linux-kernel - RE: [PATCH 6/8] bsg-lib: handle bidi requests without block layer help

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Message-ID: <SN6PR04MB49254C8E18E28233E904A006FCD80@SN6PR04MB4925.namprd04.prod.outlook.com>
Date:   Mon, 19 Nov 2018 12:31:54 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Christoph Hellwig <hch@....de>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "ooo@...ctrozaur.com" <ooo@...ctrozaur.com>
CC:     Johannes Thumshirn <jthumshirn@...e.de>,
        Benjamin Block <bblock@...ux.vnet.ibm.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 6/8] bsg-lib: handle bidi requests without block layer
 help



> -----Original Message-----
> From: linux-scsi-owner@...r.kernel.org <linux-scsi-owner@...r.kernel.org>
> On Behalf Of Christoph Hellwig
> Sent: Sunday, November 11, 2018 3:32 PM
> To: axboe@...nel.dk; martin.petersen@...cle.com; ooo@...ctrozaur.com
> Cc: Johannes Thumshirn <jthumshirn@...e.de>; Benjamin Block
> <bblock@...ux.vnet.ibm.com>; linux-scsi@...r.kernel.org; linux-
> block@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: [PATCH 6/8] bsg-lib: handle bidi requests without block layer help
> 
> We can just stash away the second request in struct bsg_job instead
> of using the block layer req->next_rq field, allowing for the eventual
> removal of the latter.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
Tested-by: Avri Altman <avri.altman@....com>

Regardless of the ongoing discussion with Benjamin - 
Tested the scsi pass-through (ufs-bsg) path - nothing is broken.