From 53253383fde9e41bc07ad4d99f1c8b537fef71d6 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@woody.linux-foundation.org>
Date: Thu, 18 Oct 2007 14:47:32 -0700
Subject: [PATCH] Include <linux/backing-dev.h> in mm/filemap.c

It gets it indirectly from blkdev.h when CONFIG_BLOCK is enabled, but it
needs it unconditionally for the definition of mapping_cap_writeback_dirty.

Noticed and bisected down to 4af3c9cc4fad54c3627e9afebf905aafde5690ed
("Drop some headers from mm.h") by Avuton Olrich.

Cc: Avuton Olrich <avuton@gmail.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/filemap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/filemap.c b/mm/filemap.c
index 79f24a969cb4..920366399eed 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -25,6 +25,7 @@
 #include <linux/uio.h>
 #include <linux/hash.h>
 #include <linux/writeback.h>
+#include <linux/backing-dev.h>
 #include <linux/pagevec.h>
 #include <linux/blkdev.h>
 #include <linux/security.h>
-- 
2.30.2