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bcachefs: Fix divide by zero in rebalance_work()
This fixes https://github.com/koverstreet/bcachefs-tools/issues/159 Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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@ -113,6 +113,10 @@ static void rebalance_work_accumulate(struct rebalance_work *w,
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unsigned percent_full;
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u64 work = dev_work + unknown_dev;
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/* avoid divide by 0 */
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if (!capacity)
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return;
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if (work < dev_work || work < unknown_dev)
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work = U64_MAX;
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work = min(work, capacity);
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