From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.136]:33040 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751251AbcG0VYY (ORCPT ); Wed, 27 Jul 2016 17:24:24 -0400 Date: Wed, 27 Jul 2016 14:24:21 -0700 From: Jaegeuk Kim To: Christoph Hellwig Cc: Linus Torvalds , Linux Kernel Mailing List , Linux FS Dev Mailing List , Linux F2FS Dev Mailing List Subject: Re: [GIT PULL] f2fs for 4.8 Message-ID: <20160727212421.GA74234@jaegeuk> References: <20160727040800.GA69756@jaegeuk> <20160727084101.GA11784@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160727084101.GA11784@infradead.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: 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,