RE: [PATCH 1/4] scsi: storvsc: Fix a bug in the layout of the hv_fc_wwn_packet

[KY Srinivasan]

> -----Original Message-----
> From: Johannes Thumshirn [mailto:jthumshirn@xxxxxxx]
> Sent: Friday, December 11, 2015 12:48 AM
> To: KY Srinivasan <kys@xxxxxxxxxxxxx>
> Cc: gregkh@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> devel@xxxxxxxxxxxxxxxxxxxxxx; ohering@xxxxxxxx;
> jbottomley@xxxxxxxxxxxxx; hch@xxxxxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx;
> apw@xxxxxxxxxxxxx; vkuznets@xxxxxxxxxx; jasowang@xxxxxxxxxx;
> martin.petersen@xxxxxxxxxx
> Subject: Re: [PATCH 1/4] scsi: storvsc: Fix a bug in the layout of the
> hv_fc_wwn_packet
> 
> On Thu, Dec 10, 2015 at 04:14:17PM -0800, K. Y. Srinivasan wrote:
> > The hv_fc_wwn_packet is exchanged over vmbus. Make the definition in
> Linux match
> > the Window's definition.
> >
> > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> > Reviewed-by: Long Li <longli@xxxxxxxxxxxxx>
> > Tested-by: Alex Ng <alexng@xxxxxxxxxxxxx>
> > ---
> >  drivers/scsi/storvsc_drv.c |    5 ++---
> >  1 files changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
> > index c41f674..00bb4bd 100644
> > --- a/drivers/scsi/storvsc_drv.c
> > +++ b/drivers/scsi/storvsc_drv.c
> > @@ -92,9 +92,8 @@ enum vstor_packet_operation {
> >   */
> >
> >  struct hv_fc_wwn_packet {
> > -	bool	primary_active;
> > -	u8	reserved1;
> > -	u8	reserved2;
> > +	u8	primary_active;
> > +	u8	reserved1[3];
> >  	u8	primary_port_wwn[8];
> >  	u8	primary_node_wwn[8];
> >  	u8	secondary_port_wwn[8];
> > --
> > 1.7.4.1
> >
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> 
> Should this go through stable as well?
> If yes:
> Fixes: 8b612fa23 '[SCSI] storvsc: Update the storage protocol to win8 level'
> Cc: stable@xxxxxxxxxxxxxxx # v3.11+
This is the first time we are using this data structure and so I don't think we need
to port it back to stable.

Regards,

K. Y

> Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
> 
> --
> Johannes Thumshirn                                          Storage
> jthumshirn@xxxxxxx                                +49 911 74053 689
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