175 #define container_of(ptr, sample, member)				\  argument
177 	     - ((char *)&(sample)->member - (char *)(sample)))
180 #define list_first_entry(ptr, type, member) \  argument
181         LIST_ENTRY(type, (ptr)->next, member)
183 #define list_last_entry(ptr, type, member) \  argument
184         LIST_ENTRY(type, (ptr)->prev, member)
187 #define LIST_FOR_EACH_ENTRY(pos, head, member)				\  argument
188    for (pos = NULL, pos = container_of((head)->next, pos, member);	\
189 	&pos->member != (head);						\
190 	pos = container_of(pos->member.next, pos, member))
192 #define LIST_FOR_EACH_ENTRY_SAFE(pos, storage, head, member)	\  argument
193    for (pos = NULL, pos = container_of((head)->next, pos, member),	\
194 	storage = container_of(pos->member.next, pos, member);	\
195 	&pos->member != (head);						\
196 	pos = storage, storage = container_of(storage->member.next, storage, member))
198 #define LIST_FOR_EACH_ENTRY_SAFE_REV(pos, storage, head, member)	\  argument
199    for (pos = NULL, pos = container_of((head)->prev, pos, member),	\
200 	storage = container_of(pos->member.prev, pos, member);		\
201 	&pos->member != (head);						\
202 	pos = storage, storage = container_of(storage->member.prev, storage, member))
204 #define LIST_FOR_EACH_ENTRY_FROM(pos, start, head, member)		\  argument
205    for (pos = NULL, pos = container_of((start), pos, member);		\
206 	&pos->member != (head);						\
207 	pos = container_of(pos->member.next, pos, member))
209 #define LIST_FOR_EACH_ENTRY_FROM_REV(pos, start, head, member)		\  argument
210    for (pos = NULL, pos = container_of((start), pos, member);		\
211 	&pos->member != (head);						\
212 	pos = container_of(pos->member.prev, pos, member))
214 #define list_for_each_entry(type, pos, head, member)                    \  argument
215    for (type *pos = LIST_ENTRY(type, (head)->next, member);             \
216 	&pos->member != (head);                                         \
217 	pos = LIST_ENTRY(type, pos->member.next, member))
219 #define list_for_each_entry_safe(type, pos, head, member)               \  argument
220    for (type *pos = LIST_ENTRY(type, (head)->next, member),             \
221 	     *__next = LIST_ENTRY(type, pos->member.next, member);      \
222 	&pos->member != (head);                                         \
224         __next = LIST_ENTRY(type, __next->member.next, member))
226 #define list_for_each_entry_rev(type, pos, head, member)                \  argument
227    for (type *pos = LIST_ENTRY(type, (head)->prev, member);             \
228 	&pos->member != (head);                                         \
229 	pos = LIST_ENTRY(type, pos->member.prev, member))
231 #define list_for_each_entry_safe_rev(type, pos, head, member)           \  argument
232    for (type *pos = LIST_ENTRY(type, (head)->prev, member),             \
233 	     *__prev = LIST_ENTRY(type, pos->member.prev, member);      \
234 	&pos->member != (head);                                         \
236         __prev = LIST_ENTRY(type, __prev->member.prev, member))
238 #define list_for_each_entry_from(type, pos, start, head, member)        \  argument
239    for (type *pos = LIST_ENTRY(type, (start), member);                  \
240 	&pos->member != (head);                                         \
241 	pos = LIST_ENTRY(type, pos->member.next, member))
243 #define list_for_each_entry_from_rev(type, pos, start, head, member)    \  argument
244    for (type *pos = LIST_ENTRY(type, (start), member);                  \
245 	&pos->member != (head);                                         \
246 	pos = LIST_ENTRY(type, pos->member.prev, member))