46 read_inode_bitmap(struct super_block * sb, unsigned long block_group)  in read_inode_bitmap()  argument
51 	desc = ext2_get_group_desc(sb, block_group, NULL);  in read_inode_bitmap()
55 	bh = sb_bread(sb, le32_to_cpu(desc->bg_inode_bitmap));  in read_inode_bitmap()
57 		ext2_error(sb, "read_inode_bitmap",  in read_inode_bitmap()
65 static void ext2_release_inode(struct super_block *sb, int group, int dir)  in ext2_release_inode()  argument
70 	desc = ext2_get_group_desc(sb, group, &bh);  in ext2_release_inode()
72 		ext2_error(sb, "ext2_release_inode",  in ext2_release_inode()
77 	spin_lock(sb_bgl_lock(EXT2_SB(sb), group));  in ext2_release_inode()
81 	spin_unlock(sb_bgl_lock(EXT2_SB(sb), group));  in ext2_release_inode()
83 		percpu_counter_dec(&EXT2_SB(sb)->s_dirs_counter);  in ext2_release_inode()
105 	struct super_block * sb = inode->i_sb;  in ext2_free_inode()  local
124 	es = EXT2_SB(sb)->s_es;  in ext2_free_inode()
127 	if (ino < EXT2_FIRST_INO(sb) ||  in ext2_free_inode()
129 		ext2_error (sb, "ext2_free_inode",  in ext2_free_inode()
133 	block_group = (ino - 1) / EXT2_INODES_PER_GROUP(sb);  in ext2_free_inode()
134 	bit = (ino - 1) % EXT2_INODES_PER_GROUP(sb);  in ext2_free_inode()
135 	bitmap_bh = read_inode_bitmap(sb, block_group);  in ext2_free_inode()
140 	if (!ext2_clear_bit_atomic(sb_bgl_lock(EXT2_SB(sb), block_group),  in ext2_free_inode()
142 		ext2_error (sb, "ext2_free_inode",  in ext2_free_inode()
145 		ext2_release_inode(sb, block_group, is_directory);  in ext2_free_inode()
147 	if (sb->s_flags & MS_SYNCHRONOUS)  in ext2_free_inode()
204 static int find_group_dir(struct super_block *sb, struct inode *parent)  in find_group_dir()  argument
206 	int ngroups = EXT2_SB(sb)->s_groups_count;  in find_group_dir()
207 	int avefreei = ext2_count_free_inodes(sb) / ngroups;  in find_group_dir()
212 		desc = ext2_get_group_desc (sb, group, NULL);  in find_group_dir()
258 static int find_group_orlov(struct super_block *sb, struct inode *parent)  in find_group_orlov()  argument
261 	struct ext2_sb_info *sbi = EXT2_SB(sb);  in find_group_orlov()
264 	int inodes_per_group = EXT2_INODES_PER_GROUP(sb);  in find_group_orlov()
281 	if ((parent == d_inode(sb->s_root)) ||  in find_group_orlov()
291 			desc = ext2_get_group_desc (sb, group, NULL);  in find_group_orlov()
319 	min_blocks = avefreeb - EXT2_BLOCKS_PER_GROUP(sb) / 4;  in find_group_orlov()
321 	max_debt = EXT2_BLOCKS_PER_GROUP(sb) / max(blocks_per_dir, BLOCK_COST);  in find_group_orlov()
331 		desc = ext2_get_group_desc (sb, group, NULL);  in find_group_orlov()
348 		desc = ext2_get_group_desc (sb, group, NULL);  in find_group_orlov()
370 static int find_group_other(struct super_block *sb, struct inode *parent)  in find_group_other()  argument
373 	int ngroups = EXT2_SB(sb)->s_groups_count;  in find_group_other()
381 	desc = ext2_get_group_desc (sb, group, NULL);  in find_group_other()
405 		desc = ext2_get_group_desc (sb, group, NULL);  in find_group_other()
419 		desc = ext2_get_group_desc (sb, group, NULL);  in find_group_other()
433 	struct super_block *sb;  in ext2_new_inode()  local
445 	sb = dir->i_sb;  in ext2_new_inode()
446 	inode = new_inode(sb);  in ext2_new_inode()
451 	sbi = EXT2_SB(sb);  in ext2_new_inode()
454 		if (test_opt(sb, OLDALLOC))  in ext2_new_inode()
455 			group = find_group_dir(sb, dir);  in ext2_new_inode()
457 			group = find_group_orlov(sb, dir);  in ext2_new_inode()
459 		group = find_group_other(sb, dir);  in ext2_new_inode()
467 		gdp = ext2_get_group_desc(sb, group, &bh2);  in ext2_new_inode()
469 		bitmap_bh = read_inode_bitmap(sb, group);  in ext2_new_inode()
478 					      EXT2_INODES_PER_GROUP(sb), ino);  in ext2_new_inode()
479 		if (ino >= EXT2_INODES_PER_GROUP(sb)) {  in ext2_new_inode()
495 			if (++ino >= EXT2_INODES_PER_GROUP(sb)) {  in ext2_new_inode()
514 	if (sb->s_flags & MS_SYNCHRONOUS)  in ext2_new_inode()
518 	ino += group * EXT2_INODES_PER_GROUP(sb) + 1;  in ext2_new_inode()
519 	if (ino < EXT2_FIRST_INO(sb) || ino > le32_to_cpu(es->s_inodes_count)) {  in ext2_new_inode()
520 		ext2_error (sb, "ext2_new_inode",  in ext2_new_inode()
545 	if (test_opt(sb, GRPID)) {  in ext2_new_inode()
573 		ext2_error(sb, "ext2_new_inode",  in ext2_new_inode()
615 unsigned long ext2_count_free_inodes (struct super_block * sb)  in ext2_count_free_inodes()  argument
626 	es = EXT2_SB(sb)->s_es;  in ext2_count_free_inodes()
627 	for (i = 0; i < EXT2_SB(sb)->s_groups_count; i++) {  in ext2_count_free_inodes()
630 		desc = ext2_get_group_desc (sb, i, NULL);  in ext2_count_free_inodes()
635 		bitmap_bh = read_inode_bitmap(sb, i);  in ext2_count_free_inodes()
639 		x = ext2_count_free(bitmap_bh, EXT2_INODES_PER_GROUP(sb) / 8);  in ext2_count_free_inodes()
647 		percpu_counter_read(&EXT2_SB(sb)->s_freeinodes_counter),  in ext2_count_free_inodes()
651 	for (i = 0; i < EXT2_SB(sb)->s_groups_count; i++) {  in ext2_count_free_inodes()
652 		desc = ext2_get_group_desc (sb, i, NULL);  in ext2_count_free_inodes()
662 unsigned long ext2_count_dirs (struct super_block * sb)  in ext2_count_dirs()  argument
667 	for (i = 0; i < EXT2_SB(sb)->s_groups_count; i++) {  in ext2_count_dirs()
668 		struct ext2_group_desc *gdp = ext2_get_group_desc (sb, i, NULL);  in ext2_count_dirs()