New upstream snapshot

[bcachefs-tools-debian] / include / linux / list.h

diff --git a/include/linux/list.h b/include/linux/list.h
index 4a317090621c4eda065d9e70b11493b4e5c1c479..3639dc997ed43de7ca1359ae3dc5dee299937083 100644 (file)
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -26,7 +26,6 @@
 #define list_for_each_entry(p, h, m)   cds_list_for_each_entry(p, h, m)
 #define list_for_each_entry_reverse(p, h, m) cds_list_for_each_entry_reverse(p, h, m)
 #define list_for_each_entry_safe(p, n, h, m) cds_list_for_each_entry_safe(p, n, h, m)
-#define list_for_each_entry_safe_reverse(p, n, h, m) cds_list_for_each_entry_safe_reverse(p, n, h, m)
 
 static inline int list_empty_careful(const struct list_head *head)
 {
@@ -54,6 +53,15 @@ static inline void list_splice_init(struct list_head *list,
 #define list_first_entry_or_null(ptr, type, member) \
        (!list_empty(ptr) ? list_first_entry(ptr, type, member) : NULL)
 
+#define list_prev_entry(pos, member) \
+       list_entry((pos)->member.prev, typeof(*(pos)), member)
+
+#define list_for_each_entry_safe_reverse(pos, n, head, member)         \
+       for (pos = list_last_entry(head, typeof(*pos), member),         \
+               n = list_prev_entry(pos, member);                       \
+            &pos->member != (head);                                    \
+            pos = n, n = list_prev_entry(n, member))
+
 /* hlists: */
 
 #include <urcu/hlist.h>