linux-kernel - Re: [PATCH v3 5/5] mtd: Add several functions to the fail

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Message-ID: <0f9dba22-973c-6873-9116-40f2aa381e74@huawei.com>
Date:   Fri, 20 Oct 2023 17:11:30 +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 v3 5/5] mtd: Add several functions to the fail_function
 list

在 2023/10/20 14:48, ZhaoLong Wang 写道:
> add mtd_read(), mtd_write(), mtd_erase(), mtd_block_markbad() to
> fail_function list for testing purpose
> 
> - Specify the function to inject the fault
> echo mtd_read >  /sys/kernel/debug/fail_function/inject
> 
> - Specifies the return value of the function to inject the fault
> printf %#x -12 > /sys/kernel/debug/fail_function/mtd_read/retval
> 
> - Specify other fault injection configuration parameters.
> echo -1 > /sys/kernel/debug/fail_function/times
> echo 100 > /sys/kernel/debug/fail_function/probability
> echo 15 > /sys/kernel/debug/fail_function/space
> 
> Signed-off-by: ZhaoLong Wang <wangzhaolong1@...wei.com>

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