUM``。必填。 +start= 此规则适用的第一个块层扇区。可选，默认为 0。 +nr_sectors= 此规则适用的扇区数。可选，默认覆盖设备的剩余部分。 +chance= 仅以 ``1/chance`` 的概率返回失败。可选，默认为 1 + （总是失败）。 +=================== ======================================================= + +示例 +---- + +对 ``/dev/nvme0n1`` 扇区 0 的读取，每 10 次中有一次返回 +``BLK_STS_IOERR``： + + $ echo 'add,op=READ,start=0,status=IOERR,chance=10' > /sys/kernel/debug/block/nvme0n1/error_injection + +对 ``/dev/nvme0n1`` 的每次写入都返回 ``BLK_STS_MEDIUM``： + + $ echo 'add,op=WRITE,start=0,status=MEDIUM' > /sys/kernel/debug/block/nvme0n1/error_injection + +删除 ``/dev/nvme0n1`` 的所有规则： + + $ echo 'removeall' > /sys/kernel/debug/block/nvme0n1/error_injection diff --git a/Documentation/translations/zh_CN/block/index.rst b/Documentation/translations/zh_CN/block/index.rst index f2ae5096ed68..4877432cc4ff 100644 --- a/Documentation/translations/zh_CN/block/index.rst +++ b/Documentation/translations/zh_CN/block/index.rst @@ -18,6 +18,7 @@ Block blk-mq data-integrity + error-injection TODOList: * bfq-iosched -- 2.50.1 (Apple Git-155)