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Message-ID: <BYAPR08MB453315E3E66C8FB0E6E89094DB910@BYAPR08MB4533.namprd08.prod.outlook.com>
Date: Thu, 31 Jan 2019 10:27:01 +0000
From: "Bean Huo (beanhuo)" <beanhuo@...ron.com>
To: Avri Altman <avri.altman@....com>,
"James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Evan Green <evgreen@...omium.org>
CC: Avi Shchislowski <avi.shchislowski@....com>,
Alex Lemberg <alex.lemberg@....com>
Subject: RE: [EXT] [PATCH v4 3/3] scsi: ufs-bsg: Allow reading descriptors
>-----Original Message-----
>From: linux-scsi-owner@...r.kernel.org [mailto:linux-scsi-
>owner@...r.kernel.org] On Behalf Of Avri Altman
>Sent: Sunday, January 27, 2019 8:08 AM
>To: James E.J. Bottomley <jejb@...ux.vnet.ibm.com>; Martin K. Petersen
><martin.petersen@...cle.com>; linux-scsi@...r.kernel.org; linux-
>kernel@...r.kernel.org; Evan Green <evgreen@...omium.org>
>Cc: Avi Shchislowski <avi.shchislowski@....com>; Alex Lemberg
><alex.lemberg@....com>; Avri Altman <avri.altman@....com>
>Subject: [EXT] [PATCH v4 3/3] scsi: ufs-bsg: Allow reading descriptors
>
>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: Bean Huo <beanhuo@...ron.com>
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