200 	struct ext4_new_flex_group_data *flex_gd;  in alloc_flex_gd()  local
202 	flex_gd = kmalloc(sizeof(*flex_gd), GFP_NOFS);  in alloc_flex_gd()
203 	if (flex_gd == NULL)  in alloc_flex_gd()
208 	flex_gd->count = flexbg_size;  in alloc_flex_gd()
210 	flex_gd->groups = kmalloc_array(flexbg_size,  in alloc_flex_gd()
213 	if (flex_gd->groups == NULL)  in alloc_flex_gd()
216 	flex_gd->bg_flags = kmalloc_array(flexbg_size, sizeof(__u16),  in alloc_flex_gd()
218 	if (flex_gd->bg_flags == NULL)  in alloc_flex_gd()
221 	return flex_gd;  in alloc_flex_gd()
224 	kfree(flex_gd->groups);  in alloc_flex_gd()
226 	kfree(flex_gd);  in alloc_flex_gd()
231 static void free_flex_gd(struct ext4_new_flex_group_data *flex_gd)  in free_flex_gd()  argument
233 	kfree(flex_gd->bg_flags);  in free_flex_gd()
234 	kfree(flex_gd->groups);  in free_flex_gd()
235 	kfree(flex_gd);  in free_flex_gd()
252 				struct ext4_new_flex_group_data *flex_gd,  in ext4_alloc_group_tables()  argument
255 	struct ext4_new_group_data *group_data = flex_gd->groups;  in ext4_alloc_group_tables()
268 	BUG_ON(flex_gd->count == 0 || group_data == NULL);  in ext4_alloc_group_tables()
271 	last_group  = src_group + flex_gd->count - 1;  in ext4_alloc_group_tables()
277 	if (src_group >= group_data[0].group + flex_gd->count)  in ext4_alloc_group_tables()
297 	for (; bb_index < flex_gd->count; bb_index++) {  in ext4_alloc_group_tables()
304 		flex_gd->bg_flags[group] &= uninit_mask;  in ext4_alloc_group_tables()
308 	for (; ib_index < flex_gd->count; ib_index++) {  in ext4_alloc_group_tables()
315 		flex_gd->bg_flags[group] &= uninit_mask;  in ext4_alloc_group_tables()
319 	for (; it_index < flex_gd->count; it_index++) {  in ext4_alloc_group_tables()
331 			flex_gd->bg_flags[group + 1] &= uninit_mask;  in ext4_alloc_group_tables()
338 		flex_gd->bg_flags[group] &= uninit_mask;  in ext4_alloc_group_tables()
343 	for (i = 0; i < flex_gd->count; i++) {  in ext4_alloc_group_tables()
354 		       "%d groups, flexbg size is %d:\n", flex_gd->count,  in ext4_alloc_group_tables()
357 		for (i = 0; i < flex_gd->count; i++) {  in ext4_alloc_group_tables()
425 			struct ext4_new_flex_group_data *flex_gd,  in set_flexbg_block_bitmap()  argument
443 		group -= flex_gd->groups[0].group;  in set_flexbg_block_bitmap()
449 		if (flex_gd->bg_flags[group] & EXT4_BG_BLOCK_UNINIT) {  in set_flexbg_block_bitmap()
450 			BUG_ON(flex_gd->count > 1);  in set_flexbg_block_bitmap()
458 		bh = sb_getblk(sb, flex_gd->groups[group].block_bitmap);  in set_flexbg_block_bitmap()
496 				struct ext4_new_flex_group_data *flex_gd)  in setup_new_flex_group_blocks()  argument
503 	struct ext4_new_group_data *group_data = flex_gd->groups;  in setup_new_flex_group_blocks()
504 	__u16 *bg_flags = flex_gd->bg_flags;  in setup_new_flex_group_blocks()
511 	BUG_ON(!flex_gd->count || !group_data ||  in setup_new_flex_group_blocks()
523 	for (i = 0; i < flex_gd->count; i++, group++) {  in setup_new_flex_group_blocks()
657 		for (i = 1; i < flex_gd->count; i++) {  in setup_new_flex_group_blocks()
664 						      flex_gd,  in setup_new_flex_group_blocks()
678 						      flex_gd,  in setup_new_flex_group_blocks()
1275 				struct ext4_new_flex_group_data *flex_gd)  in ext4_setup_new_descs()  argument
1277 	struct ext4_new_group_data	*group_data = flex_gd->groups;  in ext4_setup_new_descs()
1282 	__u16				*bg_flags = flex_gd->bg_flags;  in ext4_setup_new_descs()
1286 	for (i = 0; i < flex_gd->count; i++, group_data++, bg_flags++) {  in ext4_setup_new_descs()
1344 			     struct ext4_new_flex_group_data *flex_gd)  in ext4_update_super()  argument
1349 	struct ext4_new_group_data *group_data = flex_gd->groups;  in ext4_update_super()
1354 	BUG_ON(flex_gd->count == 0 || group_data == NULL);  in ext4_update_super()
1365 	for (i = 0; i < flex_gd->count; i++) {  in ext4_update_super()
1378 		     flex_gd->count);  in ext4_update_super()
1380 		     flex_gd->count);  in ext4_update_super()
1404 	sbi->s_groups_count += flex_gd->count;  in ext4_update_super()
1417 			   EXT4_INODES_PER_GROUP(sb) * flex_gd->count);  in ext4_update_super()
1426 		atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count,  in ext4_update_super()
1437 		       "%llu blocks(%llu free %llu reserved)\n", flex_gd->count,  in ext4_update_super()
1447 			       struct ext4_new_flex_group_data *flex_gd)  in ext4_flex_group_add()  argument
1458 	BUG_ON(!flex_gd->count || !flex_gd->groups || !flex_gd->bg_flags);  in ext4_flex_group_add()
1465 	err = setup_new_flex_group_blocks(sb, flex_gd);  in ext4_flex_group_add()
1477 	credit += 1 + DIV_ROUND_UP(flex_gd->count, EXT4_DESC_PER_BLOCK(sb));  in ext4_flex_group_add()
1490 	group = flex_gd->groups[0].group;  in ext4_flex_group_add()
1493 				resize_inode, flex_gd->count);  in ext4_flex_group_add()
1497 	err = ext4_setup_new_descs(handle, sb, flex_gd);  in ext4_flex_group_add()
1501 	ext4_update_super(sb, flex_gd);  in ext4_flex_group_add()
1512 		int gdb_num_end = ((group + flex_gd->count - 1) /  in ext4_flex_group_add()
1535 				    struct ext4_new_flex_group_data *flex_gd,  in ext4_setup_next_flex_gd()  argument
1541 	struct ext4_new_group_data *group_data = flex_gd->groups;  in ext4_setup_next_flex_gd()
1565 	flex_gd->count = last_group - group + 1;  in ext4_setup_next_flex_gd()
1567 	for (i = 0; i < flex_gd->count; i++) {  in ext4_setup_next_flex_gd()
1576 			flex_gd->bg_flags[i] = EXT4_BG_BLOCK_UNINIT |  in ext4_setup_next_flex_gd()
1579 				flex_gd->bg_flags[i] |= EXT4_BG_INODE_ZEROED;  in ext4_setup_next_flex_gd()
1581 			flex_gd->bg_flags[i] = EXT4_BG_INODE_ZEROED;  in ext4_setup_next_flex_gd()
1586 		flex_gd->bg_flags[i - 1] &= ~EXT4_BG_BLOCK_UNINIT;  in ext4_setup_next_flex_gd()
1612 	struct ext4_new_flex_group_data flex_gd;  in ext4_group_add()  local
1668 	flex_gd.count = 1;  in ext4_group_add()
1669 	flex_gd.groups = input;  in ext4_group_add()
1670 	flex_gd.bg_flags = &bg_flags;  in ext4_group_add()
1671 	err = ext4_flex_group_add(sb, inode, &flex_gd);  in ext4_group_add()
1904 	struct ext4_new_flex_group_data *flex_gd = NULL;  in ext4_resize_fs()  local
2040 	flex_gd = alloc_flex_gd(flexbg_size);  in ext4_resize_fs()
2041 	if (flex_gd == NULL) {  in ext4_resize_fs()
2049 	while (ext4_setup_next_flex_gd(sb, flex_gd, n_blocks_count,  in ext4_resize_fs()
2058 		if (ext4_alloc_group_tables(sb, flex_gd, flexbg_size) != 0)  in ext4_resize_fs()
2060 		err = ext4_flex_group_add(sb, resize_inode, flex_gd);  in ext4_resize_fs()
2068 		free_flex_gd(flex_gd);  in ext4_resize_fs()
2069 		flex_gd = NULL;  in ext4_resize_fs()
2078 	if (flex_gd)  in ext4_resize_fs()
2079 		free_flex_gd(flex_gd);  in ext4_resize_fs()