From: Andrew Morton <akpm@linux-foundation.org>

ERROR: "__udivdi3" [fs/gfs2/gfs2.ko] undefined!

This fixes the build error (faster, too) but the choice of types in there
looks fishy to me - please re-review.

Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/gfs2/ops_fstype.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff -puN fs/gfs2/ops_fstype.c~gfs2-avoid-64-bit-divide fs/gfs2/ops_fstype.c
--- a/fs/gfs2/ops_fstype.c~gfs2-avoid-64-bit-divide
+++ a/fs/gfs2/ops_fstype.c
@@ -14,6 +14,7 @@
 #include <linux/buffer_head.h>
 #include <linux/blkdev.h>
 #include <linux/kthread.h>
+#include <asm/div64.h>
 #include <linux/namei.h>
 #include <linux/mount.h>
 #include <linux/gfs2_ondisk.h>
@@ -342,11 +343,14 @@ static int map_journal_extents(struct gf
 	struct gfs2_journal_extent *jext = NULL;
 	struct buffer_head bh;
 	int rc = 0;
+	u64 last_lb;
 
 	INIT_LIST_HEAD(&jd->extent_list);
 	prev_db = 0;
 
-	for (lb = 0; lb < ip->i_di.di_size / sdp->sd_sb.sb_bsize; lb++) {
+	last_lb = ip->i_di.di_size;
+	do_div(last_lb, sdp->sd_sb.sb_bsize);
+	for (lb = 0; lb < last_lb; lb++) {
 		bh.b_state = 0;
 		bh.b_blocknr = 0;
 		bh.b_size = 1 << ip->i_inode.i_blkbits;
_