linux-ext4 - Re: [PATCH] xfstests: 277 new test to check freeze/unfreeze works well or not under heavy load.

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Date:	Fri, 9 Dec 2011 18:17:00 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Masayoshi MIZUMA <m.mizuma@...fujitsu.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, xfs@....sgi.com,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] xfstests: 277 new test to check freeze/unfreeze works
 well or not under heavy load.

On Fri, Dec 09, 2011 at 02:52:31PM +0900, Masayoshi MIZUMA wrote:
> Hi,
> 
> unfreeze function, thaw_super(), sometimes hangs up if flush kernel
> thread does writeback to the same filesystem concurrently.
> (the problem is reported at
>  http://marc.info/?l=linux-ext4&m=132339590004560&w=2)
> 
> This test runs freeze/unfreeze under heavy load. If the problem is
> reproduced, this test will hang up...

This is effectively a duplicate of test 068, which is currently
described as an XFS only test. It is actually generic now that
xfs_freeze works on other filesytsems, so please update 068
appropriately rather that introducing a new test.

Cheers,

Dave

-- 
Dave Chinner
david@...morbit.com
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