linux-ext4 - Re: [PATCH] ext4: ratelimit the file system mounted message

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Date:	Mon, 17 Aug 2015 21:18:07 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Dave Chinner <david@...morbit.com>
Cc:	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	Eryu Guan <eguan@...hat.com>, fstests@...r.kernel.org
Subject: Re: [PATCH] ext4: ratelimit the file system mounted message

On Tue, Aug 18, 2015 at 09:07:52AM +1000, Dave Chinner wrote:
> Yup. A lot of regression tests get written to tick a process box
> (i.e. did we fix regression X?), not because they provide on-going
> value to prevent future regressions. I try to push back against
> tests that won't provide us with useful protection against future
> regressions....

Yeah, that wasn't the case here.  The bug was fixed by Salman Qazi at
Google in May 2012.  The test was created by Eryu nearly a year later
in April 2013.

> Rather than time limiting, how about bounding the number of
> mount/unmount cycles?

Sure, that makes sense.

						- Ted
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