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Re: TAKE - better mmap write support in pagebuf

To: linux-xfs@xxxxxxxxxxx
Subject: Re: TAKE - better mmap write support in pagebuf
From: Steve Lord <lord@xxxxxxx>
Date: 30 Apr 2002 11:53:32 -0500
In-reply-to: <200204300955.g3U9tKZ02413@xxxxxxxxxxxxxxxxxxxx>
References: <200204300955.g3U9tKZ02413@xxxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Tue, 2002-04-30 at 04:55, Steve Lord wrote: 
> Some multiple blocksize work, and better optimization of allocation
> and writes in the mmap write case where memory pressure is the cause
> of data getting flushed. We used to fragment files really badly in
> this case, now fragmentation is reasonable - which causes major
> speedup of some loads.
I would hold off taking this code until I do some more work on it, looks
like I fixed one lot of performance by killing another one.... dbench
throughput has gone down the tubes.

Not sure yet when it came in - sometime in the last 24 hours I think.


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