percpu-refcount: Add EXPORT_SYMBOL to use percpu_ref from modules
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@daterainc.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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@ -53,6 +53,7 @@ int percpu_ref_init(struct percpu_ref *ref, percpu_ref_func_t *release)
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ref->release = release;
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return 0;
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}
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EXPORT_SYMBOL(percpu_ref_init);
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/**
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* percpu_ref_cancel_init - cancel percpu_ref_init()
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@ -84,6 +85,7 @@ void percpu_ref_cancel_init(struct percpu_ref *ref)
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free_percpu(ref->pcpu_count);
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}
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}
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EXPORT_SYMBOL(percpu_ref_cancel_init);
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static void percpu_ref_kill_rcu(struct rcu_head *rcu)
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{
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@ -156,3 +158,4 @@ void percpu_ref_kill_and_confirm(struct percpu_ref *ref,
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call_rcu_sched(&ref->rcu, percpu_ref_kill_rcu);
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}
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EXPORT_SYMBOL(percpu_ref_kill_and_confirm);
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