NFSv4: Schedule recovery if nfs40_walk_client_list() is interrupted
If a timeout or a signal interrupts the NFSv4 trunking discovery SETCLIENTID_CONFIRM call, then we don't know whether or not the server has changed the callback identifier on us. Assume that it did, and schedule a 'path down' recovery... Tested-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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@ -531,6 +531,13 @@ int nfs40_walk_client_list(struct nfs_client *new,
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*result = pos;
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dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n",
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__func__, pos, atomic_read(&pos->cl_count));
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goto out;
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case -ERESTARTSYS:
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case -ETIMEDOUT:
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/* The callback path may have been inadvertently
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* changed. Schedule recovery!
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*/
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nfs4_schedule_path_down_recovery(pos);
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default:
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goto out;
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}
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