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order of I/Oorder of I/OPosted Apr 17, 2004 0:17 UTC (Sat) by corbet (editor, #1)In reply to: order of I/O by giraffedata Parent article: VM changes in 2.6.6 Actually, the order is determined by the I/O scheduler. But the scheduler can only work with requests once they are handed to it. Changing that order can make a big difference in what the driver sees. And, apparently, in some situations, the performance difference can be significant - either better or worse.
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