sunrpc: simplify xdr_shrink_pagelen use of "copy"
The "copy" variable value can be computed using the existing logic rather than repeating it. Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -402,14 +402,13 @@ xdr_shrink_pagelen(struct xdr_buf *buf, size_t len)
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/* Shift the tail first */
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/* Shift the tail first */
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if (tail->iov_len != 0) {
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if (tail->iov_len != 0) {
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copy = len;
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if (tail->iov_len > len) {
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if (tail->iov_len > len) {
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char *p = (char *)tail->iov_base + len;
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char *p = (char *)tail->iov_base + len;
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memmove(p, tail->iov_base, tail->iov_len - len);
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memmove(p, tail->iov_base, tail->iov_len - len);
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}
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} else
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/* Copy from the inlined pages into the tail */
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copy = len;
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if (copy > tail->iov_len)
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copy = tail->iov_len;
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copy = tail->iov_len;
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/* Copy from the inlined pages into the tail */
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_copy_from_pages((char *)tail->iov_base,
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_copy_from_pages((char *)tail->iov_base,
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buf->pages, buf->page_base + pglen - len,
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buf->pages, buf->page_base + pglen - len,
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copy);
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copy);
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