bfs_get_block     155 fs/bfs/file.c  	return block_write_full_page(page, bfs_get_block, wbc);
bfs_get_block     160 fs/bfs/file.c  	return block_read_full_page(page, bfs_get_block);
bfs_get_block     178 fs/bfs/file.c  				bfs_get_block);
bfs_get_block     187 fs/bfs/file.c  	return generic_block_bmap(mapping, block, bfs_get_block);