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Commit c9e8d128 authored by Nicholas Bellinger's avatar Nicholas Bellinger
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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: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent dbcbc95c

lib/percpu-refcount.c

+3 −0
Original line number Diff line number Diff line
@@ -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);