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| author | David Howells | 2016-07-01 08:53:51 +0200 |
|---|---|---|
| committer | David Howells | 2016-07-06 11:51:14 +0200 |
| commit | c1adf20052d80f776849fa2c1acb472cdeb7786c (patch) | |
| tree | e73407fdc52ab77e9666ae7798c8b38b6da1ed09 /include/linux/rbtree.h | |
| parent | rxrpc: Move data_ready peer lookup into rxrpc_find_connection() (diff) | |
| download | kernel-qcow2-linux-c1adf20052d80f776849fa2c1acb472cdeb7786c.tar.gz kernel-qcow2-linux-c1adf20052d80f776849fa2c1acb472cdeb7786c.tar.xz kernel-qcow2-linux-c1adf20052d80f776849fa2c1acb472cdeb7786c.zip | |
Introduce rb_replace_node_rcu()
Implement an RCU-safe variant of rb_replace_node() and rearrange
rb_replace_node() to do things in the same order.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'include/linux/rbtree.h')
| -rw-r--r-- | include/linux/rbtree.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index b6900099ea81..e585018498d5 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -76,6 +76,8 @@ extern struct rb_node *rb_next_postorder(const struct rb_node *); /* Fast replacement of a single node without remove/rebalance/add/rebalance */ extern void rb_replace_node(struct rb_node *victim, struct rb_node *new, struct rb_root *root); +extern void rb_replace_node_rcu(struct rb_node *victim, struct rb_node *new, + struct rb_root *root); static inline void rb_link_node(struct rb_node *node, struct rb_node *parent, struct rb_node **rb_link) |