[PATCH -next] nfsd: Make two functions static

[YueHaibing]

Fix sparse warnings:

fs/nfsd/nfs4state.c:1908:6: warning: symbol 'drop_client' was not declared. Should it be static?
fs/nfsd/nfs4state.c:2518:6: warning: symbol 'force_expire_client' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 fs/nfsd/nfs4state.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 94de5c3..7857942 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1905,7 +1905,7 @@ static void __free_client(struct kref *k)
 	kmem_cache_free(client_slab, clp);
 }
 
-void drop_client(struct nfs4_client *clp)
+static void drop_client(struct nfs4_client *clp)
 {
 	kref_put(&clp->cl_nfsdfs.cl_ref, __free_client);
 }
@@ -2515,7 +2515,7 @@ static const struct file_operations client_states_fops = {
  * so the caller has a guarantee that the client's locks are gone by
  * the time the write returns:
  */
-void force_expire_client(struct nfs4_client *clp)
+static void force_expire_client(struct nfs4_client *clp)
 {
 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
 	bool already_expired;
-- 
2.7.4