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NFSv4: nfs4_locku_done must release the sequence id
author
Trond Myklebust
<Trond.Myklebust@netapp.com>
Mon, 29 Oct 2012 22:53:23 +0000
(18:53 -0400)
committer
Trond Myklebust
<Trond.Myklebust@netapp.com>
Wed, 31 Oct 2012 19:10:04 +0000
(15:10 -0400)
If the state recovery machinery is triggered by the call to
nfs4_async_handle_error() then we can deadlock.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
fs/nfs/nfs4proc.c
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diff --git
a/fs/nfs/nfs4proc.c
b/fs/nfs/nfs4proc.c
index
e0423bb
..
1465364
100644
(file)
--- 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)