Be sure that bl_wq wait queue initialized in net_init hook
is not used anymore.
Signed-off-by: Vasily Averin <[email protected]>
---
fs/nfs/blocklayout/rpc_pipefs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/nfs/blocklayout/rpc_pipefs.c b/fs/nfs/blocklayout/rpc_pipefs.c
index 9fb067a6..8c3941b 100644
--- a/fs/nfs/blocklayout/rpc_pipefs.c
+++ b/fs/nfs/blocklayout/rpc_pipefs.c
@@ -256,6 +256,9 @@ static void nfs4blocklayout_net_exit(struct net *net)
nfs4blocklayout_unregister_net(net, nn->bl_device_pipe);
rpc_destroy_pipe_data(nn->bl_device_pipe);
nn->bl_device_pipe = NULL;
+ WARN_ONCE(!list_empty(&nn->bl_wq.head),
+ "net %x %s: bl_wq head is not empty\n",
+ net->ns.inum, __func__);
}
static struct pernet_operations nfs4blocklayout_net_ops = {
--
2.7.4