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-rw-r--r--include/linux/closure.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/closure.h b/include/linux/closure.h
index c554c6a08768..99155df162d0 100644
--- a/include/linux/closure.h
+++ b/include/linux/closure.h
@@ -194,6 +194,18 @@ static inline void closure_sync(struct closure *cl)
__closure_sync(cl);
}
+int __closure_sync_timeout(struct closure *cl, unsigned long timeout);
+
+static inline int closure_sync_timeout(struct closure *cl, unsigned long timeout)
+{
+#ifdef CONFIG_DEBUG_CLOSURES
+ BUG_ON(closure_nr_remaining(cl) != 1 && !cl->closure_get_happened);
+#endif
+ return cl->closure_get_happened
+ ? __closure_sync_timeout(cl, timeout)
+ : 0;
+}
+
#ifdef CONFIG_DEBUG_CLOSURES
void closure_debug_create(struct closure *cl);