raid5 raid5d multi-thread

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* raid5 raid5d  multi-thread
@ 2013-11-01  3:27 lilofile
  2013-11-01 16:19 ` Stan Hoeppner
  0 siblings, 1 reply; 2+ messages in thread
From: lilofile @ 2013-11-01  3:27 UTC (permalink / raw)
  To: linux-raid

now in MD raid5,stripe is hande in one thread, and I found the CPU occupation is very high, why stripe is not handled in multi-thread ? is any different to implement? and what consideration in original design?

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: raid5 raid5d  multi-thread
  2013-11-01  3:27 raid5 raid5d multi-thread lilofile
@ 2013-11-01 16:19 ` Stan Hoeppner
  0 siblings, 0 replies; 2+ messages in thread
From: Stan Hoeppner @ 2013-11-01 16:19 UTC (permalink / raw)
  To: lilofile, linux-raid

On 10/31/2013 10:27 PM, lilofile wrote:
> now in MD raid5,stripe is hande in one thread, and I found the CPU occupation is very high, why stripe is not handled in multi-thread ? is any different to implement? and what consideration in original design?

Shaohua Li has been working on a threaded RAID5 implementation for many
months now.  AFAIK it is not yet ready for inclusion nor widespread
testing by others.  See:

https://lkml.org/lkml/2013/7/30/29

-- 
Stan

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