Re: buffer cache & ufs changes (preliminary ffsv2 extattr support)

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Jan 16, 2012 at 10:00:05PM +0000, YAMAMOTO Takashi wrote:
> have you considered to separate the entity being cached from vnode?

What would this buy us ? the data are intimely tied to the inode, cleaning
the cache when a file is deleted or would be more difficult, isn't it ?

> iirc, irix called it "buffer cache target" or such.
> your vtruncbuf2 function seems to imply needs to have separate
> v_dirtyblkhd/v_cleanblkhd for each types.

It's possible, I didn't look at vnode cleaning yet.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--