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SubjectRe: NFS client latencies

* Ingo Molnar <> wrote:

> could you check the -41-23 -RT kernel at the usual place:
> i've added Trond's radix lookup code, plus the lockbreaker patch.
> (one thing that is not covered yet is nfs_scan_list() - that still scans
> a list. Trond, is that fixable too?)

ok, find a new latency trace attached (1.6 msecs). I generated write
loads, and the nfs_scan_list_dirty() latency is gone and indeed
nfs_scan_list() generates the worst latency - while processing 8535
pages in one critical section.

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