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authorShaohua Li <shaohua.li@intel.com>2009-12-28 15:18:44 +0300
committerJens Axboe <jens.axboe@oracle.com>2009-12-28 15:18:44 +0300
commit2f7a2d89a8b5915d89ad9ebeb0065db7d5831cea (patch)
tree776c4a7e47b07437c30411d7324b5a1c7de01696 /block/blk-settings.c
parent6ec1480d8539c8e2e6ba7fbbeffe5adc640bfe98 (diff)
downloadlinux-2f7a2d89a8b5915d89ad9ebeb0065db7d5831cea.tar.xz
cfq-iosched: don't regard requests with long distance as close
seek_mean could be very big sometimes, using it as close criteria is meaningless as this doen't improve any performance. So if it's big, let's fallback to default value. Reviewed-by: Corrado Zoccolo <czoccolo@gmail.com> Signed-off-by: Shaohua Li<shaohua.li@intel.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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