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

[Mark Lord <kernel@xxxxxxxxxxxx>]

On 12-05-04 02:39 AM, Paolo Bonzini wrote:
> Il 03/05/2012 19:36, Mark Lord ha scritto:
>
>>>>>> Dunno which flags, I'm just ignoring them and waiting
>>>>>> for the noise message to get reverted.
> 
> I said which ioctls, not which options.  I.e. cut-and-paste from dmesg.

Here are some:


messages.1:Apr 28 14:08:09 zbox5 kernel: [  268.800536] hdparm: sending ioctl 330 to a partition!
messages.1:Apr 28 14:08:09 zbox5 kernel: [  268.800547] hdparm: sending ioctl 330 to a partition!
messages.1:Apr 28 14:08:57 zbox5 kernel: [  316.413944] hdparm: sending ioctl 330 to a partition!
messages.1:Apr 28 14:08:57 zbox5 kernel: [  316.413951] hdparm: sending ioctl 330 to a partition!
messages.1:Apr 28 14:20:10 zbox5 kernel: [  989.525085] hdparm: sending ioctl 330 to a partition!
messages.1:Apr 28 14:20:10 zbox5 kernel: [  989.525093] hdparm: sending ioctl 330 to a partition!

The in <linux/hdreg.h> say this about 330:

...
/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
...

So it's HDIO_GETGEO_BIG, which doesn't exist in newer kernels.
I wonder when that got removed?  Minor userspace breakage there.

hdparm issues it first as a backward-compatibility thing,
before falling back to the even-more obsolete HDIO_GETGEO,
which curiously enough is still in modern kernels.

Cheers
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