From e80da86447174b583e4b6cebedae2956fac926ee Mon Sep 17 00:00:00 2001
From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Tue, 14 Jul 2015 14:15:13 -0700
Subject: [PATCH] Linux 4.2 compat: bdi_setup_and_register()

The vfs_compat.h header should include the linux/backing-dev.h header
because it depends on the bdi_* functions defined there.  In previous
kernels this header was being indirectly included which prevented a
build failure.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Closes #3596
---
 include/linux/vfs_compat.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/vfs_compat.h b/include/linux/vfs_compat.h
index e8f844841..40832d9dd 100644
--- a/include/linux/vfs_compat.h
+++ b/include/linux/vfs_compat.h
@@ -28,6 +28,7 @@
 #define	_ZFS_VFS_H
 
 #include <sys/taskq.h>
+#include <linux/backing-dev.h>
 
 /*
  * 2.6.28 API change,