From 88a6621bed65ce2d421a808a2f60e1b64914d777 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Wed, 4 Dec 2013 20:16:12 -0500
Subject: [PATCH] dm thin: factor out check_low_water_mark and use bools

Factor check_low_water_mark() out of alloc_data_block().
Change a couple unsigned flags in the pool structure to bool.

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