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Message-Id: <1350062057-2439-3-git-send-email-laijs@cn.fujitsu.com>
Date: Sat, 13 Oct 2012 01:14:15 +0800
From: Lai Jiangshan <laijs@...fujitsu.com>
To: linux-kernel@...r.kernel.org,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc: Lai Jiangshan <laijs@...fujitsu.com>
Subject: [PATCH 2/4] srcu: export process_srcu()
process_srcu() will be used in DEFINE_SRCU() (only).
Although it is exported, it is still an internal in srcu.h.
Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
include/linux/srcu.h | 2 ++
kernel/srcu.c | 6 ++----
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index a55ddb1..5cce128 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -78,6 +78,8 @@ int init_srcu_struct(struct srcu_struct *sp);
#endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */
+void process_srcu(struct work_struct *work);
+
/**
* call_srcu() - Queue a callback for invocation after an SRCU grace period
* @sp: srcu_struct in queue the callback
diff --git a/kernel/srcu.c b/kernel/srcu.c
index 610486d..bfe4c5a 100644
--- a/kernel/srcu.c
+++ b/kernel/srcu.c
@@ -94,9 +94,6 @@ static inline void rcu_batch_move(struct rcu_batch *to, struct rcu_batch *from)
}
}
-/* single-thread state-machine */
-static void process_srcu(struct work_struct *work);
-
static int init_srcu_struct_fields(struct srcu_struct *sp)
{
sp->completed = 0;
@@ -639,7 +636,7 @@ static void srcu_reschedule(struct srcu_struct *sp)
/*
* This is the work-queue function that handles SRCU grace periods.
*/
-static void process_srcu(struct work_struct *work)
+void process_srcu(struct work_struct *work)
{
struct srcu_struct *sp;
@@ -650,3 +647,4 @@ static void process_srcu(struct work_struct *work)
srcu_invoke_callbacks(sp);
srcu_reschedule(sp);
}
+EXPORT_SYMBOL_GPL(process_srcu);
--
1.7.7.6
--
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