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Re: long hangs when deleting large directories (3.0-rc3)

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: long hangs when deleting large directories (3.0-rc3)
From: Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>
Date: Sat, 18 Jun 2011 16:37:20 +0200
Cc: xfs@xxxxxxxxxxx
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In-reply-to: <20110618142456.GA26419@xxxxxxxxxxxxx>
References: <20110618141950.GA1685@xxxxxxxxxxxxxx> <20110618142456.GA26419@xxxxxxxxxxxxx>
On 2011.06.18 at 10:24 -0400, Christoph Hellwig wrote:
> On Sat, Jun 18, 2011 at 04:19:50PM +0200, Markus Trippelsdorf wrote:
> > Running the latest git kernel (3.0-rc3) my machine hangs for long
> > periods (1-2 sec) whenever I delete a large directory recursively on my
> > xfs partition. During the hang I cannot move the mouse pointer or use
> > the keyboard (but the music keeps playing without stuttering). A quick
> > way to reproduce is to "rm -fr" a kernel tree. 
> Does this also happen when using the deadline I/O schedule, that is
> after a:
> echo "deadline" > /sys/block/sda/queue/scheduler



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