Re: xfs buffer cache

To:	"Ying Chen" <yingchenb@xxxxxxxxxxx>
Subject:	Re: xfs buffer cache
From:	Steve Lord <lord@xxxxxxx>
Date:	Mon, 12 Mar 2001 11:52:13 -0600
Cc:	linux-xfs@xxxxxxxxxxx
In-reply-to:	Message from "Ying Chen" <yingchenb@hotmail.com> of "Mon, 12 Mar 2001 09:42:45 PST." <F116ddAkOhw2RlC6aVE0000755e@hotmail.com>
Sender:	owner-linux-xfs@xxxxxxxxxxx

> Hi,
> 
> On the linux port, does xfs have its own buffer cache, instead of the 
> generic Linux VM/buffer cache that ext2 and many other file systems use?
> 
> Thanks,
> 
> Ying
> 
> _________________________________________________________________
> Get your FREE download of MSN Explorer at http://explorer.msn.com

It depends, file data is handled fairly closely to the ext2 case,
but metadata is a totally distinct cache. Metadata is actually cached
in pages just like filedata, we do not use buffer_heads at all for
metadata though.

Steve

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