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Date: Mon, 24 Mar 2014 20:30:20 -0700 From: Matias Bjorling <m@...rling.me> To: Bart Van Assche <bvanassche@....org>, device-mapper development <dm-devel@...hat.com> CC: snitzer@...hat.com, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, agk@...hat.com, Takashi HOSHINO <hoshino@...s.cybozu.co.jp> Subject: Re: [dm-devel] [PATCH RFC v1 01/01] dm-lightnvm: An open FTL for open firmware SSDs On 03/23/2014 11:13 PM, Bart Van Assche wrote: > On 03/21/14 16:37, Christoph Hellwig wrote: >> Just curious: why do you think implementing this as a block remapper >> inside device mapper is a better idea than as a blk-mq driver? >> >> At the request layer you already get a lot of infrastructure for all the >> queueing infrastructure for free, as well as all kinds of other helpers. >> And the driver never remaps bios anyway but always submits new ones as >> far as I can tell. >> >> Does it even make sense to expose the underlying devices as block >> devices? It surely would help to send this together with a driver >> that you plan to use it on top of. > > There might be some overlap between the functionality available in the > lightnvm driver and the WalB driver announced last year. That last > driver might have a wider user base and hence may have received more > testing. See also http://thread.gmane.org/gmane.linux.file-systems/75124. > Hi Bart, Thanks! There seems to be a little bit that can be reused. It does seem from the github page that there haven't been any development since its been posted. Maybe the development is moved elsewhere? > Bart. > -- 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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