From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: RE: [PATCH RFC 0/4] use scatter lists for all block pc requests and simplify hw handlers Date: Tue, 07 Jun 2005 12:34:57 -0400 Message-ID: <1118162097.4813.38.camel@mulgrave> References: <007901c56b65$90f918c0$e0019d89@cybernetics.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <007901c56b65$90f918c0$e0019d89@cybernetics.com> Sender: linux-scsi-owner@vger.kernel.org To: tonyb@cybernetics.com Cc: Douglas Gilbert , 'Mike Christie' , 'device-mapper development' , 'linux-scsi' , 'Jens Axboe' , LIRANS@il.ibm.com List-Id: dm-devel.ids On Tue, 2005-06-07 at 09:34 -0400, Tony Battersby wrote: > My company (Cybernetics) sells several products that run embedded Linux > which use the userspace scatter-gather capability of the SG driver. > They are still running the 2.4 kernel series, but we will probably > switch to 2.6 at some point. What do they actually use it for? As in why is the data scattered even in the virtual address space? James