linux-kernel - [ 57/89] NFSv4.1: Ensure that nfs41_walk_client

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Date:	Fri,  1 Feb 2013 14:08:12 +0100
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	Chuck Lever <chuck.lever@...cle.com>,
	Ben Greear <greearb@...delatech.com>
Subject: [ 57/89] NFSv4.1: Ensure that nfs41_walk_client_list() does start lease recovery

3.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <Trond.Myklebust@...app.com>

commit 65436ec0c8e344d9b23302b686e418f2a7b7cf7b upstream.

We do need to start the lease recovery thread prior to waiting for the
client initialisation to complete in NFSv4.1.

Signed-off-by: Trond Myklebust <Trond.Myklebust@...app.com>
Cc: Chuck Lever <chuck.lever@...cle.com>
Cc: Ben Greear <greearb@...delatech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/nfs/nfs4client.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -439,14 +439,17 @@ int nfs41_walk_client_list(struct nfs_cl
 				nfs_put_client(prev);
 			prev = pos;
 
+			nfs4_schedule_lease_recovery(pos);
 			status = nfs_wait_client_init_complete(pos);
 			if (status < 0) {
 				nfs_put_client(pos);
 				spin_lock(&nn->nfs_client_lock);
 				continue;
 			}
-
+			status = pos->cl_cons_state;
 			spin_lock(&nn->nfs_client_lock);
+			if (status < 0)
+				continue;
 		}
 
 		if (pos->rpc_ops != new->rpc_ops)


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