linux-kernel - Re: [PATCH] scsi: Silence unnecessary warnings about ioctl to partition

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Message-ID: <20120615135825.GA12847@elliptictech.com>
Date:	Fri, 15 Jun 2012 09:58:25 -0400
From:	Nick Bowler <nbowler@...iptictech.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	Jan Kara <jack@...e.cz>, LKML <linux-kernel@...r.kernel.org>,
	linux-scsi@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
	James Bottomley <JBottomley@...allels.com>
Subject: Re: [PATCH] scsi: Silence unnecessary warnings about ioctl to
 partition

On 2012-06-15 12:51 +0200, Jens Axboe wrote:
> On 06/15/2012 12:50 PM, Jan Kara wrote:
> > Sometimes, warnings about ioctls to partition happen often enough that they
> > form majority of the warnings in the kernel log and users complain. In some
> > cases warnings are about ioctls such as SG_IO so it's not good to get rid of
> > the warnings completely as they can ease debugging of userspace problems
> > when ioctl is refused.
> > 
> > Since I have seen warnings from lots of commands, including some proprietary
> > userspace applications, I don't think disallowing the ioctls for processes
> > with CAP_SYS_RAWIO will happen in the near future if ever. So lets just
> > stop warning for processes with CAP_SYS_RAWIO for which ioctl is allowed.
> 
> Agree, merged, finally.

Hurray!

This should be -stable material as well, as >=3.2.y kernel versions are
affected (I think 3.0.y is OK?).

Thanks,
-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)

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