From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: [PATCH 1/2] sysfs: allow the group is_visible() method to return a mode and add an update API Date: Tue, 1 Apr 2008 23:30:47 -0700 Message-ID: <20080402063047.GC8158@kroah.com> References: <1206134832.2961.64.camel@localhost.localdomain> <20080321222635.GA2674@kroah.com> <1206208949.4393.25.camel@localhost.localdomain> <1206896083.4224.40.camel@localhost.localdomain> <1206970929.20492.27.camel@lov.site> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from pentafluge.infradead.org ([213.146.154.40]:56171 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753174AbYDBGc5 (ORCPT ); Wed, 2 Apr 2008 02:32:57 -0400 Content-Disposition: inline In-Reply-To: <1206970929.20492.27.camel@lov.site> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Kay Sievers Cc: James Bottomley , Hannes Reinecke , linux-scsi , linux-kernel On Mon, Mar 31, 2008 at 03:42:09PM +0200, Kay Sievers wrote: > On Sun, 2008-03-30 at 11:54 -0500, James Bottomley wrote: > > On Sat, 2008-03-22 at 13:02 -0500, James Bottomley wrote: > > > On Fri, 2008-03-21 at 15:26 -0700, Greg KH wrote: > > > > On Fri, Mar 21, 2008 at 04:27:12PM -0500, James Bottomley wrote: > > > > > We have a problem in scsi_transport_spi in that we need to customise > > > > > not only the visibility of the attributes, but also their mode. Fix > > > > > this by making the is_visible() callback return a mode, with 0 > > > > > indicating is not visible. > > > > > > > > > > Also add a sysfs_update_group() API to allow us to change either the > > > > > visibility or mode of the files at any time on the fly. > > > > > > > > > > Signed-off-by: James Bottomley > > > > > --- > > > > > > > > > > Greg, can I take this through SCSI, please ... assuming it's OK? We > > > > > need this to fix up the SPI transport class. > > > > > > > > Sure. But can you document that "update" field a bit more so we can > > > > remember what it means in the future? > > > > > > How about this? I also added docbook for create and update attribute > > > group. > > Looks good to me. > > I think with the "visible" stuff for attribute groups, will be able to > fix the USB event timing problem, by moving the creation of the device > attributes to default attributes. So I'm looking forward to have this in > the tree. Me too. > > Can I get an ACK from someone from sysfs for this, please? > > > > --- > > > > > > From: James Bottomley > > > Date: Thu, 20 Mar 2008 20:47:52 -0500 > > > Subject: [SCSI] sysfs: make group is_valid return a mode_t > > > > > > We have a problem in scsi_transport_spi in that we need to customise > > > not only the visibility of the attributes, but also their mode. Fix > > > this by making the is_visible() callback return a mode, with 0 > > > indicating is not visible. > > > > > > Also add a sysfs_update_group() API to allow us to change either the > > > visibility or mode of the files at any time on the fly. > > Acked-by: Kay Sievers Acked-by: Greg Kroah-Hartman