Re: Implementing writepage

Charles Manning
2003-10-26T20:34:12Z

On Monday 27 October 2003 07:47, Mark B wrote:
> On Sunday 26 October 2003 16:28, Matthew Wilcox wrote:
> > On Sun, Oct 26, 2003 at 10:25:49AM +0000, David Woodhouse wrote:
> > > Your file system is not broken; your application author is. Mend that
> > > instead. :)
> >
> > I don't see why every application should be rewritten for the needs of
> > the current generation of flash. If this is such a problem for flash,
> > then maybe the filesystem should implement its own caching strategy
> > for these pages. (Again, expecting the page cache to understand about
> > flash's special requirements is unreasonable.)
> >
> > Your argument makes sense for the embedded market, but not for
> > mainstream.
>
> I agree,
> and someone maybe even cares to use the expensive flashs to keep the data
> secure, because in some cases the data is more valuable then the drive, but
> there are not so much data for use a RAID or something, it's like using a
> cannon to kill a mosquito.
> I'm telling this from expirience, since I'm currently developing a
> filesystem for such a purpose, with minimising writes and aligning them to
> the pages of the media + supporting small transactions across files (via
> ioctl hints by the app) + usual journalling.

Ok fellas, we've all had a fine time disagreeing with David Woodhouse's take
on this, now can someome tell me how to do it?

Thanx

-- Charles