From 9f23e289edaf1e99f60de3978c50a1c7424f3e92 Mon Sep 17 00:00:00 2001
From: Josef Bacik <jbacik@fusionio.com>
Date: Mon, 28 Oct 2013 15:03:41 -0400
Subject: [PATCH] Btrfs: make sure the delalloc workers actually flush
 compressed writes

When using delalloc workers in a non-waiting way (like for enospc handling) we
can end up not actually waiting for the dirty pages to be started if we have
compression.  We need to add an extra filemap flush to make sure any async
extents that have started are actually moved along before returning.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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