From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Sun, 6 Feb 2011 12:53:23 +0000 (-0500)
Subject: NVMe: Use a symbolic name to represent cancelled commands instead of 0
X-Git-Tag: v3.3-rc1~16^2~75
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be7b62754e097adc0cb16c25c9ee86ee20de62fb;p=pandora-kernel.git

NVMe: Use a symbolic name to represent cancelled commands instead of 0

I have plans for other special values in sync_completion.  Plus, this
is more self-documenting, and lets us detect bogus usages.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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