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