linux-kernel - Re: [LTP] [xfs] 73e5fff98b: kmsg.dev/zero:Can't_open

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Message-ID: <975334005.11814790.1573625805426.JavaMail.zimbra@redhat.com>
Date:   Wed, 13 Nov 2019 01:16:45 -0500 (EST)
From:   Jan Stancek <jstancek@...hat.com>
To:     Ian Kent <raven@...maw.net>,
        kernel test robot <rong.a.chen@...el.com>
Cc:     Christoph Hellwig <hch@....de>,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        LKML <linux-kernel@...r.kernel.org>, linux-xfs@...r.kernel.org,
        lkp@...ts.01.org, ltp@...ts.linux.it,
        DavidHowells <dhowells@...hat.com>,
        AlViro <viro@...IV.linux.org.uk>
Subject: Re: [LTP] [xfs] 73e5fff98b: kmsg.dev/zero:Can't_open_blockdev



----- Original Message -----
> > > > # mount -t xfs /dev/zero /mnt/xfs
> > 
> > Assuming that is what is being done ...
> 
> Arrrh, of course, a difference between get_tree_bdev() and
> mount_bdev() is that get_tree_bdev() prints this message when
> blkdev_get_by_path() fails whereas mount_bdev() doesn't.
> 
> Both however do return an error in this case so the behaviour
> is the same.
> 
> So I'm calling this not a problem with the subject patch.
> 
> What needs to be done to resolve this in ltp I don't know?

I think that's question for kernel test robot, which has this extra
check built on top. ltp itself doesn't treat this extra message as FAIL.

Jan