From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: end to end error recovery musings Date: Mon, 26 Feb 2007 10:59:50 -0800 Message-ID: <45E32E26.1050000@zytor.com> References: <45DEF6EF.3020509@emc.com> <45DF80C9.5080606@zytor.com> <20070224003723.GS10715@schatzie.adilger.int> <20070224023229.GB4380@thunk.org> <17890.28977.989203.938339@notabene.brown> <20070226132511.GB8154@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20070226132511.GB8154@thunk.org> Sender: linux-scsi-owner@vger.kernel.org To: Theodore Tso , Neil Brown , "H. Peter Anvin" , Ric Wheeler , Linux-ide , linux-scsi , linux-raid@vger.kernel.org, Tejun Heo , James Bottomley , Mark Lord , Jens Axboe , "Clark, Nathan" , "Singh, Arvinder" , "De Smet, Jochen" , "Farmer, Matt" , linux-fsdevel@vger.kernel.org, "Mizar, Sunita" List-Id: linux-raid.ids Theodore Tso wrote: > > In any case, the reason why I bring this up is that it would be really > nice if there was a way with a single laptop drive to be able to do > snapshots and background fsck's without having to use initrd's with > device mapper. > This is a major part of why I've been trying to push integrated klibc to have all that stuff as a unified "kernel" deliverable. Unfortunately, as you know, Linus apparently rejected the concept "at least for now" at LKS last year. With klibc this stuff could still be in one single wrapper without funny dependencies, but wouldn't have to be ported to kernel space. -hpa