extern void ext4_da_update_reserve_space(struct inode *inode,
int used, int quota_claim);
+extern int ext4_map_inode_page(struct inode *inode, struct page *page,
extern void ext4_da_update_reserve_space(struct inode *inode,
int used, int quota_claim);
+extern int ext4_map_inode_page(struct inode *inode, struct page *page,