> Hi,
>
> On Sun, 10 Oct 1999 16:57:18 +0200 (CEST), Andrea Arcangeli
> <andrea@suse.de> said:
>
> > My point was that even being forced to do a lookup before creating
> > each empty buffer, will be still faster than 2.2.x as in 2.3.x the hash
> > will contain only metadata. Less elements means faster lookups.
>
> The _fast_ quick fix is to maintain a per-inode list of dirty buffers
> and to invalidate that list when we do a delete. This works for
> directories if we only support truncate back to zero --- it obviously
> gets things wrong if we allow partial truncates of directories (but why
> would anyone want to allow that?!)
AFFS. OTOH there we are dropping the known bh every time.
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