taglinefilesource code
readpage432include/linux/fs.hint (*readpage) (struct inode *, struct page *);
readpage215mm/filemap.cinode->i_op->readpage(inode, page);
readpage314mm/filemap.cinode->i_op->readpage(inode, page);
readpage407mm/filemap.cinode->i_op->readpage(inode, page);
readpage715mm/filemap.cif (!inode->i_op || !inode->i_op->readpage)