[PATCH -next] nfsd: make nfsd_filecache_wq variable static

[Chen Zhou <chenzhou10@xxxxxxxxxx>]

Fix sparse warning:

fs/nfsd/filecache.c:55:25: warning:
	symbol 'nfsd_filecache_wq' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx>
---
 fs/nfsd/filecache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 23c1fa5..22e77ed 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -52,7 +52,7 @@ struct nfsd_fcache_disposal {
 	struct rcu_head rcu;
 };
 
-struct workqueue_struct *nfsd_filecache_wq __read_mostly;
+static struct workqueue_struct *nfsd_filecache_wq __read_mostly;
 
 static struct kmem_cache		*nfsd_file_slab;
 static struct kmem_cache		*nfsd_file_mark_slab;
-- 
2.7.4