linux-ext4 - Re: [PATCH, RFC] Don't do page stablization if !CONFIG_BLKDEV

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Message-ID: <4F581BF6.8000305@zabbo.net>
Date:	Wed, 07 Mar 2012 21:39:50 -0500
From:	Zach Brown <zab@...bo.net>
To:	Eric Sandeen <sandeen@...hat.com>
CC:	Theodore Ts'o <tytso@....edu>, linux-fsdevel@...r.kernel.org,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH, RFC] Don't do page stablization if !CONFIG_BLKDEV_INTEGRITY


> Can you devise a non-secret testcase that demonstrates this?

Hmm.  I bet you could get fio to do it.  Giant file, random mmap()
writes, spin until the CPU overwhelms writeback?

- z
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