167 				union smc_host_cursor *old,  in smc_curs_diff()  argument
170 	if (old->wrap != new->wrap)  in smc_curs_diff()
172 			     ((size - old->count) + new->count));  in smc_curs_diff()
174 	return max_t(int, 0, (new->count - old->count));  in smc_curs_diff()
181 				union smc_host_cursor *old,  in smc_curs_comp()  argument
184 	if (old->wrap > new->wrap ||  in smc_curs_comp()
185 	    (old->wrap == new->wrap && old->count > new->count))  in smc_curs_comp()
186 		return -smc_curs_diff(size, new, old);  in smc_curs_comp()
187 	return smc_curs_diff(size, old, new);  in smc_curs_comp()
194 				      union smc_host_cursor *old,  in smc_curs_diff_large()  argument
197 	if (old->wrap < new->wrap)  in smc_curs_diff_large()
199 			     (size - old->count) + new->count +  in smc_curs_diff_large()
200 			     (new->wrap - old->wrap - 1) * size,  in smc_curs_diff_large()
203 	if (old->wrap > new->wrap) /* wrap has switched from 0xffff to 0x0000 */  in smc_curs_diff_large()
205 			     (size - old->count) + new->count +  in smc_curs_diff_large()
206 			     (new->wrap + 0xffff - old->wrap) * size,  in smc_curs_diff_large()
209 	return max_t(int, 0, (new->count - old->count));  in smc_curs_diff_large()
243 	union smc_host_cursor temp, old;  in smc_cdc_cursor_to_host()  local
246 	smc_curs_copy(&old, local, conn);  in smc_cdc_cursor_to_host()
250 	if ((old.wrap > temp.wrap) && temp.wrap)  in smc_cdc_cursor_to_host()
252 	if ((old.wrap == temp.wrap) &&  in smc_cdc_cursor_to_host()
253 	    (old.count > temp.count))  in smc_cdc_cursor_to_host()