RE: [PATCH v4 3/3] scsi: ufs-bsg: Allow reading descriptors

[Avri Altman]

Martin,
Any further comments?

Thanks,
Avri


> -----Original Message-----
> From: Evan Green <evgreen@xxxxxxxxxxxx>
> Sent: Monday, January 28, 2019 8:42 PM
> To: Avri Altman <Avri.Altman@xxxxxxx>
> Cc: James E.J. Bottomley <jejb@xxxxxxxxxxxxxxxxxx>; Martin K. Petersen
> <martin.petersen@xxxxxxxxxx>; SCSI <linux-scsi@xxxxxxxxxxxxxxx>; LKML
> <linux-kernel@xxxxxxxxxxxxxxx>; Avi Shchislowski <Avi.Shchislowski@xxxxxxx>;
> Alex Lemberg <Alex.Lemberg@xxxxxxx>
> Subject: Re: [PATCH v4 3/3] scsi: ufs-bsg: Allow reading descriptors
> 
> On Sat, Jan 26, 2019 at 11:08 PM Avri Altman <avri.altman@xxxxxxx> wrote:
> >
> > Add this functionality, placing the descriptor being read in the actual
> > data buffer in the bio.
> >
> > That is, for both read and write descriptors query upiu, we are using
> > the job's request_payload.  This in turn, is mapped back in user land to
> > the applicable sg_io_v4 xferp: dout_xferp for write descriptor,
> > and din_xferp for read descriptor.
> >
> > Signed-off-by: Avri Altman <avri.altman@xxxxxxx>
> 
> Reviewed-by: Evan Green <evgreen@xxxxxxxxxxxx>