From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
This patch adds EXPORT_SYMBOL() for percpu_ref_init(),
percpu_ref_cancel_init() and percpu_ref_kill_and_confirm() so
that percpu refcounting can be used by external modules.
Cc: Kent Overstreet <kmo@xxxxxxxxxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
---
lib/percpu-refcount.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index 7deeb62..25b9ac7 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -53,6 +53,7 @@ int percpu_ref_init(struct percpu_ref *ref, percpu_ref_func_t *release)
ref->release = release;
return 0;
}
+EXPORT_SYMBOL(percpu_ref_init);
/**
* percpu_ref_cancel_init - cancel percpu_ref_init()
@@ -84,6 +85,7 @@ void percpu_ref_cancel_init(struct percpu_ref *ref)
free_percpu(ref->pcpu_count);
}
}
+EXPORT_SYMBOL(percpu_ref_cancel_init);
static void percpu_ref_kill_rcu(struct rcu_head *rcu)
{
@@ -156,3 +158,4 @@ void percpu_ref_kill_and_confirm(struct percpu_ref *ref,
call_rcu_sched(&ref->rcu, percpu_ref_kill_rcu);
}
+EXPORT_SYMBOL(percpu_ref_kill_and_confirm);
--
1.7.10.4
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