On Sun, Dec 07, 2014 at 09:35:26PM +0900, Akira Hayakawa wrote: > --- /dev/null > +++ b/drivers/staging/writeboost/TODO > @@ -0,0 +1,47 @@ > +TODO: > + > +- Expose bugs and fix them. > +- Clean up the interfaces. Some input values should be limited in case user may choose too big values. > +- Wait for proper review by Mike Snitzer. > +- Fix up documents. > + > +------------------------------------------------------------------------- > + > +Project Ideas: > + > +1. Add read caching feature > +Device-Mapper maintainer Mike Snitzer said that > +a single target should provide caching for both reads and writes. > +(cf. http://www.redhat.com/archives/dm-devel/2014-January/msg00078.html) > + > +To follow Mike's guide, I will implement read-caching for Writeboost. > +The great idea is, at least conceptually, > +sending back the read data to the write entrance. > +I didn't notice this simple idea at that time of previous discussion. > + > +This should be done background and > +some threshold to determine > +which sequence of data should be staged. > + > +This feature will be implemented step-by-step. > +I don't think this feature will change then interface drastically. > + > +2. Improve initialization time > +Some user complains that the initialization is too slow. > + > +Any ideas? > + > +3. Reduce metadata footprint > +Writeboost has a hash table in RAM for cache management. > +This isn't cheap. > + > +Any ideas? > + > +------------------------------------------------------------------------- > + > +Please send any patches > +To: > +Akira Hayakawa <ruby.wktk@xxxxxxxxx> > +Cc: > +Greg Kroah-Hartman <greg@xxxxxxxxx> Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> please, and also the driverdevel mailing list, which is where the rest of the staging patches go. And, I'll need an ack from the dm maintainers before I can accept this as something they think is ok and will get merged to the "real" part of the kernel someday. thanks, greg k-h -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
