Re: elevator algorithm bug in ll_rw_blk.c

Martin Mares (mj@ucw.cz)
Sun, 15 Nov 1998 18:07:28 +0100


Hello,

> But that's a *one-way* elevator. Ideal elevators are two-way, aren't they?

Using two-way elevators for disk block sorting is probably highly suboptimal
since most disks are painfully slow when reading blocks backwards.

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
"How do I type 'for i in *.dvi do xdvi $i done' in a GUI?"

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