"Martin K. Petersen" <martin.peter...@oracle.com> writes:

> Dmitry Monakhov <dmonak...@openvz.org> writes:
>
>> SCSI drivers do care about bip_seed so we must update it accordingly.
>
>> +    bip->bip_iter.bi_sector += bytes_done >> 9;
>
> This needs to count protection intervals. Otherwise things will break
> for block sizes different from 512 bytes.
No,
AFAIU: bip->bip_iter.bi_sector is always equals to bio->bi_iter.bi_sector
at least bip_set_seed() and bip_get_seed() relays on that.
Only bip->bip_vec must be advanced in intervals (this behavior not
changed by the patch this patch).
>
> -- 
> Martin K. Petersen    Oracle Linux Engineering

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