On Mon, Sep 13, 2004 at 08:16:09AM +0200, Jens Axboe wrote: > On Sun, Sep 12 2004, Bryan Forbes wrote: > > 1. What's the difference between that and noflushd? > > noflushd is dumb,
Heh, don't call the baby dumb. It's had a difficult childhood; evil parents that didn't care. No, really, a bit retarded maybe... > it just tries to postpone writes. laptop mode is more > involved, the vm knows when the computer is in laptop mode. > additionally, laptop mode can do things like automatic flushing of dirty > data when you spin your drive up for other activity. The latter being included in noflushd as well. It comes with a few more fancy feature like different policies per disk, optionally preventing spindown when machine is used interactively, etc. Oh, and it works with kernels that predate the laptop-mode patch. The ordinary laptop user won't care, and is usually better off with laptop-mode these days. Regards, Daniel.
