Re: [RFC] block integrity: Fix write after checksum calculationproblem

From: Christoph Hellwig
Date: Mon Feb 28 2011 - 03:49:50 EST

On Tue, Feb 22, 2011 at 09:13:49AM -0700, Andreas Dilger wrote:
> Can you please attach your reproducer? IIRC it needed mmap() to hit this problem? Did you measure CPU usage during your testing?

Running XFSQA on a DIF target reproduces it. Even scsi_debug in the
right mode is enough.

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