diff options
-rw-r--r-- | fs/notify/mark.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/notify/mark.c b/fs/notify/mark.c index 22acb0a79b53..b251105f646f 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -619,6 +619,11 @@ restart: /* mark should be the last entry. last is the current last entry */ hlist_add_behind_rcu(&mark->obj_list, &last->obj_list); added: + /* + * Since connector is attached to object using cmpxchg() we are + * guaranteed that connector initialization is fully visible by anyone + * seeing mark->connector set. + */ WRITE_ONCE(mark->connector, conn); out_err: spin_unlock(&conn->lock); |