From a9dd53adbb84c12f769a862ba2c80404873c2c99 Mon Sep 17 00:00:00 2001
From: Gabriel de Perthuis <g2p.code@gmail.com>
Date: Sat, 4 May 2013 12:19:41 +0200
Subject: [PATCH] bcache: Warn when a device is already registered.

Signed-off-by: Gabriel de Perthuis <g2p.code+bcache@gmail.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
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Reading git-format-patch failed