1715 	int mp_h; /* metapath buffers are read in to this height */  in punch_hole()  local
1759 		for (mp_h = ip->i_height - 1; mp_h > 0; mp_h--) {  in punch_hole()
1760 			if (end_list[mp_h])  in punch_hole()
1763 		end_aligned = mp_h;  in punch_hole()
1769 	for (mp_h = ip->i_height - 1; mp_h > 0; mp_h--) {  in punch_hole()
1770 		if (start_list[mp_h])  in punch_hole()
1773 	start_aligned = mp_h;  in punch_hole()
1785 	for (mp_h = 0; mp_h < mp.mp_aheight - 1; mp_h++) {  in punch_hole()
1786 		metapointer_range(&mp, mp_h, start_list, start_aligned,  in punch_hole()
1805 	mp_h = strip_h;  in punch_hole()
1812 			bh = mp.mp_bh[mp_h];  in punch_hole()
1819 				       prev_bnr, ip->i_height, strip_h, mp_h);  in punch_hole()
1824 						(mp_h ? GFS2_METATYPE_IN :  in punch_hole()
1836 			metapointer_range(&mp, mp_h, start_list, start_aligned,  in punch_hole()
1839 			ret = sweep_bh_for_rgrps(ip, &rd_gh, mp.mp_bh[mp_h],  in punch_hole()
1841 						 mp_h != ip->i_height - 1,  in punch_hole()
1846 			if (ret || !mp_h) {  in punch_hole()
1858 			if (mp_h) {  in punch_hole()
1859 				brelse(mp.mp_bh[mp_h]);  in punch_hole()
1860 				mp.mp_bh[mp_h] = NULL;  in punch_hole()
1865 			if (mp_h == 0) {  in punch_hole()
1868 				mp_h = strip_h;  in punch_hole()
1872 			mp.mp_list[mp_h] = 0;  in punch_hole()
1873 			mp_h--; /* search one metadata height down */  in punch_hole()
1874 			mp.mp_list[mp_h]++;  in punch_hole()
1875 			if (walk_done(sdp, &mp, mp_h, end_list, end_aligned))  in punch_hole()
1880 			if (find_nonnull_ptr(sdp, &mp, mp_h, end_list, end_aligned)) {  in punch_hole()
1882 				mp_h++;  in punch_hole()
1891 			ret = fillup_metapath(ip, &mp, mp_h);  in punch_hole()
1918 				mp_h = mp.mp_aheight - 1;  in punch_hole()
1923 			if (find_nonnull_ptr(sdp, &mp, mp_h, end_list, end_aligned))  in punch_hole()
1924 				mp_h++;  in punch_hole()