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Date: Tue, 1 Apr 2008 12:51:04 +0200 From: Jörn Engel <joern@...fs.org> To: Artem Bityutskiy <dedekind@...dex.ru> Cc: Artem Bityutskiy <Artem.Bityutskiy@...ia.com>, Adrian Hunter <ext-adrian.hunter@...ia.com>, Jan Engelhardt <jengelh@...putergmbh.de>, LKML <linux-kernel@...r.kernel.org>, joern@...ybastard.org Subject: Re: UBIFS vs Logfs (was [RFC PATCH] UBIFS - new flash file system) On Tue, 1 April 2008 12:39:25 +0300, Artem Bityutskiy wrote: > > I'm not sure what you mean. In UBIFS we have lprops area, where we store > per-LEB accounting. UBI lets it possible to have it on a fixed position. > The accounting is a separate B-tree. Lprops area has its own independent > garbage collector. You should probably refer the white paper for more > information. Fair enough. The obvious downside of all this is depending on UBI, which has a linear scan. My goal was to avoid the linear scan completely. It is a harder goal and I haven't reached it yet. Imo it is reachable and I will continue going in that direction. You picked the route of using UBI, which makes a lot of stuff easier. It is a fair approach and I don't mind you taking it. It has drawbacks, but so has everything else. Jörn -- Anything that can go wrong, will. -- Finagle's Law -- 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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