Re: [v3.16][v3.17][v3.18][ Regression] scsi: handle flush errors properly

From: James Bottomley
Date: Wed Dec 10 2014 - 23:45:39 EST

On Wed, 2014-12-10 at 17:08 -0500, Joseph Salisbury wrote:
> Hello James,
> A kernel bug report was opened against Ubuntu [0]. After a kernel
> bisect, it was found that reverting the following commit resolved this bug:

If I read this bug report correctly, it's saying a USB attached device
produces an error when doing a "shred" but the same device PCI attached
doesn't. Presumably shred sends some type of zero length command USB
storage doesn't like. What is shred actually doing (what commands is it


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