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NFSD: Simplify starting_len
Clean-up: Now that nfsd4_encode_readv() does not have to encode the EOF or rd_length values, it no longer needs to subtract 8 from @starting_len. Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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@ -3939,7 +3939,7 @@ static __be32 nfsd4_encode_readv(struct nfsd4_compoundres *resp,
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struct file *file, unsigned long maxcount)
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{
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struct xdr_stream *xdr = resp->xdr;
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int starting_len = xdr->buf->len - 8;
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unsigned int starting_len = xdr->buf->len;
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__be32 nfserr;
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__be32 tmp;
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int pad;
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@ -3954,14 +3954,13 @@ static __be32 nfsd4_encode_readv(struct nfsd4_compoundres *resp,
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read->rd_length = maxcount;
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if (nfserr)
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return nfserr;
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if (svc_encode_result_payload(resp->rqstp, starting_len + 8, maxcount))
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if (svc_encode_result_payload(resp->rqstp, starting_len, maxcount))
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return nfserr_io;
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xdr_truncate_encode(xdr, starting_len + 8 + xdr_align_size(maxcount));
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xdr_truncate_encode(xdr, starting_len + xdr_align_size(maxcount));
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tmp = xdr_zero;
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pad = (maxcount&3) ? 4 - (maxcount&3) : 0;
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write_bytes_to_xdr_buf(xdr->buf, starting_len + 8 + maxcount,
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&tmp, pad);
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write_bytes_to_xdr_buf(xdr->buf, starting_len + maxcount, &tmp, pad);
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return 0;
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}
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