STAGING: Declare request_cache as static for drivers/staging/lustre/lustre/ptlrpc/client.c

Declare request_cache variable as static. It is only used by drivers/staging/lustre/lustre/ptlrpc/client.c, and its naming is common which will lead to namespace pollution.

---
 drivers/staging/lustre/lustre/ptlrpc/client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 45b7af7..347110e 100644
@@ -390,7 +390,7 @@ static int ptlrpc_at_recv_early_reply(struct ptlrpc_request *req)
 	return rc;
 }
 
-struct kmem_cache *request_cache;
+static struct kmem_cache *request_cache;
 
 int ptlrpc_request_cache_init(void)
 {

1.8.1.2