linux-kernel - Re: [RESEND PATCH v1 1/2] trace: events: scsi: Add tag in SCSI trace events

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Message-ID: <47879f7ce437dd50ee594a1b19b2b93e78968fb8.camel@wdc.com>
Date:   Mon, 16 Apr 2018 16:47:34 +0000
From:   Bart Van Assche <Bart.VanAssche@....com>
To:     "rostedt@...dmis.org" <rostedt@...dmis.org>,
        "rajatja@...gle.com" <rajatja@...gle.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "mingo@...had.com" <mingo@...had.com>,
        "jejb@...ux.vnet.ibm.com" <jejb@...ux.vnet.ibm.com>
Subject: Re: [RESEND PATCH v1 1/2] trace: events: scsi: Add tag in SCSI trace
 events

On Mon, 2018-04-16 at 09:41 -0700, Rajat Jain wrote:
> On Mon, Apr 16, 2018 at 8:28 AM, Steven Rostedt <rostedt@...dmis.org> wrote:
> > On Mon, 16 Apr 2018 14:31:49 +0000
> > "Bean Huo (beanhuo)" <beanhuo@...ron.com> wrote:
> > 
> > > Print the request tag along with other information
> > > while tracing a command.
> > > 
> > > Signed-off-by: Bean Huo <beanhuo@...ron.com>
> 
> Acked-by: Rajat Jain <rajatja@...gle.com>

This patch is not acceptable because it adds support for tag tracing to the
legacy block layer only. Any patch that adds a new feature to the legacy block
layer must also add it to blk-mq.

Bart.