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SubjectRe: Oops in 2.2.15 with NWFS using the Linux Buffer Cache SMP


"Stephen C. Tweedie" wrote:
>
> Hi,
>
> On Wed, Mar 29, 2000 at 12:38:01PM -0700, Jeff V. Merkey wrote:
> >
> > This is what I thought. Noticed that 2.3 fixes much of this. I will
> > put the kernel lock over the buffer cache when using it in this mode on
> > 2.2. The LRU in NWFS is fully SMP and multi-threaded -- if folks want
> > SMP buffer cache support they can use that one on 2.2.
>
> Indeed --- the SMP threading is one of the more pervasive changes
> between 2.2 and 2.3. A lot of people have worked on that, and the
> VFS is much, much more scalable on SMP in 2.3 now. That necessarily
> makes life more complex for driver or filesystem writers, but there's
> really no way to avoid that when you go for fine-grained SMP.
>

2.3.99Pre3 looks pretty good from where I'm sitting. Back to fixing my
bugs. Thanks for the help.

Jeff

> Cheers,
> Stephen

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