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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /include/linux/interval_tree.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/interval_tree.h')
-rw-r--r--include/linux/interval_tree.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/interval_tree.h b/include/linux/interval_tree.h
new file mode 100644
index 000000000..288c26f50
--- /dev/null
+++ b/include/linux/interval_tree.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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_cached *root);
+
+extern void
+interval_tree_remove(struct interval_tree_node *node,
+ struct rb_root_cached *root);
+
+extern struct interval_tree_node *
+interval_tree_iter_first(struct rb_root_cached *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 */