NFSv4: Reduce the chances of an open_owner identifier collision

Currently we just use a 32-bit counter.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 6b424407d631..ccb455053ee4 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -130,7 +130,6 @@ static struct nfs_client *nfs_alloc_client(const char *hostname,
 #ifdef CONFIG_NFS_V4
         init_rwsem(&clp->cl_sem);
         INIT_LIST_HEAD(&clp->cl_delegations);
-        INIT_LIST_HEAD(&clp->cl_state_owners);
         spin_lock_init(&clp->cl_lock);
         INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
         rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client");
@@ -154,7 +153,7 @@ static void nfs4_shutdown_client(struct nfs_client *clp)
 #ifdef CONFIG_NFS_V4
         if (__test_and_clear_bit(NFS_CS_RENEWD, &clp->cl_res_state))
                 nfs4_kill_renewd(clp);
-        BUG_ON(!list_empty(&clp->cl_state_owners));
+        BUG_ON(!RB_EMPTY_ROOT(&clp->cl_state_owners));
         if (__test_and_clear_bit(NFS_CS_IDMAP, &clp->cl_res_state))
                 nfs_idmap_delete(clp);
 #endif