diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 992eb567cb4d..7e508e2942ca 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1533,7 +1533,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct buffer_head *di_bh = NULL;
 	handle_t *handle;
-	unsigned long long max_off = ocfs2_max_file_offset(inode->i_sb->s_blocksize_bits);
+	unsigned long long max_off = inode->i_sb->s_maxbytes;
 
 	if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb))
 		return -EROFS;
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 200c7d4790dc..a100b488533e 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -319,7 +319,7 @@ static void ocfs2_destroy_inode(struct inode *inode)
 /* From xfs_super.c:xfs_max_file_offset
  * Copyright (c) 2000-2004 Silicon Graphics, Inc.
  */
-unsigned long long ocfs2_max_file_offset(unsigned int blockshift)
+static unsigned long long ocfs2_max_file_offset(unsigned int blockshift)
 {
 	unsigned int pagefactor = 1;
 	unsigned int bitshift = BITS_PER_LONG - 1;
diff --git a/fs/ocfs2/super.h b/fs/ocfs2/super.h
index 3b9cb3d0b008..783f5270f2a1 100644
--- a/fs/ocfs2/super.h
+++ b/fs/ocfs2/super.h
@@ -45,6 +45,4 @@ void __ocfs2_abort(struct super_block *sb,
 
 #define ocfs2_abort(sb, fmt, args...) __ocfs2_abort(sb, __PRETTY_FUNCTION__, fmt, ##args)
 
-unsigned long long ocfs2_max_file_offset(unsigned int blockshift);
-
 #endif /* OCFS2_SUPER_H */