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Message-Id: <200903142003.26230.phillips@phunq.net> Date: Sat, 14 Mar 2009 20:03:26 -0700 From: Daniel Phillips <phillips@...nq.net> To: Andi Kleen <andi@...stfloor.org> Cc: tux3@...3.org, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org Subject: Re: [Tux3] Tux3 report: Tux3 Git tree available On Thursday 12 March 2009, Andi Kleen wrote: > On Thu, Mar 12, 2009 at 02:24:08PM -0700, Daniel Phillips wrote: > > On Thursday 12 March 2009, Andi Kleen wrote: > > > to be honest the estimate of adding btree directories in 3kLOC > > > of code seems very optimistic. > > > > Is that a bet? > > No, just a general comment comparing with other read/write btree > implementations. Htree is about 1650 lines in Ext3. The Tux3 implementation does not have to implement its own custom btree code because it can use the generic tux3/btree.c code (with index node operations generalized as leaf operations already are). The Tux3 implementation will be shorter if anything, because of using the generic btree code, no need for backward compatibility, and having had several years to think about how to handle the NFS readdir issue more compactly. So I guess the Tux3 directory btree will come in somewhere around 1500 lines. Regards, Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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