[PATCH 0 of 5] knfsd: miscellaneous performance-related fixes

[Greg Banks <gnb@melbourne.sgi.com>]

G'day,

Five more patches which fix various issues found in knfsd,
mostly directly performance-related.

1 of 5 knfsd: make readahead params cache SMP-friendly
	the racache is a global contention point and performance 	bottleneck in
some read-dominated workloads, alleviate that

2 of 5 knfsd: cache ipmap per TCP socket
	for TCP we can avoid doing a hash lookup on the ip_map
	cache for every RPC call

3 of 5 knfsd: avoid nfsd CPU scheduler overload
	avoid enormous load averages and CPU scheduler overload
	with workloads which generate extremely high call rates

4 of 5 knfsd: add RPC pool thread stats
	add some statistics to the svc_pool

5 of 5 knfsd: remove nfsd threadstats
	remove the 'th' stats line from /proc/net/rc/nfsd, it's
	a global contention point in high call rate workloads

Greg.
-- 
Greg Banks, R&D Software Engineer, SGI Australian Software Group.
I don't speak for SGI.



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