84 	struct ocfs2_refcount_block *rb =  in ocfs2_validate_refcount_block()  local
96 	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &rb->rf_check);  in ocfs2_validate_refcount_block()
104 	if (!OCFS2_IS_VALID_REFCOUNT_BLOCK(rb)) {  in ocfs2_validate_refcount_block()
108 				 rb->rf_signature);  in ocfs2_validate_refcount_block()
112 	if (le64_to_cpu(rb->rf_blkno) != bh->b_blocknr) {  in ocfs2_validate_refcount_block()
116 				 (unsigned long long)le64_to_cpu(rb->rf_blkno));  in ocfs2_validate_refcount_block()
120 	if (le32_to_cpu(rb->rf_fs_generation) != OCFS2_SB(sb)->fs_generation) {  in ocfs2_validate_refcount_block()
124 				 le32_to_cpu(rb->rf_fs_generation));  in ocfs2_validate_refcount_block()
458 	struct ocfs2_refcount_block *rb;  in ocfs2_lock_refcount_tree()  local
485 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_lock_refcount_tree()
495 	if (tree->rf_generation != le32_to_cpu(rb->rf_generation)) {  in ocfs2_lock_refcount_tree()
567 	struct ocfs2_refcount_block *rb;  in ocfs2_create_refcount_tree()  local
629 	rb = (struct ocfs2_refcount_block *)new_bh->b_data;  in ocfs2_create_refcount_tree()
630 	memset(rb, 0, inode->i_sb->s_blocksize);  in ocfs2_create_refcount_tree()
631 	strcpy((void *)rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);  in ocfs2_create_refcount_tree()
632 	rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);  in ocfs2_create_refcount_tree()
633 	rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);  in ocfs2_create_refcount_tree()
634 	rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);  in ocfs2_create_refcount_tree()
635 	rb->rf_fs_generation = cpu_to_le32(osb->fs_generation);  in ocfs2_create_refcount_tree()
636 	rb->rf_blkno = cpu_to_le64(first_blkno);  in ocfs2_create_refcount_tree()
637 	rb->rf_count = cpu_to_le32(1);  in ocfs2_create_refcount_tree()
638 	rb->rf_records.rl_count =  in ocfs2_create_refcount_tree()
641 	rb->rf_generation = osb->s_next_generation++;  in ocfs2_create_refcount_tree()
660 	new_tree->rf_generation = le32_to_cpu(rb->rf_generation);  in ocfs2_create_refcount_tree()
708 	struct ocfs2_refcount_block *rb;  in ocfs2_set_refcount_tree()  local
741 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_set_refcount_tree()
742 	le32_add_cpu(&rb->rf_count, 1);  in ocfs2_set_refcount_tree()
769 	struct ocfs2_refcount_block *rb;  in ocfs2_remove_refcount_tree()  local
788 	rb = (struct ocfs2_refcount_block *)blk_bh->b_data;  in ocfs2_remove_refcount_tree()
794 	if (le32_to_cpu(rb->rf_count) == 1) {  in ocfs2_remove_refcount_tree()
795 		blk = le64_to_cpu(rb->rf_blkno);  in ocfs2_remove_refcount_tree()
796 		bit = le16_to_cpu(rb->rf_suballoc_bit);  in ocfs2_remove_refcount_tree()
797 		if (rb->rf_suballoc_loc)  in ocfs2_remove_refcount_tree()
798 			bg_blkno = le64_to_cpu(rb->rf_suballoc_loc);  in ocfs2_remove_refcount_tree()
804 					le16_to_cpu(rb->rf_suballoc_slot));  in ocfs2_remove_refcount_tree()
849 	le32_add_cpu(&rb->rf_count , -1);  in ocfs2_remove_refcount_tree()
852 	if (!rb->rf_count) {  in ocfs2_remove_refcount_tree()
889 	struct ocfs2_refcount_block *rb =  in ocfs2_find_refcount_rec_in_rl()  local
893 	for (; i < le16_to_cpu(rb->rf_records.rl_used); i++) {  in ocfs2_find_refcount_rec_in_rl()
894 		rec = &rb->rf_records.rl_recs[i];  in ocfs2_find_refcount_rec_in_rl()
912 		if (i < le16_to_cpu(rb->rf_records.rl_used) &&  in ocfs2_find_refcount_rec_in_rl()
1078 	struct ocfs2_refcount_block *rb =  in ocfs2_get_refcount_rec()  local
1081 	if (!(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL)) {  in ocfs2_get_refcount_rec()
1089 	el = &rb->rf_list;  in ocfs2_get_refcount_rec()
1156 	ocfs2_refcount_rec_adjacent(struct ocfs2_refcount_block *rb,  in ocfs2_refcount_rec_adjacent()  argument
1159 	if ((rb->rf_records.rl_recs[index].r_refcount ==  in ocfs2_refcount_rec_adjacent()
1160 	    rb->rf_records.rl_recs[index + 1].r_refcount) &&  in ocfs2_refcount_rec_adjacent()
1161 	    (le64_to_cpu(rb->rf_records.rl_recs[index].r_cpos) +  in ocfs2_refcount_rec_adjacent()
1162 	    le32_to_cpu(rb->rf_records.rl_recs[index].r_clusters) ==  in ocfs2_refcount_rec_adjacent()
1163 	    le64_to_cpu(rb->rf_records.rl_recs[index + 1].r_cpos)))  in ocfs2_refcount_rec_adjacent()
1170 	ocfs2_refcount_rec_contig(struct ocfs2_refcount_block *rb,  in ocfs2_refcount_rec_contig()  argument
1175 	if (index < le16_to_cpu(rb->rf_records.rl_used) - 1)  in ocfs2_refcount_rec_contig()
1176 		ret = ocfs2_refcount_rec_adjacent(rb, index);  in ocfs2_refcount_rec_contig()
1181 		tmp = ocfs2_refcount_rec_adjacent(rb, index - 1);  in ocfs2_refcount_rec_contig()
1194 static void ocfs2_rotate_refcount_rec_left(struct ocfs2_refcount_block *rb,  in ocfs2_rotate_refcount_rec_left()  argument
1197 	BUG_ON(rb->rf_records.rl_recs[index].r_refcount !=  in ocfs2_rotate_refcount_rec_left()
1198 	       rb->rf_records.rl_recs[index+1].r_refcount);  in ocfs2_rotate_refcount_rec_left()
1200 	le32_add_cpu(&rb->rf_records.rl_recs[index].r_clusters,  in ocfs2_rotate_refcount_rec_left()
1201 		     le32_to_cpu(rb->rf_records.rl_recs[index+1].r_clusters));  in ocfs2_rotate_refcount_rec_left()
1203 	if (index < le16_to_cpu(rb->rf_records.rl_used) - 2)  in ocfs2_rotate_refcount_rec_left()
1204 		memmove(&rb->rf_records.rl_recs[index + 1],  in ocfs2_rotate_refcount_rec_left()
1205 			&rb->rf_records.rl_recs[index + 2],  in ocfs2_rotate_refcount_rec_left()
1207 			(le16_to_cpu(rb->rf_records.rl_used) - index - 2));  in ocfs2_rotate_refcount_rec_left()
1209 	memset(&rb->rf_records.rl_recs[le16_to_cpu(rb->rf_records.rl_used) - 1],  in ocfs2_rotate_refcount_rec_left()
1211 	le16_add_cpu(&rb->rf_records.rl_used, -1);  in ocfs2_rotate_refcount_rec_left()
1217 static void ocfs2_refcount_rec_merge(struct ocfs2_refcount_block *rb,  in ocfs2_refcount_rec_merge()  argument
1221 				ocfs2_refcount_rec_contig(rb, index);  in ocfs2_refcount_rec_merge()
1231 	ocfs2_rotate_refcount_rec_left(rb, index);  in ocfs2_refcount_rec_merge()
1234 		ocfs2_rotate_refcount_rec_left(rb, index);  in ocfs2_refcount_rec_merge()
1247 	struct ocfs2_refcount_block *rb =  in ocfs2_change_refcount_rec()  local
1249 	struct ocfs2_refcount_list *rl = &rb->rf_records;  in ocfs2_change_refcount_rec()
1275 		ocfs2_refcount_rec_merge(rb, index);  in ocfs2_change_refcount_rec()
1460 	struct ocfs2_refcount_block *rb =  in ocfs2_divide_leaf_refcount_block()  local
1462 	struct ocfs2_refcount_list *rl = &rb->rf_records;  in ocfs2_divide_leaf_refcount_block()
1668 	struct ocfs2_refcount_block *rb =  in ocfs2_adjust_refcount_rec()  local
1672 	if (!(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL))  in ocfs2_adjust_refcount_rec()
1675 	rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;  in ocfs2_adjust_refcount_rec()
1676 	old_cpos = le32_to_cpu(rb->rf_cpos);  in ocfs2_adjust_refcount_rec()
1732 	rb->rf_cpos = cpu_to_le32(new_cpos);  in ocfs2_adjust_refcount_rec()
1751 	struct ocfs2_refcount_block *rb =  in ocfs2_insert_refcount_rec()  local
1753 	struct ocfs2_refcount_list *rf_list = &rb->rf_records;  in ocfs2_insert_refcount_rec()
1756 	BUG_ON(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL);  in ocfs2_insert_refcount_rec()
1778 		rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;  in ocfs2_insert_refcount_rec()
1779 		rf_list = &rb->rf_records;  in ocfs2_insert_refcount_rec()
1805 		ocfs2_refcount_rec_merge(rb, index);  in ocfs2_insert_refcount_rec()
1841 	struct ocfs2_refcount_block *rb =  in ocfs2_split_refcount_rec()  local
1843 	struct ocfs2_refcount_list *rf_list = &rb->rf_records;  in ocfs2_split_refcount_rec()
1848 	BUG_ON(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL);  in ocfs2_split_refcount_rec()
1908 		rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;  in ocfs2_split_refcount_rec()
1909 		rf_list = &rb->rf_records;  in ocfs2_split_refcount_rec()
1976 			ocfs2_refcount_rec_merge(rb, index);  in ocfs2_split_refcount_rec()
2089 	struct ocfs2_refcount_block *rb =  in ocfs2_remove_refcount_extent()  local
2093 	BUG_ON(rb->rf_records.rl_used);  in ocfs2_remove_refcount_extent()
2098 		le32_to_cpu(rb->rf_cpos));  in ocfs2_remove_refcount_extent()
2101 	ret = ocfs2_remove_extent(handle, &et, le32_to_cpu(rb->rf_cpos),  in ocfs2_remove_refcount_extent()
2115 					le16_to_cpu(rb->rf_suballoc_slot),  in ocfs2_remove_refcount_extent()
2116 					le64_to_cpu(rb->rf_suballoc_loc),  in ocfs2_remove_refcount_extent()
2117 					le64_to_cpu(rb->rf_blkno),  in ocfs2_remove_refcount_extent()
2118 					le16_to_cpu(rb->rf_suballoc_bit));  in ocfs2_remove_refcount_extent()
2131 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_remove_refcount_extent()
2133 	le32_add_cpu(&rb->rf_clusters, -1);  in ocfs2_remove_refcount_extent()
2139 	if (!rb->rf_list.l_next_free_rec) {  in ocfs2_remove_refcount_extent()
2140 		BUG_ON(rb->rf_clusters);  in ocfs2_remove_refcount_extent()
2145 		rb->rf_flags = 0;  in ocfs2_remove_refcount_extent()
2146 		rb->rf_parent = 0;  in ocfs2_remove_refcount_extent()
2147 		rb->rf_cpos = 0;  in ocfs2_remove_refcount_extent()
2148 		memset(&rb->rf_records, 0, sb->s_blocksize -  in ocfs2_remove_refcount_extent()
2150 		rb->rf_records.rl_count =  in ocfs2_remove_refcount_extent()
2181 	struct ocfs2_refcount_block *rb =  in ocfs2_decrease_refcount_rec()  local
2183 	struct ocfs2_refcount_rec *rec = &rb->rf_records.rl_recs[index];  in ocfs2_decrease_refcount_rec()
2216 	if (!rb->rf_records.rl_used && ref_leaf_bh != ref_root_bh) {  in ocfs2_decrease_refcount_rec()
2387 	struct ocfs2_refcount_block *rb;  in ocfs2_calc_refcount_meta_credits()  local
2407 				rb = (struct ocfs2_refcount_block *)  in ocfs2_calc_refcount_meta_credits()
2410 				if (le16_to_cpu(rb->rf_records.rl_used) +  in ocfs2_calc_refcount_meta_credits()
2412 				    le16_to_cpu(rb->rf_records.rl_count))  in ocfs2_calc_refcount_meta_credits()
2471 		rb = (struct ocfs2_refcount_block *)prev_bh->b_data;  in ocfs2_calc_refcount_meta_credits()
2473 		if (le16_to_cpu(rb->rf_records.rl_used) + recs_add >  in ocfs2_calc_refcount_meta_credits()
2474 		    le16_to_cpu(rb->rf_records.rl_count))  in ocfs2_calc_refcount_meta_credits()
2493 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_calc_refcount_meta_credits()
2494 	if (le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL) {  in ocfs2_calc_refcount_meta_credits()
3547 	struct ocfs2_refcount_block *rb;  in ocfs2_refcounted_xattr_delete_need()  local
3574 			rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;  in ocfs2_refcounted_xattr_delete_need()
3583 			if (le16_to_cpu(rb->rf_records.rl_used) + clusters * 2 >  in ocfs2_refcounted_xattr_delete_need()
3584 			    le16_to_cpu(rb->rf_records.rl_count))  in ocfs2_refcounted_xattr_delete_need()
3603 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_refcounted_xattr_delete_need()
3604 	if (le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL)  in ocfs2_refcounted_xattr_delete_need()
4124 	struct ocfs2_refcount_block *rb;  in ocfs2_create_reflink_node()  local
4151 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_create_reflink_node()