tree 776c4a7e47b07437c30411d7324b5a1c7de01696
parent 6ec1480d8539c8e2e6ba7fbbeffe5adc640bfe98
author Shaohua Li <shaohua.li@intel.com> 1262002724 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1262002724 +0100

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>