174 #define container_of(ptr, sample, member)				\  argument
176 	     - ((char *)&(sample)->member - (char *)(sample)))
179 #define list_first_entry(ptr, type, member) \  argument
180         LIST_ENTRY(type, (ptr)->next, member)
182 #define list_last_entry(ptr, type, member) \  argument
183         LIST_ENTRY(type, (ptr)->prev, member)
186 #define LIST_FOR_EACH_ENTRY(pos, head, member)				\  argument
187    for (pos = NULL, pos = container_of((head)->next, pos, member);	\
188 	&pos->member != (head);						\
189 	pos = container_of(pos->member.next, pos, member))
191 #define LIST_FOR_EACH_ENTRY_SAFE(pos, storage, head, member)	\  argument
192    for (pos = NULL, pos = container_of((head)->next, pos, member),	\
193 	storage = container_of(pos->member.next, pos, member);	\
194 	&pos->member != (head);						\
195 	pos = storage, storage = container_of(storage->member.next, storage, member))
197 #define LIST_FOR_EACH_ENTRY_SAFE_REV(pos, storage, head, member)	\  argument
198    for (pos = NULL, pos = container_of((head)->prev, pos, member),	\
199 	storage = container_of(pos->member.prev, pos, member);		\
200 	&pos->member != (head);						\
201 	pos = storage, storage = container_of(storage->member.prev, storage, member))
203 #define LIST_FOR_EACH_ENTRY_FROM(pos, start, head, member)		\  argument
204    for (pos = NULL, pos = container_of((start), pos, member);		\
205 	&pos->member != (head);						\
206 	pos = container_of(pos->member.next, pos, member))
208 #define LIST_FOR_EACH_ENTRY_FROM_REV(pos, start, head, member)		\  argument
209    for (pos = NULL, pos = container_of((start), pos, member);		\
210 	&pos->member != (head);						\
211 	pos = container_of(pos->member.prev, pos, member))
213 #define list_for_each_entry(type, pos, head, member)                    \  argument
214    for (type *pos = LIST_ENTRY(type, (head)->next, member);             \
215 	&pos->member != (head);                                         \
216 	pos = LIST_ENTRY(type, pos->member.next, member))
218 #define list_for_each_entry_safe(type, pos, head, member)               \  argument
219    for (type *pos = LIST_ENTRY(type, (head)->next, member),             \
220 	     *__next = LIST_ENTRY(type, pos->member.next, member);      \
221 	&pos->member != (head);                                         \
223         __next = LIST_ENTRY(type, __next->member.next, member))
225 #define list_for_each_entry_rev(type, pos, head, member)                \  argument
226    for (type *pos = LIST_ENTRY(type, (head)->prev, member);             \
227 	&pos->member != (head);                                         \
228 	pos = LIST_ENTRY(type, pos->member.prev, member))
230 #define list_for_each_entry_safe_rev(type, pos, head, member)           \  argument
231    for (type *pos = LIST_ENTRY(type, (head)->prev, member),             \
232 	     *__prev = LIST_ENTRY(type, pos->member.prev, member);      \
233 	&pos->member != (head);                                         \
235         __prev = LIST_ENTRY(type, __prev->member.prev, member))
237 #define list_for_each_entry_from(type, pos, start, head, member)        \  argument
238    for (type *pos = LIST_ENTRY(type, (start), member);                  \
239 	&pos->member != (head);                                         \
240 	pos = LIST_ENTRY(type, pos->member.next, member))
242 #define list_for_each_entry_from_rev(type, pos, start, head, member)    \  argument
243    for (type *pos = LIST_ENTRY(type, (start), member);                  \
244 	&pos->member != (head);                                         \
245 	pos = LIST_ENTRY(type, pos->member.prev, member))