[GFS2] Remove page.[ch]

The remaining routines in page.c were all only used in one other
file, so they are now moved into the files where they are referenced
and made static. Thus page.[ch] are no longer required.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 93e00a8..fca69f1 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -27,7 +27,6 @@
 #include "log.h"
 #include "meta_io.h"
 #include "ops_address.h"
-#include "page.h"
 #include "quota.h"
 #include "trans.h"
 #include "rgrp.h"
@@ -35,6 +34,24 @@
 #include "util.h"
 #include "glops.h"
 
+
+static void gfs2_page_add_databufs(struct gfs2_inode *ip, struct page *page,
+				   unsigned int from, unsigned int to)
+{
+	struct buffer_head *head = page_buffers(page);
+	unsigned int bsize = head->b_size;
+	struct buffer_head *bh;
+	unsigned int start, end;
+
+	for (bh = head, start = 0; bh != head || !start;
+	     bh = bh->b_this_page, start = end) {
+		end = start + bsize;
+		if (end <= from || start >= to)
+			continue;
+		gfs2_trans_add_bh(ip->i_gl, bh, 0);
+	}
+}
+
 /**
  * gfs2_get_block - Fills in a buffer head with details about a block
  * @inode: The inode