1562 		ex->fe_len = 0;  in mb_find_extent()
1572 	ex->fe_len = 1 << order;  in mb_find_extent()
1578 	ex->fe_len -= next;  in mb_find_extent()
1581 	while (needed > ex->fe_len &&  in mb_find_extent()
1594 		ex->fe_len += 1 << order;  in mb_find_extent()
1597 	if (ex->fe_start + ex->fe_len > EXT4_CLUSTERS_PER_GROUP(e4b->bd_sb)) {  in mb_find_extent()
1604 			ex->fe_len, ex->fe_logical);  in mb_find_extent()
1605 		ex->fe_len = 0;  in mb_find_extent()
1609 	return ex->fe_len;  in mb_find_extent()
1619 	int len = ex->fe_len;  in mb_mark_used()
1700 	ac->ac_b_ex.fe_len = min(ac->ac_b_ex.fe_len, ac->ac_g_ex.fe_len);  in ext4_mb_use_best_found()
1735 	if (ac->ac_o_ex.fe_len < ac->ac_b_ex.fe_len)  in ext4_mb_use_best_found()
1764 	if (bex->fe_len < gex->fe_len)  in ext4_mb_check_limits()
1772 		max = mb_find_extent(e4b, bex->fe_start, gex->fe_len, &ex);  in ext4_mb_check_limits()
1773 		if (max >= gex->fe_len) {  in ext4_mb_check_limits()
1797 	BUG_ON(ex->fe_len <= 0);  in ext4_mb_measure_extent()
1798 	BUG_ON(ex->fe_len > EXT4_CLUSTERS_PER_GROUP(ac->ac_sb));  in ext4_mb_measure_extent()
1816 	if (ex->fe_len == gex->fe_len) {  in ext4_mb_measure_extent()
1825 	if (bex->fe_len == 0) {  in ext4_mb_measure_extent()
1833 	if (bex->fe_len < gex->fe_len) {  in ext4_mb_measure_extent()
1836 		if (ex->fe_len > bex->fe_len)  in ext4_mb_measure_extent()
1838 	} else if (ex->fe_len > gex->fe_len) {  in ext4_mb_measure_extent()
1842 		if (ex->fe_len < bex->fe_len)  in ext4_mb_measure_extent()
1858 	BUG_ON(ex.fe_len <= 0);  in ext4_mb_try_best_found()
1864 	max = mb_find_extent(e4b, ex.fe_start, ex.fe_len, &ex);  in ext4_mb_try_best_found()
1904 			     ac->ac_g_ex.fe_len, &ex);  in ext4_mb_find_by_goal()
1907 	if (max >= ac->ac_g_ex.fe_len && ac->ac_g_ex.fe_len == sbi->s_stripe) {  in ext4_mb_find_by_goal()
1918 	} else if (max >= ac->ac_g_ex.fe_len) {  in ext4_mb_find_by_goal()
1919 		BUG_ON(ex.fe_len <= 0);  in ext4_mb_find_by_goal()
1928 		BUG_ON(ex.fe_len <= 0);  in ext4_mb_find_by_goal()
1976 		ac->ac_b_ex.fe_len = 1 << i;  in ext4_mb_simple_scan_group()
1982 		BUG_ON(ac->ac_f_ex.fe_len != ac->ac_g_ex.fe_len);  in ext4_mb_simple_scan_group()
2030 		mb_find_extent(e4b, i, ac->ac_g_ex.fe_len, &ex);  in ext4_mb_complex_scan_group()
2031 		if (WARN_ON(ex.fe_len <= 0))  in ext4_mb_complex_scan_group()
2033 		if (free < ex.fe_len) {  in ext4_mb_complex_scan_group()
2037 					free, ex.fe_len);  in ext4_mb_complex_scan_group()
2050 		i += ex.fe_len;  in ext4_mb_complex_scan_group()
2051 		free -= ex.fe_len;  in ext4_mb_complex_scan_group()
2133 		if (free < ac->ac_g_ex.fe_len)  in ext4_mb_good_group()
2144 		if ((free / fragments) >= ac->ac_g_ex.fe_len)  in ext4_mb_good_group()
2148 		if (free >= ac->ac_g_ex.fe_len)  in ext4_mb_good_group()
2180 	if (cr <= 2 && free < ac->ac_g_ex.fe_len)  in ext4_mb_good_group_nolock()
2333 	i = fls(ac->ac_g_ex.fe_len);  in ext4_mb_regular_allocator()
2346 		if ((ac->ac_g_ex.fe_len & (~(1 << (i - 1)))) == 0)  in ext4_mb_regular_allocator()
2438 					!(ac->ac_g_ex.fe_len % sbi->s_stripe))  in ext4_mb_regular_allocator()
2451 	if (ac->ac_b_ex.fe_len > 0 && ac->ac_status != AC_STATUS_FOUND &&  in ext4_mb_regular_allocator()
2467 				 ac->ac_b_ex.fe_len, lost);  in ext4_mb_regular_allocator()
2471 			ac->ac_b_ex.fe_len = 0;  in ext4_mb_regular_allocator()
2483 		 ac->ac_b_ex.fe_len, ac->ac_o_ex.fe_len, ac->ac_status,  in ext4_mb_regular_allocator()
3208 	BUG_ON(ac->ac_b_ex.fe_len <= 0);  in ext4_mb_mark_diskspace_used()
3240 	len = EXT4_C2B(sbi, ac->ac_b_ex.fe_len);  in ext4_mb_mark_diskspace_used()
3250 			      ac->ac_b_ex.fe_len);  in ext4_mb_mark_diskspace_used()
3262 		for (i = 0; i < ac->ac_b_ex.fe_len; i++) {  in ext4_mb_mark_diskspace_used()
3269 		      ac->ac_b_ex.fe_len);  in ext4_mb_mark_diskspace_used()
3277 	len = ext4_free_group_clusters(sb, gdp) - ac->ac_b_ex.fe_len;  in ext4_mb_mark_diskspace_used()
3283 	percpu_counter_sub(&sbi->s_freeclusters_counter, ac->ac_b_ex.fe_len);  in ext4_mb_mark_diskspace_used()
3295 		atomic64_sub(ac->ac_b_ex.fe_len,  in ext4_mb_mark_diskspace_used()
3429 	ac->ac_g_ex.fe_len = EXT4_SB(sb)->s_mb_group_prealloc;  in ext4_mb_normalize_group_request()
3430 	mb_debug(sb, "goal %u blocks for locality group\n", ac->ac_g_ex.fe_len);  in ext4_mb_normalize_group_request()
3473 	size = ac->ac_o_ex.fe_logical + EXT4_C2B(sbi, ac->ac_o_ex.fe_len);  in ext4_mb_normalize_request()
3510 	} else if (NRL_CHECK_SIZE(ac->ac_o_ex.fe_len,  in ext4_mb_normalize_request()
3518 					      ac->ac_o_ex.fe_len) << bsbits;  in ext4_mb_normalize_request()
3619 	ac->ac_g_ex.fe_len = EXT4_NUM_B2C(sbi, size);  in ext4_mb_normalize_request()
3645 	if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) {  in ext4_mb_collect_stats()
3647 		atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);  in ext4_mb_collect_stats()
3648 		if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len)  in ext4_mb_collect_stats()
3677 		if (ac->ac_f_ex.fe_len == 0)  in ext4_discard_allocated_blocks()
3691 			       ac->ac_f_ex.fe_len);  in ext4_discard_allocated_blocks()
3697 		pa->pa_free += ac->ac_b_ex.fe_len;  in ext4_discard_allocated_blocks()
3714 		  start + EXT4_C2B(sbi, ac->ac_o_ex.fe_len));  in ext4_mb_use_inode_pa()
3718 	ac->ac_b_ex.fe_len = len;  in ext4_mb_use_inode_pa()
3736 	unsigned int len = ac->ac_o_ex.fe_len;  in ext4_mb_use_group_pa()
3741 	ac->ac_b_ex.fe_len = len;  in ext4_mb_use_group_pa()
3840 	order  = fls(ac->ac_o_ex.fe_len) - 1;  in ext4_mb_use_preallocated()
3856 					pa->pa_free >= ac->ac_o_ex.fe_len) {  in ext4_mb_use_preallocated()
4041 	BUG_ON(ac->ac_o_ex.fe_len >= ac->ac_b_ex.fe_len);  in ext4_mb_new_inode_pa()
4048 	if (ac->ac_b_ex.fe_len < ac->ac_g_ex.fe_len) {  in ext4_mb_new_inode_pa()
4058 		BUG_ON(ac->ac_g_ex.fe_len < ac->ac_o_ex.fe_len);  in ext4_mb_new_inode_pa()
4066 		wins = EXT4_C2B(sbi, ac->ac_b_ex.fe_len - ac->ac_o_ex.fe_len);  in ext4_mb_new_inode_pa()
4072 			EXT4_C2B(sbi, ac->ac_b_ex.fe_len);  in ext4_mb_new_inode_pa()
4079 		BUG_ON(ac->ac_o_ex.fe_len > ac->ac_b_ex.fe_len);  in ext4_mb_new_inode_pa()
4088 	pa->pa_len = ac->ac_b_ex.fe_len;  in ext4_mb_new_inode_pa()
4129 	BUG_ON(ac->ac_o_ex.fe_len >= ac->ac_b_ex.fe_len);  in ext4_mb_new_group_pa()
4142 	pa->pa_len = ac->ac_b_ex.fe_len;  in ext4_mb_new_group_pa()
4552 			(unsigned long)ac->ac_o_ex.fe_len,  in ext4_mb_show_ac()
4556 			(unsigned long)ac->ac_g_ex.fe_len,  in ext4_mb_show_ac()
4560 			(unsigned long)ac->ac_b_ex.fe_len,  in ext4_mb_show_ac()
4597 	size = ac->ac_o_ex.fe_logical + EXT4_C2B(sbi, ac->ac_o_ex.fe_len);  in ext4_mb_group_or_file()
4668 	ac->ac_o_ex.fe_len = len;  in ext4_mb_initialize_context()
4851 			pa->pa_pstart += EXT4_C2B(sbi, ac->ac_b_ex.fe_len);  in ext4_mb_release_context()
4852 			pa->pa_lstart += EXT4_C2B(sbi, ac->ac_b_ex.fe_len);  in ext4_mb_release_context()
4853 			pa->pa_free -= ac->ac_b_ex.fe_len;  in ext4_mb_release_context()
4854 			pa->pa_len -= ac->ac_b_ex.fe_len;  in ext4_mb_release_context()
4928 	freed = ext4_mb_discard_preallocations(sb, ac->ac_o_ex.fe_len);  in ext4_mb_discard_preallocations_should_retry()
5052 			ac->ac_o_ex.fe_len >= ac->ac_f_ex.fe_len)  in ext4_mb_new_blocks()
5062 			ar->len = ac->ac_b_ex.fe_len;  in ext4_mb_new_blocks()
5078 		ac->ac_b_ex.fe_len = 0;  in ext4_mb_new_blocks()
5739 	ex.fe_len = count;  in ext4_trim_extent()
5749 	mb_free_blocks(NULL, e4b, start, ex.fe_len);  in ext4_trim_extent()