From e6d15f79f997a98b3a69abbc462fc9041cc1a7b4 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Thu, 24 Feb 2011 08:49:41 -0500
Subject: [PATCH] NVMe: Reduce maximum queue depth by 1

The spec says we're not allowed to completely fill the submission queue.
Solve this by reducing the number of allocatable cmdids by 1.

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