Re: [PATCH 0/2] block: scsi: introduce and use BLK_STS_OFFLINE

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CC linux-block (it was a typo in the original email)

On Wed, Feb 2, 2022 at 10:40 PM Song Liu <song@xxxxxxxxxx> wrote:
>
> We have a use case where HDDs are regularly power on/off to perserve power.
> When a drive is being removed, we often see errors like
>
>    [  172.803279] I/O error, dev sda, sector 3137184
>
> These messages are confusing for automations that grep dmesg, as they look
> very similar to real HDD error.
>
> Solve this issue with a new block state BLK_STS_OFFLINE. After the change,
> the error message looks like
>
>    [  172.803279] device offline error, dev sda, sector 3137184
>
> so that the automations won't confuse them with real I/O error.
>
> Song Liu (2):
>   block: introduce BLK_STS_OFFLINE
>   scsi: use BLK_STS_OFFLINE for not fully online devices
>
>  block/blk-core.c          | 1 +
>  drivers/scsi/scsi_lib.c   | 2 +-
>  include/linux/blk_types.h | 7 +++++++
>  3 files changed, 9 insertions(+), 1 deletion(-)
>
> --
> 2.30.2



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