linux-kernel - Re: [PATCH v4 3/5] ubi: Add six fault injection type for testing

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Message-ID: <f4f9fd14-23a6-0ce1-fedc-7428123a63f3@huawei.com>
Date:   Fri, 3 Nov 2023 19:36:39 +0800
From:   Zhihao Cheng <chengzhihao1@...wei.com>
To:     ZhaoLong Wang <wangzhaolong1@...wei.com>,
        <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <yi.zhang@...wei.com>, <yangerkun@...wei.com>
Subject: Re: [PATCH v4 3/5] ubi: Add six fault injection type for testing

在 2023/11/3 14:55, ZhaoLong Wang 写道:
> This commit adds six fault injection type for testing to cover the
> abnormal path of the UBI driver.
>
> Inject the following faults when the UBI reads the LEB:
>   +----------------------------+-----------------------------------+
>   |    Interface name          |       emulate behavior            |
>   +----------------------------+-----------------------------------+
>   |  emulate_eccerr            | ECC error                         |
>   +----------------------------+-----------------------------------+
>   |  emulate_read_failure      | read failure                      |
>   |----------------------------+-----------------------------------+
>   |  emulate_io_ff             | read content as all FF            |
>   |----------------------------+-----------------------------------+
>   |  emulate_io_ff_bitflips    | content FF with MTD err reported  |
>   +----------------------------+-----------------------------------+
>   |  emulate_bad_hdr           | bad leb header                    |
>   |----------------------------+-----------------------------------+
>   |  emulate_bad_hdr_ebadmsg   | bad header with ECC err           |
>   +----------------------------+-----------------------------------+
>
> Signed-off-by: ZhaoLong Wang <wangzhaolong1@...wei.com>
> ---
>   drivers/mtd/ubi/debug.c |  30 +++++++
>   drivers/mtd/ubi/debug.h | 172 ++++++++++++++++++++++++++++++++++++++--
>   drivers/mtd/ubi/io.c    |  76 +++++++++++++++++-
>   drivers/mtd/ubi/ubi.h   |  30 ++++---
>   4 files changed, 287 insertions(+), 21 deletions(-)

Reviewed-by: Zhihao Cheng <chengzhihao1@...wei.com>