linux-kernel - Re: [PATCH v2 1/3] block: add sysfs entry for discard

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Message-ID: <20120703035924.GA6182@redhat.com>
Date:	Mon, 2 Jul 2012 23:59:24 -0400
From:	Mike Snitzer <snitzer@...hat.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	Paolo Bonzini <pbonzini@...hat.com>, linux-kernel@...r.kernel.org,
	axboe@...nel.dk, martin.petersen@...cle.com, david@...morbit.com,
	xfs@....sgi.com, dm-devel@...hat.com, hch@....de
Subject: Re: [PATCH v2 1/3] block: add sysfs entry for discard_alignment

On Mon, Jul 02 2012 at 10:34pm -0400,
Vivek Goyal <vgoyal@...hat.com> wrote:

> On Mon, Jul 02, 2012 at 03:20:23PM +0200, Paolo Bonzini wrote:
> > The next patches will actually use the alignment, expose it in sysfs
> > for ease of debugging.
> > 
> 
> Don't we already have discard_alignment exported as device attribute.
> 
> /sys/block/<dev>/discard_alignment

Yes we do.  It is documented in Documentation/ABI/testing/sysfs-block

So this patch isn't needed.
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