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()
117 			    (unsigned long long)le64_to_cpu(rb->rf_blkno));  in ocfs2_validate_refcount_block()
121 	if (le32_to_cpu(rb->rf_fs_generation) != OCFS2_SB(sb)->fs_generation) {  in ocfs2_validate_refcount_block()
126 			    le32_to_cpu(rb->rf_fs_generation));  in ocfs2_validate_refcount_block()
460 	struct ocfs2_refcount_block *rb;  in ocfs2_lock_refcount_tree()  local
487 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_lock_refcount_tree()
497 	if (tree->rf_generation != le32_to_cpu(rb->rf_generation)) {  in ocfs2_lock_refcount_tree()
569 	struct ocfs2_refcount_block *rb;  in ocfs2_create_refcount_tree()  local
631 	rb = (struct ocfs2_refcount_block *)new_bh->b_data;  in ocfs2_create_refcount_tree()
632 	memset(rb, 0, inode->i_sb->s_blocksize);  in ocfs2_create_refcount_tree()
633 	strcpy((void *)rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);  in ocfs2_create_refcount_tree()
634 	rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);  in ocfs2_create_refcount_tree()
635 	rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);  in ocfs2_create_refcount_tree()
636 	rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);  in ocfs2_create_refcount_tree()
637 	rb->rf_fs_generation = cpu_to_le32(osb->fs_generation);  in ocfs2_create_refcount_tree()
638 	rb->rf_blkno = cpu_to_le64(first_blkno);  in ocfs2_create_refcount_tree()
639 	rb->rf_count = cpu_to_le32(1);  in ocfs2_create_refcount_tree()
640 	rb->rf_records.rl_count =  in ocfs2_create_refcount_tree()
643 	rb->rf_generation = osb->s_next_generation++;  in ocfs2_create_refcount_tree()
662 	new_tree->rf_generation = le32_to_cpu(rb->rf_generation);  in ocfs2_create_refcount_tree()
710 	struct ocfs2_refcount_block *rb;  in ocfs2_set_refcount_tree()  local
743 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_set_refcount_tree()
744 	le32_add_cpu(&rb->rf_count, 1);  in ocfs2_set_refcount_tree()
771 	struct ocfs2_refcount_block *rb;  in ocfs2_remove_refcount_tree()  local
790 	rb = (struct ocfs2_refcount_block *)blk_bh->b_data;  in ocfs2_remove_refcount_tree()
796 	if (le32_to_cpu(rb->rf_count) == 1) {  in ocfs2_remove_refcount_tree()
797 		blk = le64_to_cpu(rb->rf_blkno);  in ocfs2_remove_refcount_tree()
798 		bit = le16_to_cpu(rb->rf_suballoc_bit);  in ocfs2_remove_refcount_tree()
799 		if (rb->rf_suballoc_loc)  in ocfs2_remove_refcount_tree()
800 			bg_blkno = le64_to_cpu(rb->rf_suballoc_loc);  in ocfs2_remove_refcount_tree()
806 					le16_to_cpu(rb->rf_suballoc_slot));  in ocfs2_remove_refcount_tree()
851 	le32_add_cpu(&rb->rf_count , -1);  in ocfs2_remove_refcount_tree()
854 	if (!rb->rf_count) {  in ocfs2_remove_refcount_tree()
891 	struct ocfs2_refcount_block *rb =  in ocfs2_find_refcount_rec_in_rl()  local
895 	for (; i < le16_to_cpu(rb->rf_records.rl_used); i++) {  in ocfs2_find_refcount_rec_in_rl()
896 		rec = &rb->rf_records.rl_recs[i];  in ocfs2_find_refcount_rec_in_rl()
914 		if (i < le16_to_cpu(rb->rf_records.rl_used) &&  in ocfs2_find_refcount_rec_in_rl()
1080 	struct ocfs2_refcount_block *rb =  in ocfs2_get_refcount_rec()  local
1083 	if (!(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL)) {  in ocfs2_get_refcount_rec()
1091 	el = &rb->rf_list;  in ocfs2_get_refcount_rec()
1160 	ocfs2_refcount_rec_adjacent(struct ocfs2_refcount_block *rb,  in ocfs2_refcount_rec_adjacent()  argument
1163 	if ((rb->rf_records.rl_recs[index].r_refcount ==  in ocfs2_refcount_rec_adjacent()
1164 	    rb->rf_records.rl_recs[index + 1].r_refcount) &&  in ocfs2_refcount_rec_adjacent()
1165 	    (le64_to_cpu(rb->rf_records.rl_recs[index].r_cpos) +  in ocfs2_refcount_rec_adjacent()
1166 	    le32_to_cpu(rb->rf_records.rl_recs[index].r_clusters) ==  in ocfs2_refcount_rec_adjacent()
1167 	    le64_to_cpu(rb->rf_records.rl_recs[index + 1].r_cpos)))  in ocfs2_refcount_rec_adjacent()
1174 	ocfs2_refcount_rec_contig(struct ocfs2_refcount_block *rb,  in ocfs2_refcount_rec_contig()  argument
1179 	if (index < le16_to_cpu(rb->rf_records.rl_used) - 1)  in ocfs2_refcount_rec_contig()
1180 		ret = ocfs2_refcount_rec_adjacent(rb, index);  in ocfs2_refcount_rec_contig()
1185 		tmp = ocfs2_refcount_rec_adjacent(rb, index - 1);  in ocfs2_refcount_rec_contig()
1198 static void ocfs2_rotate_refcount_rec_left(struct ocfs2_refcount_block *rb,  in ocfs2_rotate_refcount_rec_left()  argument
1201 	BUG_ON(rb->rf_records.rl_recs[index].r_refcount !=  in ocfs2_rotate_refcount_rec_left()
1202 	       rb->rf_records.rl_recs[index+1].r_refcount);  in ocfs2_rotate_refcount_rec_left()
1204 	le32_add_cpu(&rb->rf_records.rl_recs[index].r_clusters,  in ocfs2_rotate_refcount_rec_left()
1205 		     le32_to_cpu(rb->rf_records.rl_recs[index+1].r_clusters));  in ocfs2_rotate_refcount_rec_left()
1207 	if (index < le16_to_cpu(rb->rf_records.rl_used) - 2)  in ocfs2_rotate_refcount_rec_left()
1208 		memmove(&rb->rf_records.rl_recs[index + 1],  in ocfs2_rotate_refcount_rec_left()
1209 			&rb->rf_records.rl_recs[index + 2],  in ocfs2_rotate_refcount_rec_left()
1211 			(le16_to_cpu(rb->rf_records.rl_used) - index - 2));  in ocfs2_rotate_refcount_rec_left()
1213 	memset(&rb->rf_records.rl_recs[le16_to_cpu(rb->rf_records.rl_used) - 1],  in ocfs2_rotate_refcount_rec_left()
1215 	le16_add_cpu(&rb->rf_records.rl_used, -1);  in ocfs2_rotate_refcount_rec_left()
1221 static void ocfs2_refcount_rec_merge(struct ocfs2_refcount_block *rb,  in ocfs2_refcount_rec_merge()  argument
1225 				ocfs2_refcount_rec_contig(rb, index);  in ocfs2_refcount_rec_merge()
1235 	ocfs2_rotate_refcount_rec_left(rb, index);  in ocfs2_refcount_rec_merge()
1238 		ocfs2_rotate_refcount_rec_left(rb, index);  in ocfs2_refcount_rec_merge()
1251 	struct ocfs2_refcount_block *rb =  in ocfs2_change_refcount_rec()  local
1253 	struct ocfs2_refcount_list *rl = &rb->rf_records;  in ocfs2_change_refcount_rec()
1279 		ocfs2_refcount_rec_merge(rb, index);  in ocfs2_change_refcount_rec()
1466 	struct ocfs2_refcount_block *rb =  in ocfs2_divide_leaf_refcount_block()  local
1468 	struct ocfs2_refcount_list *rl = &rb->rf_records;  in ocfs2_divide_leaf_refcount_block()
1674 	struct ocfs2_refcount_block *rb =  in ocfs2_adjust_refcount_rec()  local
1678 	if (!(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL))  in ocfs2_adjust_refcount_rec()
1681 	rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;  in ocfs2_adjust_refcount_rec()
1682 	old_cpos = le32_to_cpu(rb->rf_cpos);  in ocfs2_adjust_refcount_rec()
1738 	rb->rf_cpos = cpu_to_le32(new_cpos);  in ocfs2_adjust_refcount_rec()
1757 	struct ocfs2_refcount_block *rb =  in ocfs2_insert_refcount_rec()  local
1759 	struct ocfs2_refcount_list *rf_list = &rb->rf_records;  in ocfs2_insert_refcount_rec()
1762 	BUG_ON(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL);  in ocfs2_insert_refcount_rec()
1784 		rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;  in ocfs2_insert_refcount_rec()
1785 		rf_list = &rb->rf_records;  in ocfs2_insert_refcount_rec()
1811 		ocfs2_refcount_rec_merge(rb, index);  in ocfs2_insert_refcount_rec()
1847 	struct ocfs2_refcount_block *rb =  in ocfs2_split_refcount_rec()  local
1849 	struct ocfs2_refcount_list *rf_list = &rb->rf_records;  in ocfs2_split_refcount_rec()
1854 	BUG_ON(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL);  in ocfs2_split_refcount_rec()
1914 		rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;  in ocfs2_split_refcount_rec()
1915 		rf_list = &rb->rf_records;  in ocfs2_split_refcount_rec()
1982 			ocfs2_refcount_rec_merge(rb, index);  in ocfs2_split_refcount_rec()
2095 	struct ocfs2_refcount_block *rb =  in ocfs2_remove_refcount_extent()  local
2099 	BUG_ON(rb->rf_records.rl_used);  in ocfs2_remove_refcount_extent()
2104 		le32_to_cpu(rb->rf_cpos));  in ocfs2_remove_refcount_extent()
2107 	ret = ocfs2_remove_extent(handle, &et, le32_to_cpu(rb->rf_cpos),  in ocfs2_remove_refcount_extent()
2121 					le16_to_cpu(rb->rf_suballoc_slot),  in ocfs2_remove_refcount_extent()
2122 					le64_to_cpu(rb->rf_suballoc_loc),  in ocfs2_remove_refcount_extent()
2123 					le64_to_cpu(rb->rf_blkno),  in ocfs2_remove_refcount_extent()
2124 					le16_to_cpu(rb->rf_suballoc_bit));  in ocfs2_remove_refcount_extent()
2137 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_remove_refcount_extent()
2139 	le32_add_cpu(&rb->rf_clusters, -1);  in ocfs2_remove_refcount_extent()
2145 	if (!rb->rf_list.l_next_free_rec) {  in ocfs2_remove_refcount_extent()
2146 		BUG_ON(rb->rf_clusters);  in ocfs2_remove_refcount_extent()
2151 		rb->rf_flags = 0;  in ocfs2_remove_refcount_extent()
2152 		rb->rf_parent = 0;  in ocfs2_remove_refcount_extent()
2153 		rb->rf_cpos = 0;  in ocfs2_remove_refcount_extent()
2154 		memset(&rb->rf_records, 0, sb->s_blocksize -  in ocfs2_remove_refcount_extent()
2156 		rb->rf_records.rl_count =  in ocfs2_remove_refcount_extent()
2187 	struct ocfs2_refcount_block *rb =  in ocfs2_decrease_refcount_rec()  local
2189 	struct ocfs2_refcount_rec *rec = &rb->rf_records.rl_recs[index];  in ocfs2_decrease_refcount_rec()
2222 	if (!rb->rf_records.rl_used && ref_leaf_bh != ref_root_bh) {  in ocfs2_decrease_refcount_rec()
2395 	struct ocfs2_refcount_block *rb;  in ocfs2_calc_refcount_meta_credits()  local
2415 				rb = (struct ocfs2_refcount_block *)  in ocfs2_calc_refcount_meta_credits()
2418 				if (le16_to_cpu(rb->rf_records.rl_used) +  in ocfs2_calc_refcount_meta_credits()
2420 				    le16_to_cpu(rb->rf_records.rl_count))  in ocfs2_calc_refcount_meta_credits()
2479 		rb = (struct ocfs2_refcount_block *)prev_bh->b_data;  in ocfs2_calc_refcount_meta_credits()
2481 		if (le16_to_cpu(rb->rf_records.rl_used) + recs_add >  in ocfs2_calc_refcount_meta_credits()
2482 		    le16_to_cpu(rb->rf_records.rl_count))  in ocfs2_calc_refcount_meta_credits()
2501 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_calc_refcount_meta_credits()
2502 	if (le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL) {  in ocfs2_calc_refcount_meta_credits()
3565 	struct ocfs2_refcount_block *rb;  in ocfs2_refcounted_xattr_delete_need()  local
3592 			rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;  in ocfs2_refcounted_xattr_delete_need()
3601 			if (le16_to_cpu(rb->rf_records.rl_used) + clusters * 2 >  in ocfs2_refcounted_xattr_delete_need()
3602 			    le16_to_cpu(rb->rf_records.rl_count))  in ocfs2_refcounted_xattr_delete_need()
3621 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_refcounted_xattr_delete_need()
3622 	if (le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL)  in ocfs2_refcounted_xattr_delete_need()
4142 	struct ocfs2_refcount_block *rb;  in ocfs2_create_reflink_node()  local
4169 	rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data;  in ocfs2_create_reflink_node()