linux-kernel - Re: [PATCH 2/5] USB Kconfig: Select SCSI for USB Mass Storage support

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Date:	Sun, 6 Jan 2008 14:05:27 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	Sam Ravnborg <sam@...nborg.org>, Al Boldi <a1426z@...ab.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	David Brownell <david-b@...bell.net>, Greg KH <greg@...ah.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/5] USB Kconfig: Select SCSI for USB Mass Storage
	support

On Sun, Jan 06, 2008 at 12:54:04PM +0100, Stefan Richter wrote:
> Randy Dunlap wrote:
> > Sam Ravnborg wrote:
> >> On Sat, Jan 05, 2008 at 11:03:30PM +0200, Adrian Bunk wrote:
> >>> For kconfig users, "select" is _much_ better than sending them
> >>> through different menus.
> >> Only if used within the current limitations of Kconfig.
> >> And that requires you to use select only to select symbols with
> >> no dependencies.
> > 
> > Right.  One of the main (or maybe even the only) problem(s) is
> > that select does not follow dependency chains.
> > and that no one works on that problem.
> > 
> >> In this case we do not know if BLOCK is enabled or not.
> > 
> > For Aunt Tillie cases, "select" makes sense.  For other cases,
> > I'd argue that it makes sense for config users to know when they
> > do something that causes an entire subsystem to be added to their
> > kernel (like SCSI or NET).
> 
> Besides the issue of additional potentially unsatisfied dependencies and
> the issue of things being enabled behind the user's back --- there is
> another issue which Adrian and Al ignore:
> 
> The user who wants to enable usb-storage /has/ to go into the SCSI menu
> anyway to answer whether he needs sd, sr, st, sg, command logging...

That's a different UI problem that has to be fixed.

The "SCSI support type" menu has to move out of the SCSI menu.

> Stefan Richter

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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