Date: Tue, 4 Jul 2006 13:01:24 -0700 (PDT) From: "R. B. Riddick" <arne_woerner@yahoo.com> To: freebsd-geom@freebsd.org Subject: new class / geom_cache / request for comments Message-ID: <20060704200124.25467.qmail@web30301.mail.mud.yahoo.com>
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[-- Attachment #1 --] Hiho! I just wrote a new(?) GEOM class: geom_cache It is my very first GEOM class and my first larger kernel code... I took it mostly from geom_concat... :-) It was quite easy to change the behaviour of geom_concat... The advantage of geom_cache is, that (even if we have a hard disc with a cache) we can avoid reading the same area twice. I cared for segmentation of the cache space a little bit by using a stripe size. The cache is always clean (hopefully), so that it should not be dangerous to use geom_cache (if I did everything right enough). I attached a bzip'ed tar file although it is about 15KB large. I would be glad, 1. if somebody tells me, what I did wrong (especially that license stuff and the man page (I dont know man page language) might be wrong) and 2. if somebody can use it. I plan to use it for my next GEOM class (geom_raid5), where it might be useful in case of sequential read from a degraded provider (or is there a smarter way to do it?). Bye Arne __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! 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