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Re: [PATCH] xfs: introduce object readahead to log recovery

To: Zhi Yong Wu <zwu.kernel@xxxxxxxxx>
Subject: Re: [PATCH] xfs: introduce object readahead to log recovery
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Mon, 29 Jul 2013 12:45:46 +1000
Cc: xfstests <xfs@xxxxxxxxxxx>, "linux-fsdevel@xxxxxxxxxxxxxxx" <linux-fsdevel@xxxxxxxxxxxxxxx>, linux-kernel mlist <linux-kernel@xxxxxxxxxxxxxxx>, Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <CAEH94Ljpih875VOEdCY9Z9CdMF_1DesW7dsz_k7Zm=xt165w5A@xxxxxxxxxxxxxx>
References: <1374740619-29797-1-git-send-email-zwu.kernel@xxxxxxxxx> <20130726025009.GE21982@dastard> <CAEH94Lh-UCCEs7hQi_t5v+X+ER1DH9dCtjr6e9GVNX5KJ-f1hQ@xxxxxxxxxxxxxx> <20130726113521.GM13468@dastard> <CAEH94Ljpih875VOEdCY9Z9CdMF_1DesW7dsz_k7Zm=xt165w5A@xxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Mon, Jul 29, 2013 at 09:38:11AM +0800, Zhi Yong Wu wrote:
> By the way, how do you try the workload which has nothing but dirty
> dquote objects?

Create quota limits for non-existent users. That will allocate the
dquots and dirty them.

Or if you already have a few hundred thousand dquots, just change
the limits on them all to get them logged and dirty...

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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