commit: 2b1bc308f492589f7d49012ed24561534ea2be8c
From: Trond Myklebust <[email protected]>
Date: Mon, 29 Oct 2012 18:53:23 -0400
Subject: NFSv4: nfs4_locku_done must release the sequence id

If the state recovery machinery is triggered by the call to
nfs4_async_handle_error() then we can deadlock.

Signed-off-by: Trond Myklebust <[email protected]>
Cc: [email protected]
---
 fs/nfs/nfs4proc.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e0423bb..1465364 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4531,6 +4531,7 @@ static void nfs4_locku_done(struct rpc_task *task, void 
*data)
                        if (nfs4_async_handle_error(task, calldata->server, 
NULL) == -EAGAIN)
                                rpc_restart_call_prepare(task);
        }
+       nfs_release_seqid(calldata->arg.seqid);
 }
 
 static void nfs4_locku_prepare(struct rpc_task *task, void *data)
-- 
1.7.3.4
--
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