K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2011-02-14T11:56:45.941221Z
K 7
svn:log
V 653
Rework idle events scheduling. Call idle() trasfotmation method for the
volume with no active payload requests with fixed period of idle_threshold,
instead of measuring that time from the last (probably internal) activity.

That change allows to reach full rebuild/resync speed supported by the disk.
Also it makes tunables closer related to some real world values.

Maximum speed for idle disk now is rebuild_slab_size * rebuild_cluster_idle
per idle_threshold interval. With present settings it is 100MB/s.
When disk is busy - rebuild does one rebuild_slab_size sized transaction
every rebuild_fair_io payload requests. Now it is 1MB per 20 requests.

END