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On Dec 17, 2003, at 2:50 PM, YAMAMOTO Takashi wrote:

> did you read my replies to tls@ and bouyer@?  weren't them enough?
> or am i missing the point?

I did read them, but after I replied.  Sorry :(

> my understanding is,
> - page is PG_BUSY during write back.  if we keep a delayed write
>   request at buffer queue forever, the page will be left PG_BUSY 
> forever.
> - getpages will wait on the PG_BUSY page.

Yah.  It would be nice for outgoing PG_BUSY pages to not block, because 
their contents *are* valid...

This is something that should probably be fixed.

         -- Jason R. Thorpe <thorpej@wasabisystems.com>


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