93 	struct ext4_sb_info *sbi = EXT4_SB(sb);  in ext4_num_overhead_clusters()  local
113 		block_cluster = EXT4_B2C(sbi,  in ext4_num_overhead_clusters()
124 		inode_cluster = EXT4_B2C(sbi,  in ext4_num_overhead_clusters()
135 	for (i = 0; i < sbi->s_itb_per_group; i++) {  in ext4_num_overhead_clusters()
137 			c = EXT4_B2C(sbi, itbl_blk + i - start);  in ext4_num_overhead_clusters()
184 	struct ext4_sb_info *sbi = EXT4_SB(sb);  in ext4_init_block_bitmap()  local
196 			percpu_counter_sub(&sbi->s_freeclusters_counter,  in ext4_init_block_bitmap()
202 			percpu_counter_sub(&sbi->s_freeinodes_counter,  in ext4_init_block_bitmap()
222 		ext4_set_bit(EXT4_B2C(sbi, tmp - start), bh->b_data);  in ext4_init_block_bitmap()
226 		ext4_set_bit(EXT4_B2C(sbi, tmp - start), bh->b_data);  in ext4_init_block_bitmap()
230 		     sbi->s_itb_per_group; tmp++) {  in ext4_init_block_bitmap()
232 			ext4_set_bit(EXT4_B2C(sbi, tmp - start), bh->b_data);  in ext4_init_block_bitmap()
284 	struct ext4_sb_info *sbi = EXT4_SB(sb);  in ext4_get_group_desc()  local
295 	if (!sbi->s_group_desc[group_desc]) {  in ext4_get_group_desc()
303 		(__u8 *)sbi->s_group_desc[group_desc]->b_data +  in ext4_get_group_desc()
306 		*bh = sbi->s_group_desc[group_desc];  in ext4_get_group_desc()
319 	struct ext4_sb_info *sbi = EXT4_SB(sb);  in ext4_valid_block_bitmap()  local
339 	if (!ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data))  in ext4_valid_block_bitmap()
346 	if (!ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data))  in ext4_valid_block_bitmap()
354 			EXT4_B2C(sbi, offset + EXT4_SB(sb)->s_itb_per_group),  in ext4_valid_block_bitmap()
355 			EXT4_B2C(sbi, offset));  in ext4_valid_block_bitmap()
357 	    EXT4_B2C(sbi, offset + EXT4_SB(sb)->s_itb_per_group))  in ext4_valid_block_bitmap()
370 	struct ext4_sb_info *sbi = EXT4_SB(sb);  in ext4_validate_block_bitmap()  local
383 			percpu_counter_sub(&sbi->s_freeclusters_counter,  in ext4_validate_block_bitmap()
394 			percpu_counter_sub(&sbi->s_freeclusters_counter,  in ext4_validate_block_bitmap()
534 static int ext4_has_free_clusters(struct ext4_sb_info *sbi,  in ext4_has_free_clusters()  argument
538 	struct percpu_counter *fcc = &sbi->s_freeclusters_counter;  in ext4_has_free_clusters()
539 	struct percpu_counter *dcc = &sbi->s_dirtyclusters_counter;  in ext4_has_free_clusters()
543 	resv_clusters = atomic64_read(&sbi->s_resv_clusters);  in ext4_has_free_clusters()
549 	rsv = (ext4_r_blocks_count(sbi->s_es) >> sbi->s_cluster_bits) +  in ext4_has_free_clusters()
564 	if (uid_eq(sbi->s_resuid, current_fsuid()) ||  in ext4_has_free_clusters()
565 	    (!gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) && in_group_p(sbi->s_resgid)) ||  in ext4_has_free_clusters()
582 int ext4_claim_free_clusters(struct ext4_sb_info *sbi,  in ext4_claim_free_clusters()  argument
585 	if (ext4_has_free_clusters(sbi, nclusters, flags)) {  in ext4_claim_free_clusters()
586 		percpu_counter_add(&sbi->s_dirtyclusters_counter, nclusters);  in ext4_claim_free_clusters()
822 	struct ext4_sb_info *sbi = EXT4_SB(sb);  in ext4_num_base_meta_clusters()  local
829 	    block_group < le32_to_cpu(sbi->s_es->s_first_meta_bg) *  in ext4_num_base_meta_clusters()
830 			  sbi->s_desc_per_block) {  in ext4_num_base_meta_clusters()
833 			num += le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks);  in ext4_num_base_meta_clusters()
838 	return EXT4_NUM_B2C(sbi, num);  in ext4_num_base_meta_clusters()