linux-kernel - [PATCH] btrfs - replace div_long_long

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Message-Id: <1207241496.30407.51.camel@dyn9047017100.beaverton.ibm.com>
Date:	Thu, 03 Apr 2008 08:51:36 -0800
From:	Badari Pulavarty <pbadari@...il.com>
To:	Chris Mason <chris.mason@...cle.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	btrfs-devel@....oracle.com
Subject: [PATCH] btrfs - replace div_long_long_rem()

Hi Chris,

While compiling btrfs against 2.6.25-rc8-mm1, ran into this.
div_long_long_rem() is removed in -mm. Replace with div_u64_rem().

Thanks,
Badari

div_long_long_rem() API is being removed (patch in -mm).
Replace div_long_long_rem() with div_u64_rem().

Signed-off-by: Badari Pulavarty <pbadari@...ibm.com>
---
 extent-tree.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: btrfs-0.13/extent-tree.c
===================================================================
--- btrfs-0.13.orig/extent-tree.c	2008-02-21 11:54:12.000000000 -0800
+++ btrfs-0.13/extent-tree.c	2008-04-03 07:18:04.000000000 -0800
@@ -19,6 +19,7 @@
 #include <linux/sched.h>
 #include <linux/crc32c.h>
 #include <linux/pagemap.h>
+#include <linux/math64.h>
 #include "hash.h"
 #include "ctree.h"
 #include "disk-io.h"
@@ -2653,7 +2654,7 @@
 	u64 nr = 0;
 	u64 cur_byte;
 	u64 old_size;
-	unsigned long rem;
+	u32 rem;
 	struct btrfs_block_group_cache *cache;
 	struct btrfs_block_group_item *item;
 	struct btrfs_fs_info *info = root->fs_info;
@@ -2691,7 +2692,7 @@
 				      struct btrfs_block_group_item);
 
 		btrfs_set_disk_block_group_used(leaf, item, 0);
-		div_long_long_rem(nr, 3, &rem);
+		div_u64_rem(nr, 3, &rem);
 		if (rem) {
 			btrfs_set_disk_block_group_flags(leaf, item,
 						 BTRFS_BLOCK_GROUP_DATA);


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