From c73e293678fc3ec8ee9e5e275ee77dec98c4f2f1 Mon Sep 17 00:00:00 2001
From: Josef Bacik <jbacik@fusionio.com>
Date: Thu, 16 May 2013 11:14:33 -0400
Subject: [PATCH] Btrfs: do delay iput in sync_fs

We get lock inversion with umount if we allow iputs from sync_fs, so use the
delay iput flag to keep this from happening.  Thanks,

Reported-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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