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由 Chris Mason 提交于
The endio is done at reverse order of bio vectors. That means for a sequential read, the page first submitted will finish last in a bio. Considering we will do checksum (making cache hot) for every page, this does introduce delay (and chance to squeeze cache used soon) for pages submitted at the begining. I don't observe obvious performance difference with below patch at my simple test, but seems more natural to finish read in the order they are submitted. Signed-off-by: NShaohua Li <shaohua.li@intel.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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