From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Phillips Subject: Re: [FYI] tux3: Core changes Date: Fri, 31 Jul 2015 17:16:45 -0700 Message-ID: References: <67294911-1776-46b8-916d-0e5642a38725@phunq.net> <20150526070910.GA3307@quack.suse.cz> <20150526090058.GA8024@quack.suse.cz> <5564D60E.6000306@phunq.net> <20150527084138.GD2590@quack.suse.cz> <87a8vtdqfz.fsf@mail.parknet.co.jp> <20150623161247.GP2427@quack.suse.cz> <87k2ueepd6.fsf@mail.parknet.co.jp> <20150709160528.GK2900@quack.suse.cz> <874mklaqbn.fsf@mail.parknet.co.jp> <1981a91e-30a9-43ce-9a05-14aa777e46a5@phunq.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Cc: Rik van Riel , Jan Kara , tux3@tux3.org, Linux Kernel Mailing List , linux-fsdevel@vger.kernel.org, OGAWA Hirofumi To: David Lang Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tux3-bounces@phunq.net Sender: "Tux3" List-Id: linux-fsdevel.vger.kernel.org On Friday, July 31, 2015 5:00:43 PM PDT, Daniel Phillips wrote: > Note: Hirofumi's email is clear, logical and speaks to the > question. This branch of the thread is largely pointless, though > it essentially says the same thing in non-technical terms. Perhaps > your next response should be to Hirofumi, and perhaps it should be > technical. Now, let me try to lead the way, but being specific. RDMA was raised as a potential failure case for Tux3 page forking. But the RDMA api does not let you use memory mmaped by Tux3 as a source or destination of IO. Instead, it sets up its own pages and hands them out to the RDMA app from a pool. So no issue. One down, right? Regards, Daniel