Allow building as a module with CONFIG_BCACHE_CLOSURE_DEBUG.
Previously bcache.o required access to closure_lock. Instead
of exposing this symbol move the affected function.
---
block/bcache_util.c | 11 +++++++++++
block/bcache_util.h | 17 +----------------
2 files changed, 12 insertions(+), 16 deletions(-)
diff --git a/block/bcache_util.c b/block/bcache_util.c
index 8e147de..19846fb 100644
--- a/block/bcache_util.c
+++ b/block/bcache_util.c
@@ -476,6 +476,17 @@ void closure_sync(struct closure *c)
}
EXPORT_SYMBOL_GPL(closure_sync);
+void closure_del(struct closure *c)
+{
+#ifdef CONFIG_BCACHE_CLOSURE_DEBUG
+ unsigned long flags;
+ spin_lock_irqsave(&closure_lock, flags);
+ list_del(&c->all);
+ spin_unlock_irqrestore(&closure_lock, flags);
+#endif
+}
+EXPORT_SYMBOL_GPL(closure_del);
+
#ifdef CONFIG_BCACHE_CLOSURE_DEBUG
#ifdef CONFIG_DEBUG_FS
diff --git a/block/bcache_util.h b/block/bcache_util.h
index d208131..872ca56 100644
--- a/block/bcache_util.h
+++ b/block/bcache_util.h
@@ -474,22 +474,7 @@ void closure_run_wait(closure_list_t *list, struct
workqueue_struct *wq);
bool closure_wait(closure_list_t *list, struct closure *c);
void closure_sync(struct closure *c);
void __closure_sleep(struct closure *c);
-
-#ifdef CONFIG_BCACHE_CLOSURE_DEBUG
-extern struct list_head closures;
-extern spinlock_t closure_lock;
-
-static inline void closure_del(struct closure *c)
-{
- unsigned long flags;
- spin_lock_irqsave(&closure_lock, flags);
- list_del(&c->all);
- spin_unlock_irqrestore(&closure_lock, flags);
-}
-
-#else
-static inline void closure_del(struct closure *c) {}
-#endif
+void closure_del(struct closure *c);
static inline void closure_init(struct closure *c, struct closure *parent)
{
--
1.7.4.4
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