From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: sg regression in 2.6.16-rc5 Date: Wed, 01 Mar 2006 13:32:10 -0500 Message-ID: <4405E8AA.1090803@rtr.ca> References: <4404AA2A.5010703@torque.net> <20060301083824.GA9871@merlin.emma.line.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([64.26.128.89]:60854 "EHLO mail.rtr.ca") by vger.kernel.org with ESMTP id S1750775AbWCASby (ORCPT ); Wed, 1 Mar 2006 13:31:54 -0500 In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Linus Torvalds Cc: Matthias Andree , Douglas Gilbert , Mark Rustad , linux-scsi@vger.kernel.org, Linux Kernel Mailing List Linus Torvalds wrote: > > On Wed, 1 Mar 2006, Matthias Andree wrote: >> On Tue, 28 Feb 2006, Douglas Gilbert wrote: >> >>> You can stop right there with the 1 MB reads. Welcome >>> to the new, blander sg driver which now shares many >>> size shortcomings with the block subsystem. >> What is the reason to break user-space applications like this? > > Did you read the whole thread? It was a low-level SCSI driver issue, where > nothing broke user space, but the command was just fed to the drive > differently, which then hit a limit in the driver. Will this break major applications like CD/DVD rippers, DVD players, etc.. which read LARGE blocks at a time? If not, then good!