On Wed, 2008-01-09 at 15:01 -0800, Andrew Morton wrote:
> So are you saying that the fs throughput is unaltered by this change,
> but that the side-effects which your workload has on the overall
> machine are lessened?
Yes. UDF IO is still a slow trickle, but the box is now fine under VM
stress, vs all allocating tasks eventually getting nailed (essentially
forever) by iprune_mutex previously.
-Mike
P.S. I would submit one-liner for VFS part, but it's useless without
UDF part, and nobody is hitting what I ran into while testing alleged
scsi_done regression thingy anyway. cc added.
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