On 7/27/19 5:37 AM, Douglas Gilbert wrote:
> The existing ioctl(SG_GET_SCSI_ID) fills a object of type
> struct sg_scsi_id whose last field is int unused[2]. Add
> an anonymous union with u8 scsi_lun[8] sharing those last
> 8 bytes. This patch will place the current device's full
> LUN in the scsi_lun array using T10's preferred LUN
> format (i.e. an array of 8 bytes) when
> ioctl(SG_GET_SCSI_ID) is called.
> 
> Note that structure already contains a 'lun' field but that
> is a 32 bit integer. Users of this upgrade should choose
> the scsi_lun array field henceforth but existing code
> can remain as it is and will get the same 'lun' value with
> the version 3 or version 4 driver.
> 
> Signed-off-by: Douglas Gilbert <dgilb...@interlog.com>
> ---
>  drivers/scsi/sg.c      | 5 +++--
>  include/uapi/scsi/sg.h | 5 ++++-
>  2 files changed, 7 insertions(+), 3 deletions(-)
> 
Reviewed-by: Hannes Reinecke <h...@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Teamlead Storage & Networking
h...@suse.de                                   +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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HRB 21284 (AG Nürnberg)

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