Re: elevator algorithm bug in ll_rw_blk.c

Martin Mares (mj@ucw.cz)
Sun, 15 Nov 1998 18:30:25 +0100


> I get the joke, but I've got to think that there's nothing
> particularly directional about track-to-track seek speed.

Track-to-track seek speeds are not directional, but inter-sector
speeds are and since the algorithm has no information on physical
disk geometry, it cannot distinguish whether two sectors are on
the same track or not.

Have a nice fortnight

-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"Light-year? One-third less calories than a regular year."

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/