netdev - [PATCH v3 08/21] nfs client: exit

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Message-ID: <f06b08d0-d708-dfa9-5440-a00f59325585@virtuozzo.com>
Date:   Mon, 6 Nov 2017 16:24:21 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     netdev@...r.kernel.org
Cc:     linux-nfs@...r.kernel.org,
        Trond Myklebust <trond.myklebust@...marydata.com>,
        Anna Schumaker <anna.schumaker@...app.com>
Subject: [PATCH v3 08/21] nfs client: exit_net cleanup check added

Be sure that nfs_client_list and nfs_volume_list lists initialized
in net_init hook were return to initial state in net_exit hook.

Signed-off-by: Vasily Averin <vvs@...tuozzo.com>
---
 fs/nfs/client.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 22880ef..3966c98 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -204,6 +204,10 @@ void nfs_cleanup_cb_ident_idr(struct net *net)
 	struct nfs_net *nn = net_generic(net, nfs_net_id);
 
 	idr_destroy(&nn->cb_ident_idr);
+	WARN_ONCE(!list_empty(&nn->nfs_client_list),
+		  "net %x exit: nfs_client_list is not empty\n", net->ns.inum);
+	WARN_ONCE(!list_empty(&nn->nfs_volume_list),
+		  "net %x exit: nfs_volume_list is not empty\n", net->ns.inum);
 }
 
 /* nfs_client_lock held */
-- 
2.7.4