bfs_get_block     160 fs/bfs/file.c  	return block_write_full_page(page, bfs_get_block, wbc);
bfs_get_block     165 fs/bfs/file.c  	return block_read_full_page(page, bfs_get_block);
bfs_get_block     174 fs/bfs/file.c  					pagep, fsdata, bfs_get_block);
bfs_get_block     179 fs/bfs/file.c  	return generic_block_bmap(mapping, block, bfs_get_block);