From f495339c441b9a69c43327f71c23ffa7632e3020 Mon Sep 17 00:00:00 2001
From: Asaf Vertz <asaf.vertz@tandemg.com>
Date: Tue, 6 Jan 2015 15:44:15 +0200
Subject: [PATCH] dm bufio: fix time comparison to use time_after_eq()

To be future-proof and for better readability the time comparison
is modified to use time_after_eq() instead of plain, error-prone math.

Signed-off-by: Asaf Vertz <asaf.vertz@tandemg.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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