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NFS: Avoid infinite loop when RELEASE_LOCKOWNER getting expired error
Fix Commit 60ea681299
(NFS: Migration support for RELEASE_LOCKOWNER)
If getting expired error, client will enter a infinite loop as,
client server
RELEASE_LOCKOWNER(old clid) ----->
<--- expired error
RENEW(old clid) ----->
<--- expired error
SETCLIENTID ----->
<--- a new clid
SETCLIENTID_CONFIRM (new clid) -->
<--- ok
RELEASE_LOCKOWNER(old clid) ----->
<--- expired error
RENEW(new clid) ----->
<-- ok
RELEASE_LOCKOWNER(old clid) ----->
<--- expired error
RENEW(new clid) ----->
<-- ok
... ...
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
[Trond: replace call to nfs4_async_handle_error() with
nfs4_schedule_lease_recovery()]
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
parent
122a8cda6a
commit
5b53dc88b0
1 changed files with 6 additions and 2 deletions
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@ -5942,8 +5942,10 @@ struct nfs_release_lockowner_data {
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static void nfs4_release_lockowner_prepare(struct rpc_task *task, void *calldata)
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{
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struct nfs_release_lockowner_data *data = calldata;
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nfs40_setup_sequence(data->server,
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&data->args.seq_args, &data->res.seq_res, task);
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struct nfs_server *server = data->server;
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nfs40_setup_sequence(server, &data->args.seq_args,
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&data->res.seq_res, task);
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data->args.lock_owner.clientid = server->nfs_client->cl_clientid;
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data->timestamp = jiffies;
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}
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@ -5960,6 +5962,8 @@ static void nfs4_release_lockowner_done(struct rpc_task *task, void *calldata)
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break;
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case -NFS4ERR_STALE_CLIENTID:
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case -NFS4ERR_EXPIRED:
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nfs4_schedule_lease_recovery(server->nfs_client);
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break;
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case -NFS4ERR_LEASE_MOVED:
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case -NFS4ERR_DELAY:
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if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN)
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