From 49f154c7327139c275c9392b5fd69cad82f106bc Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Thu, 23 Apr 2015 15:06:27 -0400
Subject: [PATCH] dm thin metadata: remove in-core 'read_only' flag

Leverage the block manager's read_only flag instead of duplicating it;
access with new dm_bm_is_read_only() method.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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