Date: Thu, 25 May 2006 19:36:09 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: "Andrew Atrens" <atrens@nortel.com> Cc: Alexander Leidinger <Alexander@Leidinger.net>, small@freebsd.org, current@freebsd.org Subject: Re: FreeBSD's embedded agenda Message-ID: <3981.1148578569@critter.freebsd.dk> In-Reply-To: Your message of "Thu, 25 May 2006 13:30:04 EDT." <4475E99C.5000502@nortel.com>
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In message <4475E99C.5000502@nortel.com>, "Andrew Atrens" writes: >-----BEGIN PGP SIGNED MESSAGE----- >Hash: SHA1 > >Seems to me you'd want a kernel that could boot off raw >flash and run in RAM off a small RAM disk. > >Said kernel would have a low level driver that makes plain >old flash chips look (and behave) like a disk. It would support >wear-levelling, [...] > >Then you could throw FFS on top of that. This is exactly what you do not want to do. You want to write a flash friendly filesystem which knows what a flash is, and which does the wear levelling internally. The reason Flash Adaptation Layers came about in the first place is that W95 didn't support anything but FAT. Don't propagate that mistake. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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