736 	struct page *ipage;  in logfs_read_loop()  local
748 		ipage = logfs_get_page(inode, bix, level, rw_context);  in logfs_read_loop()
749 		if (!ipage)  in logfs_read_loop()
752 		ret = logfs_segment_read(inode, ipage, bofs, bix, level);  in logfs_read_loop()
754 			logfs_put_read_page(ipage);  in logfs_read_loop()
758 		bofs = block_get_pointer(ipage, get_bits(bix, SUBLEVEL(level)));  in logfs_read_loop()
759 		logfs_put_page(ipage, rw_context);  in logfs_read_loop()
783 	struct page *ipage;  in logfs_exist_loop()  local
791 		ipage = logfs_get_read_page(inode, bix, level);  in logfs_exist_loop()
792 		if (!ipage)  in logfs_exist_loop()
795 		ret = logfs_segment_read(inode, ipage, bofs, bix, level);  in logfs_exist_loop()
797 			logfs_put_read_page(ipage);  in logfs_exist_loop()
801 		bofs = block_get_pointer(ipage, get_bits(bix, SUBLEVEL(level)));  in logfs_exist_loop()
802 		logfs_put_read_page(ipage);  in logfs_exist_loop()
1422 	struct page *ipage;  in __logfs_write_rec()  local
1427 	ipage = logfs_get_write_page(inode, bix, level);  in __logfs_write_rec()
1428 	if (!ipage)  in __logfs_write_rec()
1432 		ret = logfs_segment_read(inode, ipage, this_wc->ofs, bix, level);  in __logfs_write_rec()
1435 	} else if (!PageUptodate(ipage)) {  in __logfs_write_rec()
1437 		logfs_read_empty(ipage);  in __logfs_write_rec()
1440 	child_wc.ofs = block_get_pointer(ipage, child_no);  in __logfs_write_rec()
1451 	alloc_indirect_block(inode, ipage, page_empty);  in __logfs_write_rec()
1452 	block_set_pointer(ipage, child_no, child_wc.ofs);  in __logfs_write_rec()
1454 	if (child_wc.ofs || logfs_block(ipage)->partial)  in __logfs_write_rec()
1458 	if (!this_wc->ofs || ptr_change(this_wc->ofs, ipage))  in __logfs_write_rec()
1459 		ret = logfs_write_i0(inode, ipage, this_wc);  in __logfs_write_rec()
1461 		logfs_set_alias(inode->i_sb, logfs_block(ipage), child_no);  in __logfs_write_rec()
1463 	logfs_put_write_page(ipage);  in __logfs_write_rec()
1765 static int __logfs_truncate_rec(struct inode *inode, struct page *ipage,  in __logfs_truncate_rec()  argument
1775 	logfs_unpack_raw_index(ipage->index, &bix, &level);  in __logfs_truncate_rec()
1776 	err = logfs_segment_read(inode, ipage, this_wc->ofs, bix, level);  in __logfs_truncate_rec()
1786 		child_wc.ofs = pure_ofs(block_get_pointer(ipage, e));  in __logfs_truncate_rec()
1803 		alloc_indirect_block(inode, ipage, 0);  in __logfs_truncate_rec()
1804 		block_set_pointer(ipage, e, child_wc.ofs);  in __logfs_truncate_rec()
1808 		printk("ineffectual truncate (%lx, %lx, %llx)\n", inode->i_ino, ipage->index, size);  in __logfs_truncate_rec()
1813 	if (logfs_block(ipage)->partial)  in __logfs_truncate_rec()
1816 	return logfs_write_i0(inode, ipage, this_wc);  in __logfs_truncate_rec()