tree a3778632eabc961ce3b8c32ecfeeb48383cf78e0
parent 3542a5c0de3d5b33227214a692bf9b12e249078e
author Jens Axboe <jens.axboe@oracle.com> 1253210354 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1253540433 +0200

writeback: make balance_dirty_pages() gradually back more off

Currently it just sleeps for a very short time, just 1 jiffy. If
we keep looping in there, continually delay for a little longer
of up to 100msec in total. That was the old limit for congestion
wait.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>