tree 977aef83761c4ef87d95f1e192bc1ae9c7cbdeac
parent c2f828977ba5d17c13debba374ea252d18e5ccfb
author David Chinner <dgc@sgi.com> 1187241671 +1000
committer Tim Shimmin <tes@chook.melbourne.sgi.com> 1190011322 +1000

[XFS] On-demand reaping of the MRU cache

Instead of running the mru cache reaper all the time based on a timeout,
we should only run it when the cache has active objects. This allows CPUs
to sleep when there is no activity rather than be woken repeatedly just to
check if there is anything to do.

SGI-PV: 968554
SGI-Modid: xfs-linux-melb:xfs-kern:29305a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>