Re: NFS Still broken in 2.6.x?

[Oleg Nesterov]

Oleg Nesterov wrote:
> 
> Afaics, this problem was resolved a long ago.
> 
> The patch below should fix this problem. Does it?

Forgot to mention, this patch was tested,

Steven Pratt wrote:
>
> This is the patch I think we should apply.  Running tiobench with 4k 
> request size, 4GB working set, 256 threads and a 2MB max_readahead (to 
> help induce thrashing) on a 1GB 8way machine, throughput of sequential 
> IO increased from 50MB/sec to 92MB/sec on a 5disk raid0 array.  Tests 
> with smaller max_readaheads and smaller thread counts were all withing 
> the noise range of the benchmark, which is to be expected.

Oleg.
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