From 5b1016e62f74c53e0330403025954c8d95384c03 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kmo@daterainc.com>
Date: Wed, 19 Mar 2014 17:49:37 -0700
Subject: [PATCH] bcache: Fix a bug when detaching

After detaching a backing device from a cache set, a bit wasn't getting
reset meaning the second detach wouldn't work correctly.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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Reading git-format-patch failed