195 	struct ext4_new_flex_group_data *flex_gd;  in alloc_flex_gd()  local
197 	flex_gd = kmalloc(sizeof(*flex_gd), GFP_NOFS);  in alloc_flex_gd()
198 	if (flex_gd == NULL)  in alloc_flex_gd()
203 	flex_gd->count = flexbg_size;  in alloc_flex_gd()
205 	flex_gd->groups = kmalloc(sizeof(struct ext4_new_group_data) *  in alloc_flex_gd()
207 	if (flex_gd->groups == NULL)  in alloc_flex_gd()
210 	flex_gd->bg_flags = kmalloc(flexbg_size * sizeof(__u16), GFP_NOFS);  in alloc_flex_gd()
211 	if (flex_gd->bg_flags == NULL)  in alloc_flex_gd()
214 	return flex_gd;  in alloc_flex_gd()
217 	kfree(flex_gd->groups);  in alloc_flex_gd()
219 	kfree(flex_gd);  in alloc_flex_gd()
224 static void free_flex_gd(struct ext4_new_flex_group_data *flex_gd)  in free_flex_gd()  argument
226 	kfree(flex_gd->bg_flags);  in free_flex_gd()
227 	kfree(flex_gd->groups);  in free_flex_gd()
228 	kfree(flex_gd);  in free_flex_gd()
245 				struct ext4_new_flex_group_data *flex_gd,  in ext4_alloc_group_tables()  argument
248 	struct ext4_new_group_data *group_data = flex_gd->groups;  in ext4_alloc_group_tables()
260 	BUG_ON(flex_gd->count == 0 || group_data == NULL);  in ext4_alloc_group_tables()
263 	last_group  = src_group + flex_gd->count - 1;  in ext4_alloc_group_tables()
269 	if (src_group >= group_data[0].group + flex_gd->count)  in ext4_alloc_group_tables()
289 	for (; bb_index < flex_gd->count; bb_index++) {  in ext4_alloc_group_tables()
296 		flex_gd->bg_flags[group] &= uninit_mask;  in ext4_alloc_group_tables()
300 	for (; ib_index < flex_gd->count; ib_index++) {  in ext4_alloc_group_tables()
307 		flex_gd->bg_flags[group] &= uninit_mask;  in ext4_alloc_group_tables()
311 	for (; it_index < flex_gd->count; it_index++) {  in ext4_alloc_group_tables()
323 			flex_gd->bg_flags[group + 1] &= uninit_mask;  in ext4_alloc_group_tables()
330 		flex_gd->bg_flags[group] &= uninit_mask;  in ext4_alloc_group_tables()
339 		       "%d groups, flexbg size is %d:\n", flex_gd->count,  in ext4_alloc_group_tables()
342 		for (i = 0; i < flex_gd->count; i++) {  in ext4_alloc_group_tables()
409 			struct ext4_new_flex_group_data *flex_gd,  in set_flexbg_block_bitmap()  argument
423 		group -= flex_gd->groups[0].group;  in set_flexbg_block_bitmap()
429 		if (flex_gd->bg_flags[group] & EXT4_BG_BLOCK_UNINIT) {  in set_flexbg_block_bitmap()
430 			BUG_ON(flex_gd->count > 1);  in set_flexbg_block_bitmap()
438 		bh = sb_getblk(sb, flex_gd->groups[group].block_bitmap);  in set_flexbg_block_bitmap()
474 				struct ext4_new_flex_group_data *flex_gd)  in setup_new_flex_group_blocks()  argument
481 	struct ext4_new_group_data *group_data = flex_gd->groups;  in setup_new_flex_group_blocks()
482 	__u16 *bg_flags = flex_gd->bg_flags;  in setup_new_flex_group_blocks()
489 	BUG_ON(!flex_gd->count || !group_data ||  in setup_new_flex_group_blocks()
501 	for (i = 0; i < flex_gd->count; i++, group++) {  in setup_new_flex_group_blocks()
637 		for (i = 1; i < flex_gd->count; i++) {  in setup_new_flex_group_blocks()
644 						flex_gd, start, count);  in setup_new_flex_group_blocks()
654 						flex_gd, start, count);  in setup_new_flex_group_blocks()
1237 				struct ext4_new_flex_group_data *flex_gd)  in ext4_setup_new_descs()  argument
1239 	struct ext4_new_group_data	*group_data = flex_gd->groups;  in ext4_setup_new_descs()
1244 	__u16				*bg_flags = flex_gd->bg_flags;  in ext4_setup_new_descs()
1248 	for (i = 0; i < flex_gd->count; i++, group_data++, bg_flags++) {  in ext4_setup_new_descs()
1306 			     struct ext4_new_flex_group_data *flex_gd)  in ext4_update_super()  argument
1311 	struct ext4_new_group_data *group_data = flex_gd->groups;  in ext4_update_super()
1316 	BUG_ON(flex_gd->count == 0 || group_data == NULL);  in ext4_update_super()
1327 	for (i = 0; i < flex_gd->count; i++) {  in ext4_update_super()
1340 		     flex_gd->count);  in ext4_update_super()
1342 		     flex_gd->count);  in ext4_update_super()
1366 	sbi->s_groups_count += flex_gd->count;  in ext4_update_super()
1379 			   EXT4_INODES_PER_GROUP(sb) * flex_gd->count);  in ext4_update_super()
1388 		atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count,  in ext4_update_super()
1399 		       "%llu blocks(%llu free %llu reserved)\n", flex_gd->count,  in ext4_update_super()
1409 			       struct ext4_new_flex_group_data *flex_gd)  in ext4_flex_group_add()  argument
1420 	BUG_ON(!flex_gd->count || !flex_gd->groups || !flex_gd->bg_flags);  in ext4_flex_group_add()
1427 	err = setup_new_flex_group_blocks(sb, flex_gd);  in ext4_flex_group_add()
1439 	credit += 1 + DIV_ROUND_UP(flex_gd->count, EXT4_DESC_PER_BLOCK(sb));  in ext4_flex_group_add()
1452 	group = flex_gd->groups[0].group;  in ext4_flex_group_add()
1455 				resize_inode, flex_gd->count);  in ext4_flex_group_add()
1459 	err = ext4_setup_new_descs(handle, sb, flex_gd);  in ext4_flex_group_add()
1463 	ext4_update_super(sb, flex_gd);  in ext4_flex_group_add()
1474 		int gdb_num_end = ((group + flex_gd->count - 1) /  in ext4_flex_group_add()
1497 				    struct ext4_new_flex_group_data *flex_gd,  in ext4_setup_next_flex_gd()  argument
1502 	struct ext4_new_group_data *group_data = flex_gd->groups;  in ext4_setup_next_flex_gd()
1526 	flex_gd->count = last_group - group + 1;  in ext4_setup_next_flex_gd()
1528 	for (i = 0; i < flex_gd->count; i++) {  in ext4_setup_next_flex_gd()
1536 			flex_gd->bg_flags[i] = EXT4_BG_BLOCK_UNINIT |  in ext4_setup_next_flex_gd()
1539 				flex_gd->bg_flags[i] |= EXT4_BG_INODE_ZEROED;  in ext4_setup_next_flex_gd()
1541 			flex_gd->bg_flags[i] = EXT4_BG_INODE_ZEROED;  in ext4_setup_next_flex_gd()
1546 		flex_gd->bg_flags[i - 1] &= ~EXT4_BG_BLOCK_UNINIT;  in ext4_setup_next_flex_gd()
1572 	struct ext4_new_flex_group_data flex_gd;  in ext4_group_add()  local
1628 	flex_gd.count = 1;  in ext4_group_add()
1629 	flex_gd.groups = input;  in ext4_group_add()
1630 	flex_gd.bg_flags = &bg_flags;  in ext4_group_add()
1631 	err = ext4_flex_group_add(sb, inode, &flex_gd);  in ext4_group_add()
1865 	struct ext4_new_flex_group_data *flex_gd = NULL;  in ext4_resize_fs()  local
1978 	flex_gd = alloc_flex_gd(flexbg_size);  in ext4_resize_fs()
1979 	if (flex_gd == NULL) {  in ext4_resize_fs()
1987 	while (ext4_setup_next_flex_gd(sb, flex_gd, n_blocks_count,  in ext4_resize_fs()
1996 		if (ext4_alloc_group_tables(sb, flex_gd, flexbg_size) != 0)  in ext4_resize_fs()
1998 		err = ext4_flex_group_add(sb, resize_inode, flex_gd);  in ext4_resize_fs()
2006 		free_flex_gd(flex_gd);  in ext4_resize_fs()
2007 		flex_gd = NULL;  in ext4_resize_fs()
2012 	if (flex_gd)  in ext4_resize_fs()
2013 		free_flex_gd(flex_gd);  in ext4_resize_fs()