linux-kernel - Re: [PATCH 2/4 v2] brd: Add getgeo to block ops

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Date:	Thu, 07 Aug 2014 23:58:24 -0700
From:	Davidlohr Bueso <davidlohr@...com>
To:	Boaz Harrosh <boaz@...xistor.com>
Cc:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Jens Axboe <axboe@...nel.dk>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>,
	Matthew Wilcox <willy@...ux.intel.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH 2/4 v2] brd: Add getgeo to block ops

On Fri, 2014-08-08 at 09:52 +0300, Boaz Harrosh wrote:
> On Thu, Aug 7, 2014 at 9:20 PM, One Thousand Gnomes
> <gnomes@...rguk.ukuu.org.uk> wrote:
> > On Thu, 07 Aug 2014 17:03:08 +0300
> > Boaz Harrosh <boaz@...xistor.com> wrote:
> >
> >> From: Boaz Harrosh <boaz@...xistor.com>
> >>
> >> Some programs like fdisk, require HDIO_GETGEO to work, which requires we
> >> implement getgeo.
> >>
> >> We set all hd_geometry members to 1, because this way fdisk
> >> math will not try its crazy geometry math and get stuff totally wrong.
> >
> > If you are running a new storage system for god sake don't use DOS
> > partitioning, use GPT or something sane.
> >
> 
> I am always using GPT, on all my systems for few years now.
> Fdisk  works exactly the same, regardless of format, regarding alignment
> and start sectors.

Yes, fdisk now supports GPT, for about the past two years now. In fact
it has been completely rewritten.

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