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Re: review: xfstests/192 atime test

To: Timothy Shimmin <tes@xxxxxxx>
Subject: Re: review: xfstests/192 atime test
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Wed, 12 Nov 2008 09:38:10 +1100
Cc: xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <49192204.3040300@xxxxxxx>
Mail-followup-to: Timothy Shimmin <tes@xxxxxxx>, xfs-oss <xfs@xxxxxxxxxxx>
References: <49192204.3040300@xxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
On Tue, Nov 11, 2008 at 05:11:16PM +1100, Timothy Shimmin wrote:
> Attached simple atime test.
> 192.out and group file would be added appropriately.
> Thanks.
> --Tim

> _supported_fs xfs udf nfs
> _supported_os Linux
> delay=150

150s sleep? It only needs a few seconds for this test.

> time3=`_access_time $testfile | tee -a $seq.full`
> 
> delta1=`expr $time2 - $time1`
> delta2=`expr $time3 - $time1`
> 
> echo "delta1 - access time after sleep in-core: $delta1"
> echo "delta2 - access time after sleep on-disk: $delta2"

Why bother with deltas? if the numbers are the same, just output
"same", if they are different, output "different"....

FWIW, is there a patch being proposed that fixes this problem?

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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