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

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Message-ID: <4FDB13B1.8040100@kernel.dk>
Date:	Fri, 15 Jun 2012 12:51:29 +0200
From:	Jens Axboe <axboe@...nel.dk>
To:	Jan Kara <jack@...e.cz>
CC:	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 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.

-- 
Jens Axboe

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