hfsplus_get_block
int hfsplus_get_block(struct inode *inode, sector_t iblock,
ret = blockdev_direct_IO(iocb, inode, iter, hfsplus_get_block);
return mpage_writepages(mapping, wbc, hfsplus_get_block);
return block_read_full_folio(folio, hfsplus_get_block);
hfsplus_get_block,
return generic_block_bmap(mapping, block, hfsplus_get_block);