nilfs_bmap_propagate
int nilfs_bmap_propagate(struct nilfs_bmap *, struct buffer_head *);
err = nilfs_bmap_propagate(NILFS_I(inode)->i_bmap, bh);
return nilfs_bmap_propagate(NILFS_I(inode)->i_bmap, bh);
err = nilfs_bmap_propagate(NILFS_I(inode)->i_bmap, bh);