Re: [PATCH v4] ndctl: add clear error support for ndctl

[Dave Jiang <dave.jiang@intel.com>]

On 05/01/2017 05:16 PM, Kani, Toshimitsu wrote:
> On Mon, 2017-05-01 at 16:33 -0700, Dave Jiang wrote:
>  :
>> +EXAMPLES
>> +--------
>> +
>> +Clear poison (bad blocks) for the provided device
>> +[verse]
>> +ndctl clear-error -f /dev/dax0.0 -s 0 -l 8
>> +
>> +Clear poison (bad blocks) at block offset 0 for 8 blocks on device
>> /dev/dax0.0
>> +
>> +OPTIONS
>> +-------
>> +-f::
>> +--file::
>> +The device/file to be cleared of poison (bad blocks).
>> +
>> +-s::
>> +--start::
>> +The offset where the poison (bad block) starts for this
>> device.
>> +Typically this is acquired from the sysfs badblocks file.
>> +
>> +-l::
>> +--len::
>> +The number of badblocks to clear in size of 512 bytes
>> increments. The
>> +length must fit within the badblocks range. If the length
>> exceeds the
>> +badblock range or is 0, the command will fail.
> 
> Actually, I am seeing '-l 0' works just like '-l 1'.

Oh now I remembered that Vishal requested that no length does 1 block
clear. Do you want me to correct documentation or behavior?


> 
> Thanks,
> -Toshi
> 
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