With US patent laws the way they are, no one but a patent lawyer
could safely give you an answer.
If by some chance a patent lawyer is lurking and decided to comment,
none of the rest of us
could safely read such comments. No one working on ZFS could even
safely look at the patent
you've referenced.
On Jun 5, 2007, at 11:40 PM, Kasper Nielsen wrote:
Hi there,
I was looking at using something very similar to arc.c <http://
src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/
fs/zfs/arc.c> for an open source project.
However, I'm a bit worried about the patent IBM is holding on the
ARC data structure.
http://appft1.uspto.gov/netacgi/nph-Parser?
Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%
2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040098541%22.PGNR.&OS=DN/
20040098541&RS=DN/20040098541
I remember PostgreSQL dropping their ARC implementation for 2Q some
time ago.
But I was hoping, that someone on this list might have some
constructive input on this issue?
cheers
Kasper
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