swap: major rework, use /sbin/swapon for setting up swaps, fix merging of aliased swap disks

1 files changed, 6 insertions, 0 deletions

diff --git a/src/list.h b/src/list.h
index e49d953d0a..3cf18f1547 100644
--- a/src/list.h
+++ b/src/list.h
@@ -116,4 +116,10 @@
 #define LIST_FOREACH_SAFE(name,i,n,head)                                \
         for ((i) = (head); (i) && (((n) = (i)->name##_next), 1); (i) = (n))
 
+#define LIST_FOREACH_BEFORE(name,i,p)                                   \
+        for ((i) = (p)->name##_prev; (i); (i) = (i)->name##_prev)
+
+#define LIST_FOREACH_AFTER(name,i,p)                                    \
+        for ((i) = (p)->name##_next; (i); (i) = (i)->name##_next)
+
 #endif