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Date: Mon, 13 Jun 2011 14:50:07 +0100 From: Joe Thornber <thornber@...hat.com> To: "Amir G." <amir73il@...rs.sourceforge.net> Cc: Lukas Czerner <lczerner@...hat.com>, Yongqiang Yang <xiaoqiangnk@...il.com>, linux-ext4@...r.kernel.org, tytso@....edu, sandeen@...hat.com, snitzer@...hat.com, lvm-devel@...hat.com Subject: Re: [PATCH v1 00/30] Ext4 snapshots On Mon, Jun 13, 2011 at 04:26:16PM +0300, Amir G. wrote: > with ext4, snapshots reads may cause extra seeks, but main fs will > stay optimized for reads. > with thinp and multisnap, there is no optimization for read from one > specific target, but I admit that can change in the future when auto defrag > heuristics are applies to multisnap. I'm going to keep things symmetrical. A lot of use cases involve pointing at an arbitrary snapshot and saying "that's now my master". This is connected to why I support arbitrary depth of recursive snapshots too. - Joe -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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