From: Mark Lord <kernel@teksavvy.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Jan Kara <jack@suse.cz>,
Jens Axboe <axboe@kernel.dk>, LKML <linux-kernel@vger.kernel.org>,
James Bottomley <JBottomley@parallels.com>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH] scsi: Silence unnecessary warnings about ioctl to partition
Date: Thu, 03 May 2012 13:36:05 -0400 [thread overview]
Message-ID: <4FA2C205.3030801@teksavvy.com> (raw)
In-Reply-To: <4FA27E7C.6070802@redhat.com>
On 12-05-03 08:47 AM, Paolo Bonzini wrote:
> Il 03/05/2012 14:40, Mark Lord ha scritto:
>>>>
>>>> Breaking "hdparm --write-sector /dev/sda1"? I call it a security fix.
>> No, that would plain stupid on both our parts. :)
>> The --write-sector flag is allowed only for non-partitions by hdparm itself.
>
> Excuse my laziness--how does it check?
I don't know if there's a feasible fool-proof method or not.
But what hdparm does is look at the sector offset of the device.
Partitions normally have a non-zero offset.
>> But other flags commonly used by distros at boot time
>> seem to be triggering the current in-kernel noise.
>> Dunno which flags, I'm just ignoring them and waiting
>> for the noise message to get reverted.
>
> That's exactly the behavior I hoped to get when I added the warnings.
> Or maybe not. :) What are the messages?
> i.e. what ioctl do they complain about?
As above:
>> Dunno which flags, I'm just ignoring them and waiting
>> for the noise message to get reverted.
next prev parent reply other threads:[~2012-05-03 17:36 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 10:10 [PATCH] scsi: Silence unnecessary warnings about ioctl to partition Jan Kara
2012-05-02 10:10 ` Jan Kara
2012-05-02 10:15 ` Paolo Bonzini
2012-05-02 10:37 ` Jens Axboe
2012-05-02 10:54 ` Alan Cox
2012-05-02 11:02 ` Paolo Bonzini
2012-05-02 11:12 ` Alan Cox
2012-05-02 11:24 ` Paolo Bonzini
2012-05-02 12:05 ` Alan Cox
2012-05-02 12:23 ` Paolo Bonzini
2012-05-02 19:38 ` Mark Lord
2012-05-03 7:47 ` Paolo Bonzini
2012-05-03 12:40 ` Mark Lord
2012-05-03 12:47 ` Paolo Bonzini
2012-05-03 17:36 ` Mark Lord [this message]
2012-05-04 6:39 ` Paolo Bonzini
2012-05-04 13:06 ` Mark Lord
2012-05-04 13:08 ` Paolo Bonzini
2012-05-04 13:11 ` Mark Lord
2012-05-04 13:24 ` Mark Lord
2012-05-02 13:51 ` Jan Kara
2012-05-02 13:59 ` Paolo Bonzini
2012-05-02 15:10 ` Alan Cox
2012-05-02 15:49 ` Paolo Bonzini
2012-05-02 20:49 ` Paolo Bonzini
2012-05-02 19:49 ` Jan Kara
2012-05-02 21:16 ` Paolo Bonzini
2012-06-15 8:14 ` Paolo Bonzini
2012-06-15 8:46 ` Jan Kara
-- strict thread matches above, loose matches on Subject: below --
2012-06-15 10:50 Jan Kara
2012-06-15 10:50 ` Jan Kara
2012-06-15 10:51 ` Jens Axboe
2012-06-15 13:58 ` Nick Bowler
2012-06-15 14:22 ` Paolo Bonzini
2012-06-15 14:23 ` Jan Kara
2012-06-15 14:31 ` Nick Bowler
2012-06-15 11:00 ` Alan Cox
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