__block_write_begin_int
return __block_write_begin_int(folio, pos, len, get_block, NULL);
status = __block_write_begin_int(folio, pos, len, get_block, NULL);
ret = __block_write_begin_int(folio, 0, end, get_block, NULL);
int __block_write_begin_int(struct folio *folio, loff_t pos, unsigned len,
status = __block_write_begin_int(folio, pos, len, NULL, srcmap);
ret = __block_write_begin_int(folio, iter->pos, length, NULL,