linux-kernel - Re: [stable] [PATCH] block: include empty disks in /proc/diskstats

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Message-ID: <20090421215401.GA24073@hera.kernel.org>
Date:	Tue, 21 Apr 2009 21:54:01 +0000
From:	Chris Wright <chrisw@...s-sol.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Daniel Collins <solemnwarning@...emnwarning.no-ip.org>,
	Jens Axboe <jens.axboe@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org,
	stable@...nel.org
Subject: Re: [stable] [PATCH] block: include empty disks in /proc/diskstats

* Tejun Heo (tj@...nel.org) wrote:
> /proc/diskstats used to show stats for all disks whether they're
> zero-sized or not and their non-zero partitions.  Commit
> 074a7aca7afa6f230104e8e65eba3420263714a5 accidentally changed the
> behavior such that it doesn't print out zero sized disks.  This patch
> implements DISK_PITER_INCL_EMPTY_PART0 flag to partition iterator and
> uses it in diskstats_show() such that empty part0 is shown in
> /proc/diskstats.
> 
> Reported and bisectd by Dianel Collins.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Reported-by: Daniel Collins <solemnwarning@...emnwarning.no-ip.org>

looks like this isn't upstream yet.

thanks,
-chris
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