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Dept. of second thoughts: fix loop in BgBufferSync so that the exit when
bgwriter_lru_maxpages is exceeded leaves the loop variables in theexpected state. In the original coding, we'd fail to advancenext_to_clean, causing that buffer to be probably-uselessly rechecked nexttime, and also have an off-by-one idea of the number of buffers scanned.1 parent6f5c38d commit7a315a0
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