Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 4/6] rbtree: Introduce rb_for_each_entry | Date | Thu, 7 Jan 2010 19:59:41 -0200 |
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From: Arnaldo Carvalho de Melo <acme@redhat.com>
Similar to list_for_each_entry, helps reducing boilerplate in many places and makes rbtrees closer to list.h macros.
First conversion will be in the tools/perf.
Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- include/linux/rbtree.h | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index 9c29541..044b150 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -158,4 +158,16 @@ static inline void rb_link_node(struct rb_node * node, struct rb_node * parent, *rb_link = node; } +/** + * rb_for_each_entry - iterate over rbtree of given type + * @pos: the type * to hold the current entry being traversed + * @node: the rb_node to hold the current entry being traversed + * @root: the root for your tree. + * @member: the name of the rb_node within the struct. + */ +#define rb_for_each_entry(pos, node, root, member) \ + for (node = rb_first(root); \ + node && (pos = rb_entry(node, typeof(*pos), member)); \ + node = rb_next(node)) + #endif /* _LINUX_RBTREE_H */ -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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