From: Mike Snitzer <snitzer@redhat.com>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
linux-kernel@vger.kernel.org, axboe@kernel.dk,
martin.petersen@oracle.com, david@fromorbit.com, xfs@oss.sgi.com,
dm-devel@redhat.com, hch@lst.de
Subject: Re: [PATCH v2 1/3] block: add sysfs entry for discard_alignment
Date: Mon, 2 Jul 2012 23:59:24 -0400 [thread overview]
Message-ID: <20120703035924.GA6182@redhat.com> (raw)
In-Reply-To: <20120703023442.GB3586@redhat.com>
On Mon, Jul 02 2012 at 10:34pm -0400,
Vivek Goyal <vgoyal@redhat.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.
next prev parent reply other threads:[~2012-07-03 3:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-02 13:20 [PATCH v2 0/3] block: improvements for discard alignment Paolo Bonzini
2012-07-02 13:20 ` [PATCH v2 1/3] block: add sysfs entry for discard_alignment Paolo Bonzini
2012-07-03 2:34 ` [dm-devel] " Vivek Goyal
2012-07-03 3:59 ` Mike Snitzer [this message]
2012-07-03 11:51 ` Paolo Bonzini
2012-07-03 14:00 ` Vivek Goyal
2012-07-03 14:21 ` Paolo Bonzini
2012-07-03 14:39 ` Vivek Goyal
2012-07-03 14:40 ` Paolo Bonzini
2012-07-03 14:45 ` Vivek Goyal
2012-07-02 13:20 ` [PATCH v2 2/3] block: reorganize rounding of max_discard_sectors Paolo Bonzini
2012-07-03 2:49 ` [dm-devel] " Vivek Goyal
2012-07-03 11:47 ` Paolo Bonzini
2012-07-02 13:20 ` [PATCH v2 3/3] block: split discard into aligned requests Paolo Bonzini
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