Date: Wed, 26 Mar 2003 14:33:33 +0300 From: Nikita Danilov <Nikita@Namesys.COM> To: Terry Lambert <tlambert2@mindspring.com> Cc: Donn Miller <dmmiller@cvzoom.net>, David Schultz <dschultz@uclink.Berkeley.EDU>, fs@freebsd.org, Reiserfs developers mail-list <Reiserfs-Dev@Namesys.COM> Subject: Re: Why is there no JFS? Message-ID: <16001.36877.971504.412198@laputa.namesys.com> In-Reply-To: <3E8181D8.46C77E08@mindspring.com> References: <b2ejfe$1sl7$1@FreeBSD.csie.NCTU.edu.tw> <3E8169A3.7090309@cvzoom.net> <3E8181D8.46C77E08@mindspring.com>
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[Reiserfs-Dev mailing list added to the CC.] Terry Lambert writes: > Donn Miller wrote: [...] > > > And what about ReiserFS? > > It's s trivial port, but it's GPL, unless you pay for it. It also This has already been discussed (and many times, probably. Last time in 2002 March on freebsd-fs and reiserfs-dev lists). Paid is rather porting than license switch. As for easiness of porting I thing upcoming reiser4 is simpler to port to other platforms. Reiserfs v3 relies on some idiosyncrasies of Linux to implement concurrent tree balancing and direct<->indirect conversion is coupled tightly with VM. > has (IMO) some patent encumberances for Novell patents. I'm not > sure they are *exclusively* licensed to USL/SCO, but they *are* > licensed to them, so it may be an SCO vs. IBM thing pretty quickly > (the specific patents are US Patent 5666532 and 5642501). It may > also infringe 5218695, but Epoch Systems is less litigous. Reiserfs doesn't use DOW, it uses WAL. One may argue (as you did) that "preserve lists" are a form of ordered writes. But they had been removed from the code years ago. > > PS: The only way you "prove" infringement is by being sued over > infringement, and losing; hence the (IMO). > > -- Terry > Nikita. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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