File 2004-compat-define-DIV_ROUND_UP-if-not-already-defined.patch of Package btrfsprogs.602

From d841c884d93380621cb379efb736cf4466e4ff81 Mon Sep 17 00:00:00 2001
From: Jeff Mahoney <jeffm@suse.com>
Date: Wed, 14 Aug 2013 14:21:54 -0400
Subject: [PATCH 05/10] compat: define DIV_ROUND_UP if not already defined

DIV_ROUND_UP may not be defined, so define it if it's not already.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
---
 bitops.h |    4 ++++
 1 file changed, 4 insertions(+)

--- a/bitops.h
+++ b/bitops.h
@@ -3,6 +3,10 @@
 
 #include <linux/kernel.h>
 
+#ifndef DIV_ROUND_UP
+#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
+#endif
+
 #define BITS_PER_BYTE           8
 #define BITS_TO_LONGS(nr)       DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
 #define BITS_TO_U64(nr)         DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(u64))