Daniel Phillips wrote:
>
> On Friday 27 July 2001 17:33, Hans Reiser wrote:
> > Daniel Phillips wrote:
> > > On Friday 27 July 2001 16:18, Joshua Schmidlkofer wrote:
> > > > I've almost quit using reiser, because everytime I have a power
> > > > outage, the last 2 or three files that I've editted, even ones
> > > > that I haven't touched in a while, will usually be hopelessly
> > > > corrupted.
> > >
> > > My early flush patch will fix this, or at least it will if I get
> > > together with the ReiserFS guys and figure out how to integrate
> > > their flushing mechanism with the standard bdflush. Or they could
> > > incorporate the ideas from my early flush in their own flush
> > > daemon, though generalizing the standard flush would have more
> > > value in the long run.
> >
> > Can you describe early flush?
>
> The idea is to do what amounts to a sync within a tenth of a second of
> disk bandwidth usage falling below a certain threshhold.
>
> The original posts/patches are here:
>
> [RFC] Early flush (was: spindown)
> [RFC] Early flush: new, improved (updated)
>
> and there are long threads attached to each of them. The clearest
> explanation is probably Jonathan Corbet's writeup on lwn:
>
> http://lwn.net/2001/0628/kernel.php3
>
> (Thanks, Jonathan, I often get the feeling I understand what I actually
> did only *after* reading your writeups:-)
>
> The second of the two patches needs more work - I think I goofed on
> some needed "volatile" handling, see the current flam^H^H^H^H thread
> about that.
>
> --
> Daniel
Daniel, what you have done is something that I have wanted and believed in for a long time.
Spell out what you need from us and we will support you.
Hans
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This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:33 EST