Re: [PATCH 10/15] scsi: core: Introduce scsi_get_sector()

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On Tue, Jun 08, 2021 at 11:39:24PM -0400, Martin K. Petersen wrote:
> From: Bart Van Assche <bvanassche@xxxxxxx>
> 
> Since scsi_get_lba() returns a sector_t value instead of the LBA, the name
> of that function is confusing. Introduce an identical function
> scsi_get_sector().
> 
> Link: https://lore.kernel.org/r/20210513223757.3938-2-bvanassche@xxxxxxx
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Ming Lei <ming.lei@xxxxxxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxx>
> Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxx>
> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> ---
>  include/scsi/scsi_cmnd.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
> index 301b9cd4ddd0..cba63377d46a 100644
> --- a/include/scsi/scsi_cmnd.h
> +++ b/include/scsi/scsi_cmnd.h
> @@ -220,6 +220,11 @@ static inline int scsi_sg_copy_to_buffer(struct scsi_cmnd *cmd,
>  				 buf, buflen);
>  }
>  
> +static inline sector_t scsi_get_sector(struct scsi_cmnd *scmd)
> +{
> +	return blk_rq_pos(scmd->request);

Wondering a bit why this still uses the request pointer, after you say
in patch 01 that it goes away. So it should probably use
`blk_mq_rq_from_pdu()`?


-- 
Best Regards, Benjamin Block  / Linux on IBM Z Kernel Development / IBM Systems
IBM Deutschland Research & Development GmbH    /    https://www.ibm.com/privacy
Vorsitz. AufsR.: Gregor Pillen         /        Geschäftsführung: Dirk Wittkopp
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