f2fs_get_new_data_folio
dentry_folio = f2fs_get_new_data_folio(inode, folio, 0, true);
dentry_folio = f2fs_get_new_data_folio(dir, NULL, block, true);
struct folio *f2fs_get_new_data_folio(struct inode *inode,
folio = f2fs_get_new_data_folio(inode, NULL, index, false);
fdst = f2fs_get_new_data_folio(dst_inode, NULL, dst + i,