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31 lines
831 B
C
31 lines
831 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_INTERVAL_TREE_H
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#define _LINUX_INTERVAL_TREE_H
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#include <linux/rbtree.h>
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struct interval_tree_node {
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struct rb_node rb;
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unsigned long start; /* Start of interval */
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unsigned long last; /* Last location _in_ interval */
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unsigned long __subtree_last;
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};
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extern void
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interval_tree_insert(struct interval_tree_node *node,
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struct rb_root_cached *root);
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extern void
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interval_tree_remove(struct interval_tree_node *node,
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struct rb_root_cached *root);
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extern struct interval_tree_node *
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interval_tree_iter_first(struct rb_root_cached *root,
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unsigned long start, unsigned long last);
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extern struct interval_tree_node *
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interval_tree_iter_next(struct interval_tree_node *node,
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unsigned long start, unsigned long last);
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#endif /* _LINUX_INTERVAL_TREE_H */
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