[PATCH 036/241] NFSv4: nfs4_locku_done must release the sequence id
Herton Ronaldo Krzesinski
herton.krzesinski at canonical.com
Thu Dec 13 13:56:41 UTC 2012
3.5.7.2 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Trond Myklebust <Trond.Myklebust at netapp.com>
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 at netapp.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski at canonical.com>
---
fs/nfs/nfs4proc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e690a13..9b1ac5c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4342,6 +4342,7 @@ 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)
--
1.7.9.5
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