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

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Message-ID: <SN6PR04MB49259233067FBEC4AFA35963FC680@SN6PR04MB4925.namprd04.prod.outlook.com>
Date:   Thu, 7 Feb 2019 14:15:40 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     "Martin K. Petersen" <martin.petersen@...cle.com>
CC:     "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        SCSI <linux-scsi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Avi Shchislowski <Avi.Shchislowski@....com>,
        Alex Lemberg <Alex.Lemberg@....com>,
        Evan Green <evgreen@...omium.org>
Subject: RE: [PATCH v4 3/3] scsi: ufs-bsg: Allow reading descriptors

Martin,
Is there any reason why this sires is not applied for 5.1?

Thanks,
Avri

> -----Original Message-----
> From: Avri Altman
> Sent: Tuesday, February 05, 2019 2:07 PM
> To: Martin K. Petersen <martin.petersen@...cle.com>
> Cc: James E.J. Bottomley <jejb@...ux.vnet.ibm.com>; SCSI <linux-
> scsi@...r.kernel.org>; LKML <linux-kernel@...r.kernel.org>; Avi
> Shchislowski <Avi.Shchislowski@....com>; Alex Lemberg
> <Alex.Lemberg@....com>; 'Evan Green' <evgreen@...omium.org>
> Subject: RE: [PATCH v4 3/3] scsi: ufs-bsg: Allow reading descriptors
> 
> Martin,
> Any further comments?
> 
> Thanks,
> Avri
> 
> 
> > -----Original Message-----
> > From: Evan Green <evgreen@...omium.org>
> > Sent: Monday, January 28, 2019 8:42 PM
> > To: Avri Altman <Avri.Altman@....com>
> > Cc: James E.J. Bottomley <jejb@...ux.vnet.ibm.com>; Martin K. Petersen
> > <martin.petersen@...cle.com>; SCSI <linux-scsi@...r.kernel.org>; LKML
> > <linux-kernel@...r.kernel.org>; Avi Shchislowski
> <Avi.Shchislowski@....com>;
> > Alex Lemberg <Alex.Lemberg@....com>
> > 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@....com>
> 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@....com>
> >
> > Reviewed-by: Evan Green <evgreen@...omium.org>