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()
1603 			   ex->fe_len, ex->fe_logical);  in mb_find_extent()
1604 		ex->fe_len = 0;  in mb_find_extent()
1608 	return ex->fe_len;  in mb_find_extent()
1618 	int len = ex->fe_len;  in mb_mark_used()
1699 	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()
1734 	if (ac->ac_o_ex.fe_len < ac->ac_b_ex.fe_len)  in ext4_mb_use_best_found()
1763 	if (bex->fe_len < gex->fe_len)  in ext4_mb_check_limits()
1771 		max = mb_find_extent(e4b, bex->fe_start, gex->fe_len, &ex);  in ext4_mb_check_limits()
1772 		if (max >= gex->fe_len) {  in ext4_mb_check_limits()
1796 	BUG_ON(ex->fe_len <= 0);  in ext4_mb_measure_extent()
1797 	BUG_ON(ex->fe_len > EXT4_CLUSTERS_PER_GROUP(ac->ac_sb));  in ext4_mb_measure_extent()
1815 	if (ex->fe_len == gex->fe_len) {  in ext4_mb_measure_extent()
1824 	if (bex->fe_len == 0) {  in ext4_mb_measure_extent()
1832 	if (bex->fe_len < gex->fe_len) {  in ext4_mb_measure_extent()
1835 		if (ex->fe_len > bex->fe_len)  in ext4_mb_measure_extent()
1837 	} else if (ex->fe_len > gex->fe_len) {  in ext4_mb_measure_extent()
1841 		if (ex->fe_len < bex->fe_len)  in ext4_mb_measure_extent()
1857 	BUG_ON(ex.fe_len <= 0);  in ext4_mb_try_best_found()
1863 	max = mb_find_extent(e4b, ex.fe_start, ex.fe_len, &ex);  in ext4_mb_try_best_found()
1903 			     ac->ac_g_ex.fe_len, &ex);  in ext4_mb_find_by_goal()
1906 	if (max >= ac->ac_g_ex.fe_len && ac->ac_g_ex.fe_len == sbi->s_stripe) {  in ext4_mb_find_by_goal()
1917 	} else if (max >= ac->ac_g_ex.fe_len) {  in ext4_mb_find_by_goal()
1918 		BUG_ON(ex.fe_len <= 0);  in ext4_mb_find_by_goal()
1927 		BUG_ON(ex.fe_len <= 0);  in ext4_mb_find_by_goal()
1975 		ac->ac_b_ex.fe_len = 1 << i;  in ext4_mb_simple_scan_group()
1981 		BUG_ON(ac->ac_f_ex.fe_len != ac->ac_g_ex.fe_len);  in ext4_mb_simple_scan_group()
2029 		mb_find_extent(e4b, i, ac->ac_g_ex.fe_len, &ex);  in ext4_mb_complex_scan_group()
2030 		if (WARN_ON(ex.fe_len <= 0))  in ext4_mb_complex_scan_group()
2032 		if (free < ex.fe_len) {  in ext4_mb_complex_scan_group()
2036 					free, ex.fe_len);  in ext4_mb_complex_scan_group()
2049 		i += ex.fe_len;  in ext4_mb_complex_scan_group()
2050 		free -= ex.fe_len;  in ext4_mb_complex_scan_group()
2132 		if (free < ac->ac_g_ex.fe_len)  in ext4_mb_good_group()
2143 		if ((free / fragments) >= ac->ac_g_ex.fe_len)  in ext4_mb_good_group()
2147 		if (free >= ac->ac_g_ex.fe_len)  in ext4_mb_good_group()
2179 	if (cr <= 2 && free < ac->ac_g_ex.fe_len)  in ext4_mb_good_group_nolock()
2332 	i = fls(ac->ac_g_ex.fe_len);  in ext4_mb_regular_allocator()
2345 		if ((ac->ac_g_ex.fe_len & (~(1 << (i - 1)))) == 0)  in ext4_mb_regular_allocator()
2437 					!(ac->ac_g_ex.fe_len % sbi->s_stripe))  in ext4_mb_regular_allocator()
2450 	if (ac->ac_b_ex.fe_len > 0 && ac->ac_status != AC_STATUS_FOUND &&  in ext4_mb_regular_allocator()
2466 				 ac->ac_b_ex.fe_len, lost);  in ext4_mb_regular_allocator()
2470 			ac->ac_b_ex.fe_len = 0;  in ext4_mb_regular_allocator()
2482 		 ac->ac_b_ex.fe_len, ac->ac_o_ex.fe_len, ac->ac_status,  in ext4_mb_regular_allocator()
3199 	BUG_ON(ac->ac_b_ex.fe_len <= 0);  in ext4_mb_mark_diskspace_used()
3231 	len = EXT4_C2B(sbi, ac->ac_b_ex.fe_len);  in ext4_mb_mark_diskspace_used()
3241 			      ac->ac_b_ex.fe_len);  in ext4_mb_mark_diskspace_used()
3253 		for (i = 0; i < ac->ac_b_ex.fe_len; i++) {  in ext4_mb_mark_diskspace_used()
3260 		      ac->ac_b_ex.fe_len);  in ext4_mb_mark_diskspace_used()
3268 	len = ext4_free_group_clusters(sb, gdp) - ac->ac_b_ex.fe_len;  in ext4_mb_mark_diskspace_used()
3274 	percpu_counter_sub(&sbi->s_freeclusters_counter, ac->ac_b_ex.fe_len);  in ext4_mb_mark_diskspace_used()
3286 		atomic64_sub(ac->ac_b_ex.fe_len,  in ext4_mb_mark_diskspace_used()
3394 	ac->ac_g_ex.fe_len = EXT4_SB(sb)->s_mb_group_prealloc;  in ext4_mb_normalize_group_request()
3395 	mb_debug(sb, "goal %u blocks for locality group\n", ac->ac_g_ex.fe_len);  in ext4_mb_normalize_group_request()
3438 	size = ac->ac_o_ex.fe_logical + EXT4_C2B(sbi, ac->ac_o_ex.fe_len);  in ext4_mb_normalize_request()
3475 	} else if (NRL_CHECK_SIZE(ac->ac_o_ex.fe_len,  in ext4_mb_normalize_request()
3483 					      ac->ac_o_ex.fe_len) << bsbits;  in ext4_mb_normalize_request()
3575 	ac->ac_g_ex.fe_len = EXT4_NUM_B2C(sbi, size);  in ext4_mb_normalize_request()
3601 	if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) {  in ext4_mb_collect_stats()
3603 		atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);  in ext4_mb_collect_stats()
3604 		if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len)  in ext4_mb_collect_stats()
3633 		if (ac->ac_f_ex.fe_len == 0)  in ext4_discard_allocated_blocks()
3647 			       ac->ac_f_ex.fe_len);  in ext4_discard_allocated_blocks()
3653 		pa->pa_free += ac->ac_b_ex.fe_len;  in ext4_discard_allocated_blocks()
3670 		  start + EXT4_C2B(sbi, ac->ac_o_ex.fe_len));  in ext4_mb_use_inode_pa()
3674 	ac->ac_b_ex.fe_len = len;  in ext4_mb_use_inode_pa()
3692 	unsigned int len = ac->ac_o_ex.fe_len;  in ext4_mb_use_group_pa()
3697 	ac->ac_b_ex.fe_len = len;  in ext4_mb_use_group_pa()
3796 	order  = fls(ac->ac_o_ex.fe_len) - 1;  in ext4_mb_use_preallocated()
3812 					pa->pa_free >= ac->ac_o_ex.fe_len) {  in ext4_mb_use_preallocated()
3997 	BUG_ON(ac->ac_o_ex.fe_len >= ac->ac_b_ex.fe_len);  in ext4_mb_new_inode_pa()
4004 	if (ac->ac_b_ex.fe_len < ac->ac_g_ex.fe_len) {  in ext4_mb_new_inode_pa()
4014 		BUG_ON(ac->ac_g_ex.fe_len < ac->ac_o_ex.fe_len);  in ext4_mb_new_inode_pa()
4022 		wins = EXT4_C2B(sbi, ac->ac_b_ex.fe_len - ac->ac_o_ex.fe_len);  in ext4_mb_new_inode_pa()
4028 			EXT4_C2B(sbi, ac->ac_b_ex.fe_len);  in ext4_mb_new_inode_pa()
4035 		BUG_ON(ac->ac_o_ex.fe_len > ac->ac_b_ex.fe_len);  in ext4_mb_new_inode_pa()
4044 	pa->pa_len = ac->ac_b_ex.fe_len;  in ext4_mb_new_inode_pa()
4085 	BUG_ON(ac->ac_o_ex.fe_len >= ac->ac_b_ex.fe_len);  in ext4_mb_new_group_pa()
4098 	pa->pa_len = ac->ac_b_ex.fe_len;  in ext4_mb_new_group_pa()
4523 			(unsigned long)ac->ac_o_ex.fe_len,  in ext4_mb_show_ac()
4527 			(unsigned long)ac->ac_g_ex.fe_len,  in ext4_mb_show_ac()
4531 			(unsigned long)ac->ac_b_ex.fe_len,  in ext4_mb_show_ac()
4568 	size = ac->ac_o_ex.fe_logical + EXT4_C2B(sbi, ac->ac_o_ex.fe_len);  in ext4_mb_group_or_file()
4639 	ac->ac_o_ex.fe_len = len;  in ext4_mb_initialize_context()
4822 			pa->pa_pstart += EXT4_C2B(sbi, ac->ac_b_ex.fe_len);  in ext4_mb_release_context()
4823 			pa->pa_lstart += EXT4_C2B(sbi, ac->ac_b_ex.fe_len);  in ext4_mb_release_context()
4824 			pa->pa_free -= ac->ac_b_ex.fe_len;  in ext4_mb_release_context()
4825 			pa->pa_len -= ac->ac_b_ex.fe_len;  in ext4_mb_release_context()
4888 	freed = ext4_mb_discard_preallocations(sb, ac->ac_o_ex.fe_len);  in ext4_mb_discard_preallocations_should_retry()
5011 			ac->ac_o_ex.fe_len >= ac->ac_f_ex.fe_len)  in ext4_mb_new_blocks()
5021 			ar->len = ac->ac_b_ex.fe_len;  in ext4_mb_new_blocks()
5036 		ac->ac_b_ex.fe_len = 0;  in ext4_mb_new_blocks()
5688 	ex.fe_len = count;  in ext4_trim_extent()
5698 	mb_free_blocks(NULL, e4b, start, ex.fe_len);  in ext4_trim_extent()