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 <dgilbert@xxxxxxxxxxxx> > --- > drivers/scsi/sg.c | 5 +++-- > include/uapi/scsi/sg.h | 5 ++++- > 2 files changed, 7 insertions(+), 3 deletions(-) > Reviewed-by: Hannes Reinecke <hare@xxxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Mary Higgins, Sri Rasiah HRB 21284 (AG Nürnberg)
