From: Jaegeuk Kim Subject: Re: [GIT PULL] f2fs for 4.8 Date: Wed, 27 Jul 2016 14:24:21 -0700 Message-ID: <20160727212421.GA74234@jaegeuk> References: <20160727040800.GA69756@jaegeuk> <20160727084101.GA11784@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160727084101.GA11784@infradead.org> Sender: linux-kernel-owner@vger.kernel.org To: Christoph Hellwig Cc: Linus Torvalds , Linux Kernel Mailing List , Linux FS Dev Mailing List , Linux F2FS Dev Mailing List List-Id: linux-f2fs-devel.lists.sourceforge.net On Wed, Jul 27, 2016 at 01:41:01AM -0700, Christoph Hellwig wrote: > > - ioctl to move a range of data between files > > Please run this through the linux-api list first. We had so many > problem with random ioctls on random file systems in the past. Also > I know Samsung had an xfs (and maybe ext4?) implementation of this > functionality in the past, so it would be extremtly useful to have > some discussion on that. > > Also didn't this just show up last week for the first time? Since I couldn't defend its confident use cases right now, I thought f2fs'd be good to support it in order for someone to evaluate it; I expected some kv-stores tho. Once getting its validation, let me take a look at other file systems to expose it into a generic one. Thanks,