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SubjectRe: [RFC] changes to buffer.c (was Test12 ll_rw_block error)
Marcelo Tosatti wrote:
> On Fri, 5 Jan 2001, Chris Mason wrote:
> >
> > Here's the latest version of the patch, against 2.4.0. The
> > biggest open issues are what to do with bdflush, since
> > page_launder could do everything bdflush does.
> I think we want to remove flush_dirty_buffers() from bdflush.
> While we are trying to be smart and do write clustering at the ->writepage
> operation, flush_dirty_buffers() is "dumb" and will interfere with the
> write clustering.

Actually, I found it doesn't interfere that much. Remember, there's
still an elevator in there. Even if bdflush and clustered page flushing
are running at the same time the elevator makes the final decision what
gets written when.

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