[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/linux Add list_move a...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/252b46689510
branches:  riastradh-drm2
changeset: 788182:252b46689510
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 02:36:04 2013 +0000

description:
Add list_move and list_replace to <linux/list.h>.

diffstat:

 sys/external/bsd/drm2/include/linux/list.h |  18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)

diffs (38 lines):

diff -r c8ee4d80b70a -r 252b46689510 sys/external/bsd/drm2/include/linux/list.h
--- a/sys/external/bsd/drm2/include/linux/list.h        Wed Jul 24 02:35:49 2013 +0000
+++ b/sys/external/bsd/drm2/include/linux/list.h        Wed Jul 24 02:36:04 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: list.h,v 1.1.2.8 2013/07/24 02:24:29 riastradh Exp $   */
+/*     $NetBSD: list.h,v 1.1.2.9 2013/07/24 02:36:04 riastradh Exp $   */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -131,12 +131,28 @@
 }
 
 static inline void
+list_move(struct list_head *node, struct list_head *head)
+{
+       list_del(node);
+       list_add(node, head);
+}
+
+static inline void
 list_move_tail(struct list_head *node, struct list_head *head)
 {
        list_del(node);
        list_add_tail(node, head);
 }
 
+static inline void
+list_replace(struct list_head *old, struct list_head *new)
+{
+       new->lh_prev = old->lh_prev;
+       old->lh_prev->lh_next = new;
+       new->lh_next = old->lh_next;
+       old->lh_next->lh_prev = new;
+}
+
 #define        list_entry(PTR, TYPE, FIELD)    container_of(PTR, TYPE, FIELD)
 #define        list_first_entry(PTR, TYPE, FIELD)                              \
        list_entry(list_first((PTR)), TYPE, FIELD)