From 7d8224574cbd2326a6be00f319f5f7597abec3f6 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Mon, 24 Jun 2013 12:03:57 -0400
Subject: [PATCH] NVMe: Call nvme_process_cq from submission path

Since we have the queue locked, it makes sense to check if there are
any completion queue entries on the queue before we release the lock.
If there are, it may save an interrupt and reduce latency for the I/Os
that happened to complete.  This happens fairly often for some workloads.

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