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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-10-16 13:30:09 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-10-16 13:30:09 +0300 |
| commit | e7d9facf0bab6d919342fea17c8cc0f65f8a0fe9 (patch) | |
| tree | 8301035b4dcb273c211c04fe2c0d1cbaf897021b /include/linux/interval_tree.h | |
| parent | 28bcd199cc4465733c1ac0c70135a385fff97c71 (diff) | |
| parent | ddffeb8c4d0331609ef2581d84de4d763607bd37 (diff) | |
Merge tag 'v3.7-rc1'
Merge Linux 3.7-rc1 to get latest upstream changes.
Diffstat (limited to 'include/linux/interval_tree.h')
| -rw-r--r-- | include/linux/interval_tree.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/interval_tree.h b/include/linux/interval_tree.h new file mode 100644 index 000000000000..724556aa3c95 --- /dev/null +++ b/include/linux/interval_tree.h @@ -0,0 +1,27 @@ +#ifndef _LINUX_INTERVAL_TREE_H +#define _LINUX_INTERVAL_TREE_H + +#include <linux/rbtree.h> + +struct interval_tree_node { + struct rb_node rb; + unsigned long start; /* Start of interval */ + unsigned long last; /* Last location _in_ interval */ + unsigned long __subtree_last; +}; + +extern void +interval_tree_insert(struct interval_tree_node *node, struct rb_root *root); + +extern void +interval_tree_remove(struct interval_tree_node *node, struct rb_root *root); + +extern struct interval_tree_node * +interval_tree_iter_first(struct rb_root *root, + unsigned long start, unsigned long last); + +extern struct interval_tree_node * +interval_tree_iter_next(struct interval_tree_node *node, + unsigned long start, unsigned long last); + +#endif /* _LINUX_INTERVAL_TREE_H */ |