From mboxrd@z Thu Jan 1 00:00:00 1970 From: Saket Sinha Subject: Re: [LSF/MM ATTEND] Stackable Union Filesystem Implementation Date: Thu, 9 Jan 2014 15:36:38 +0530 Message-ID: References: <20140107122301.GC16640@quack.suse.cz> <20140108111640.GD8256@quack.suse.cz> <20140108212636.GC15313@quack.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, lsf-pc@lists.linux-foundation.org To: Jan Kara Return-path: In-Reply-To: <20140108212636.GC15313@quack.suse.cz> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org >> As already mentioned that the issue that we were facing was that "too >> many copyups were made on the read-write file system". > But my question is: In which cases specifically do you want to avoid > copyups as compared to e.g. Overlayfs? > To be honest I do not the answer. I had senior kernel developers from Cern who guided me when working on this driver. I need to consult them in order to answer you correctly. I would try to be bring them in this thread to get you the right answer. Regards, Saket Sinha -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org