linux-kernel - Re: [PATCH v4 4/5] blktrace: break out of blktrace setup on concurrent calls

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Date:   Fri, 15 May 2020 19:39:53 -0600
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Bart Van Assche <bvanassche@....org>
Cc:     Jens Axboe <axboe@...nel.dk>, Al Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, Jan Kara <jack@...e.cz>,
        Ming Lei <ming.lei@...hat.com>,
        Nicolai Stange <nstange@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>, yu kuai <yukuai3@...wei.com>,
        linux-block@...r.kernel.org,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 4/5] blktrace: break out of blktrace setup on
 concurrent calls

On Mon, May 11, 2020 at 7:39 AM Luis Chamberlain <mcgrof@...nel.org> wrote:
>
> On Sat, May 09, 2020 at 06:09:38PM -0700, Bart Van Assche wrote:
> > How about using the block device name instead of the partition name in
> > the error message since the concurrency context is the block device and
> > not the partition?
>
> blk device argument can be NULL here. sg-generic is one case.

I'm going to add a comment about this, as it is easily forgotten.

  Luis