minix_get_block
return mpage_writepages(mapping, wbc, minix_get_block);
return block_read_full_folio(folio, minix_get_block);
return __block_write_begin(folio, pos, len, minix_get_block);
ret = block_write_begin(mapping, pos, len, foliop, minix_get_block);
return generic_block_bmap(mapping,block,minix_get_block);