Date: Mon, 5 Feb 1996 23:16:58 +0200 (SAT) From: Robert Nordier <rnordier@iafrica.com> To: terry@lambert.org (Terry Lambert) Cc: hackers@freebsd.org Subject: Re: FAT filesystem performance Message-ID: <199602052117.XAA00586@eac.iafrica.com> In-Reply-To: <199602052026.NAA14850@phaeton.artisoft.com> from "Terry Lambert" at Feb 5, 96 01:26:30 pm
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On Mon, 5 Feb 1996, Terry Lambert wrote: > > The new MS-DOS [ie. DOS 2.0] does not keep the file > > allocation tables in memory at all times. Instead the > > tables share the use of sector buffers.... This change > > in the DOS goes completely against my original design > > principles.... Now we're back to doing disk reads just > > to find out where the data is. > > -- Tim Paterson, Byte, June 1983. > > That's because Tim didn't turn around and add a sector buffer cache. > > Probably because DOS 2.0 was still fighting the 640k limit. Let's > not limit ourselves because of absurd design decisions on the part > of DOS weenies... if they knew how to design an OS, we wouldn't > need FreeBSD. No arguments here. The implementation needs to be idiomatic *BSD. A point I was making is that the current DOS way of implementing the VATFS isn't the only acceptable way. -- Robert Nordier
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