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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-10-29 18:53:23 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-17 13:16:11 -0800
commit8827f3112b5f3bd0ffa21dc647cb22b197558c59 (patch)
tree5f0c0c36b291523ebcced14acf135bcd4879e549 /fs
parent43113027b701f7b3f63c577056a9160dd3053f37 (diff)
NFSv4: nfs4_locku_done must release the sequence id
commit 2b1bc308f492589f7d49012ed24561534ea2be8c upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4proc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b106b9729bcf..3b005ebb4685 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4306,6 +4306,7 @@ 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)