From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: [linux-usb-devel] Re: USB storage problems on OHCI.. Date: 22 Sep 2003 14:28:56 -0500 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <1064258938.15409.63.camel@mulgrave> References: Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from nat9.steeleye.com ([65.114.3.137]:49926 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S261808AbTIVT3s (ORCPT ); Mon, 22 Sep 2003 15:29:48 -0400 In-Reply-To: List-Id: linux-scsi@vger.kernel.org To: Andries.Brouwer@cwi.nl Cc: Patrick Mansfield , Linus Torvalds , david-b@pacbell.net, greg@kroah.com, hch@infradead.org, SCSI Mailing List , linux-usb-devel@lists.sourceforge.net, mdharm-usb@one-eyed-alien.net, stern@rowland.harvard.edu On Mon, 2003-09-22 at 13:55, Andries.Brouwer@cwi.nl wrote: > if (sdkp->media_present) { > sd_read_capacity(sdkp, disk->disk_name, sreq, buffer); > if (sdp->removable) > sd_read_write_protect_flag(sdkp, disk->disk_name, > sreq, buffer); > sd_read_cache_type(sdkp, disk->disk_name, sreq, buffer); > } > > and I suppose we could skip sd_read_cache_type() in the > hot-pluggable case - a flag that USB storage could set. what about just having a conservative mode for sd? This could still internally be a set of flags, just one single way of clearing them all from slave configure. For the most conservative setting, we could probably dump spin up, read write protect, and read cache type. James