Simplify extent_quantize().
2cdf07aba9
(Fix extent_quantize() to
handle greater-than-huge-size extents.) solved a non-problem; the
expression passed in to index2size() was never too large. However the
expression could in principle underflow, so fix the actual (latent) bug
and remove unnecessary complexity.
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@ -16,12 +16,9 @@ extent_quantize(size_t size)
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assert(size > 0);
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ind = size2index(size + 1);
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if (ind == NSIZES) {
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/*
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* Allocation requests can't directly create extents that exceed
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* HUGE_MAXCLASS, but extent merging can create them.
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*/
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return (HUGE_MAXCLASS);
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if (ind == 0) {
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/* Avoid underflow. */
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return (index2size(0));
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}
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ret = index2size(ind - 1);
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assert(ret <= size);
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