X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=flist.h;h=b4fe6e65f10f2c1dfb02943a0680c7c35e1cc0b6;hp=938ce1d8317378e18b5824128ac7c4b37f4ff893;hb=65342a641726a46ec64cd0cadb51b01f9c152812;hpb=aee2ab6775d96609a4632703827c409a7f9abcca

diff --git a/flist.h b/flist.h
index 938ce1d8..b4fe6e65 100644
--- a/flist.h
+++ b/flist.h
@@ -147,6 +147,15 @@ static inline void flist_splice_tail(struct flist_head *list,
 		__flist_splice(list, head->prev, head);
 }
 
+static inline void flist_splice_tail_init(struct flist_head *list,
+					  struct flist_head *head)
+{
+	if (!flist_empty(list)) {
+		__flist_splice(list, head->prev, head);
+		INIT_FLIST_HEAD(list);
+	}
+}
+
 static inline void flist_splice_init(struct flist_head *list,
 				    struct flist_head *head)
 {
@@ -165,6 +174,12 @@ static inline void flist_splice_init(struct flist_head *list,
 #define flist_entry(ptr, type, member) \
 	container_of(ptr, type, member)
 
+#define flist_first_entry(ptr, type, member) \
+	flist_entry((ptr)->next, type, member)
+
+#define flist_last_entry(ptr, type, member) \
+	flist_entry((ptr)->prev, type, member)
+
 /**
  * flist_for_each	-	iterate over a list
  * @pos:	the &struct flist_head to use as a loop counter.