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NFS41: map NFS4ERR_LAYOUTUNAVAILABLE to ENODATA
Instead of mapping it to EIO that is a fatal error and fails application. We'll go inband after getting NFS4ERR_LAYOUTUNAVAILABLE. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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@ -7795,6 +7795,15 @@ static void nfs4_layoutget_done(struct rpc_task *task, void *calldata)
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switch (task->tk_status) {
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case 0:
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goto out;
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/*
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* NFS4ERR_LAYOUTUNAVAILABLE means we are not supposed to use pnfs
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* on the file. set tk_status to -ENODATA to tell upper layer to
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* retry go inband.
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*/
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case -NFS4ERR_LAYOUTUNAVAILABLE:
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task->tk_status = -ENODATA;
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goto out;
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/*
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* NFS4ERR_BADLAYOUT means the MDS cannot return a layout of
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* length lgp->args.minlength != 0 (see RFC5661 section 18.43.3).
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