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percpu-refcount: Add EXPORT_SYMBOL to use percpu_ref from modules

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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>
This commit is contained in:
Nicholas Bellinger 2013-11-07 10:45:35 -08:00
parent dbcbc95cd8
commit c9e8d128fe
1 changed files with 3 additions and 0 deletions
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3
lib/percpu-refcount.c
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@ -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);