47 	u32 cow_len;  member
2635 					   u32 *cow_len)  in ocfs2_refcount_cal_cow_clusters()  argument
2667 	*cow_len = 0;  in ocfs2_refcount_cal_cow_clusters()
2681 		if (*cow_len == 0) {  in ocfs2_refcount_cal_cow_clusters()
2695 		    (*cow_len && rec_end != le32_to_cpu(rec->e_cpos)) ||  in ocfs2_refcount_cal_cow_clusters()
2712 		if (!*cow_len)  in ocfs2_refcount_cal_cow_clusters()
2716 				(*cow_start + *cow_len);  in ocfs2_refcount_cal_cow_clusters()
2729 			*cow_len += leaf_clusters;  in ocfs2_refcount_cal_cow_clusters()
2730 		else if (*cow_len || (*cow_start == cpos)) {  in ocfs2_refcount_cal_cow_clusters()
2742 				*cow_len += leaf_clusters;  in ocfs2_refcount_cal_cow_clusters()
2744 				*cow_len += want_clusters;  in ocfs2_refcount_cal_cow_clusters()
2752 			*cow_len = contig_clusters;  in ocfs2_refcount_cal_cow_clusters()
2759 			*cow_len = contig_clusters;  in ocfs2_refcount_cal_cow_clusters()
2773 			*cow_len = rec_end - *cow_start;  in ocfs2_refcount_cal_cow_clusters()
2790 				*cow_len = want_clusters;  in ocfs2_refcount_cal_cow_clusters()
2792 				*cow_len = rec_end - *cow_start;  in ocfs2_refcount_cal_cow_clusters()
2796 		if ((*cow_start + *cow_len) >= (cpos + write_len))  in ocfs2_refcount_cal_cow_clusters()
3359 	u32 cow_start = context->cow_start, cow_len = context->cow_len;  in ocfs2_replace_cow()  local
3371 	while (cow_len) {  in ocfs2_replace_cow()
3381 		if (cow_len < num_clusters)  in ocfs2_replace_cow()
3382 			num_clusters = cow_len;  in ocfs2_replace_cow()
3392 		cow_len -= num_clusters;  in ocfs2_replace_cow()
3414 	u32 cow_start = 0, cow_len = 0;  in ocfs2_refcount_cow_hunk()  local
3425 					      &cow_start, &cow_len);  in ocfs2_refcount_cow_hunk()
3433 				      cow_start, cow_len);  in ocfs2_refcount_cow_hunk()
3435 	BUG_ON(cow_len == 0);  in ocfs2_refcount_cow_hunk()
3453 	context->cow_len = cow_len;  in ocfs2_refcount_cow_hunk()
3632 	u32 cow_start, cow_len;  in ocfs2_refcount_cow_xattr()  local
3638 					      &cow_start, &cow_len);  in ocfs2_refcount_cow_xattr()
3644 	BUG_ON(cow_len == 0);  in ocfs2_refcount_cow_xattr()
3655 	context->cow_len = cow_len;  in ocfs2_refcount_cow_xattr()
3663 		ocfs2_clusters_to_blocks(inode->i_sb, 1) * cow_len;  in ocfs2_refcount_cow_xattr()