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Date: Fri, 04 May 2012 15:08:01 +0200 From: Paolo Bonzini <pbonzini@...hat.com> To: Mark Lord <kernel@...savvy.com> CC: Alan Cox <alan@...rguk.ukuu.org.uk>, Jan Kara <jack@...e.cz>, Jens Axboe <axboe@...nel.dk>, LKML <linux-kernel@...r.kernel.org>, James Bottomley <JBottomley@...allels.com>, linux-scsi@...r.kernel.org Subject: Re: [PATCH] scsi: Silence unnecessary warnings about ioctl to partition Il 04/05/2012 15:06, Mark Lord ha scritto: >> > I said which ioctls, not which options. I.e. cut-and-paste from dmesg. > Here are some: Thanks! > 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. Ok, so hdparm is not broken. My patch (which left the warning only for SG_IO, and failed all other ioctls) would have worked, too. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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