diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 9f159ba..27dd97b 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -200,7 +200,7 @@
 int generic_cont_expand(struct inode *inode, loff_t size);
 int generic_cont_expand_simple(struct inode *inode, loff_t size);
 int block_commit_write(struct page *page, unsigned from, unsigned to);
-int block_sync_page(struct page *);
+void block_sync_page(struct page *);
 sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *);
 int generic_commit_write(struct file *, struct page *, unsigned, unsigned);
 int block_truncate_page(struct address_space *, loff_t, get_block_t *);