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From: Shaya Potter <spotter@cs.columbia.edu>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Matthew Wilcox <matthew@wil.cx>, John Stoffel <john@stoffel.org>,
	Greg KH <greg@kroah.com>, Christoph Hellwig <hch@infradead.org>,
	David Howells <dhowells@redhat.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	zippel@linux-m68k.org
Subject: Re: [PATCH 17/17] BLOCK: Make it possible to disable the block	layer [try #2]
Date: Thu, 31 Aug 2006 08:32:00 -0400	[thread overview]
Message-ID: <1157027520.4381.10.camel@localhost.localdomain> (raw)
In-Reply-To: <44F6A385.9090508@s5r6.in-berlin.de>

On Thu, 2006-08-31 at 10:53 +0200, Stefan Richter wrote:
> Shaya Potter wrote:
> > On Wed, 2006-08-30 at 21:01 -0600, Matthew Wilcox wrote:
> >> On Tue, Aug 29, 2006 at 05:08:46PM -0400, John Stoffel wrote:
> >> > Maybe the better solution is to remove SCSI as an option, and to just
> >> > offer SCSI drivers and USB-STORAGE and other SCSI core using drivers
> [...]
> >> People don't want to have to say "no" to umpteen scsi drivers.  They
> >> just want to say "no" to SCSI, because they know they don't have scsi.
> > 
> > so then that's shows a problem with the kconfig syntax.
> > 
> > CONFIG_SCSI should perhaps be hidden, and what's visible to the user is
> > CONFIG_SCSI_DRIVER
> [...]
> 
> But drivers like usb-storage and sbp2 are SCSI drivers too. What you
> mean is CONFIG_SCSI_DRIVERS_WHICH_APPEAR_IN_THE_SCSI_MENU.

when I said "driver" I meant more along the line of SCSI hardware
instead of things that use the "Linux" scsi subsystem.  i.e. usb, sata
are not scsi hardware even though they use the scsi subsystem.

Or to put it another way, perhaps no "select"able option should ever be
visibly selectable in XYZconfig.  And XYZconfig should only show an
option that is "select"able if by selecting it one ends up with a
consistent configuration.

So you have a "virtual" SCSI_SUBSYSTEM which usb-storage, sbp2, sata all
pull in by selecting it.

you have SCSI_HARDWARE that adaptec, buslogic, lsilogic...... depend on.
SCSI_HARDWARE would also select "SCSI_SUBSYSTEM".


  reply	other threads:[~2006-08-31 12:33 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200608250023.20903.arnd@arndb.de>
2006-08-24 21:32 ` [PATCH 01/17] BLOCK: Move functions out of buffer code [try #2] David Howells
2006-08-24 21:32   ` [PATCH 02/17] BLOCK: Remove duplicate declaration of exit_io_context() " David Howells
2006-08-25 14:08     ` Christoph Hellwig
2006-08-24 21:32   ` [PATCH 03/17] BLOCK: Stop fallback_migrate_page() from using page_has_buffers() " David Howells
2006-08-25 14:10     ` Christoph Hellwig
2006-08-25 16:11     ` David Howells
2006-08-24 21:33   ` [PATCH 04/17] BLOCK: Separate the bounce buffering code from the highmem code " David Howells
2006-08-25 14:12     ` Christoph Hellwig
2006-08-24 21:33   ` [PATCH 05/17] BLOCK: Don't call block_sync_page() from AFS " David Howells
2006-08-25 14:13     ` Christoph Hellwig
2006-08-25 16:12     ` David Howells
2006-08-24 21:33   ` [PATCH 06/17] BLOCK: Move bdev_cache_init() declaration to headerfile " David Howells
2006-08-25 14:13     ` Christoph Hellwig
2006-08-24 21:33   ` [PATCH 07/17] BLOCK: Remove dependence on existence of blockdev_superblock " David Howells
2006-08-25 14:14     ` Christoph Hellwig
2006-08-24 21:33   ` [PATCH 08/17] BLOCK: Dissociate generic_writepages() from mpage stuff " David Howells
2006-08-25 14:16     ` Christoph Hellwig
2006-08-24 21:33   ` [PATCH 09/17] BLOCK: Move __invalidate_device() to block_dev.c " David Howells
2006-08-25 14:16     ` Christoph Hellwig
2006-08-24 21:33   ` [PATCH 10/17] BLOCK: Move the loop device ioctl compat stuff to the loop driver " David Howells
2006-08-25  9:27     ` David Howells
2006-08-25 11:01       ` David Howells
2006-08-24 21:33   ` [PATCH 11/17] BLOCK: Move common FS-specific ioctls to linux/fs.h " David Howells
2006-08-25  8:38     ` David Howells
2006-08-25  8:44       ` Arnd Bergmann
2006-08-24 21:33   ` [PATCH 12/17] BLOCK: Move the ReiserFS device ioctl compat stuff to the ReiserFS driver " David Howells
2006-08-24 21:33   ` [PATCH 13/17] BLOCK: Move the Ext2 device ioctl compat stuff to the Ext2 " David Howells
2006-08-24 21:33   ` [PATCH 14/17] BLOCK: Move the Ext3 device ioctl compat stuff to the Ext3 " David Howells
2006-08-24 21:33   ` [PATCH 15/17] BLOCK: Stop CIFS from using EXT2 ioctl numbers directly " David Howells
2006-08-24 21:41     ` Trond Myklebust
2006-08-25  8:12     ` David Howells
2006-08-24 21:33   ` [PATCH 16/17] BLOCK: Move the msdos device ioctl compat stuff to the msdos driver " David Howells
2006-08-24 21:33   ` [PATCH 17/17] BLOCK: Make it possible to disable the block layer " David Howells
2006-08-25 14:27     ` Christoph Hellwig
2006-08-25 14:52       ` Alexey Dobriyan
2006-08-25 16:23     ` David Howells
2006-08-29 11:51       ` Christoph Hellwig
2006-08-29 12:21         ` Stefan Richter
2006-08-29 12:23       ` David Howells
2006-08-29 12:25         ` Christoph Hellwig
2006-08-29 13:50           ` Stefan Richter
2006-08-29 14:13             ` Stefan Richter
2006-08-30  1:12               ` Roman Zippel
2006-08-30 18:33                 ` Stefan Richter
2006-08-30 21:43                   ` Adrian Bunk
2006-08-30 22:41                     ` Roman Zippel
2006-08-30 23:38                       ` Adrian Bunk
2006-08-30 23:58                         ` Roman Zippel
2006-08-31  8:01                           ` Stefan Richter
2006-09-01  0:15                       ` David Woodhouse
2006-09-01  0:48                         ` Randy.Dunlap
2006-09-01  1:27                           ` David Woodhouse
2006-09-01  1:47                             ` Adrian Bunk
2006-09-01 13:44                             ` Jörn Engel
2006-09-01 15:31                               ` Stefan Richter
2006-09-01 16:19                                 ` Jörn Engel
2006-09-01 16:34                                   ` Adrian Bunk
2006-09-01 17:51                                     ` Stefan Richter
2006-09-01 18:14                                       ` Sam Ravnborg
2006-08-30 22:50                     ` Stefan Richter
2006-08-30 23:12                       ` Adrian Bunk
2006-08-30  1:11             ` Roman Zippel
2006-08-30 11:29               ` Stefan Richter
2006-08-29 19:58           ` Greg KH
2006-08-29 21:08             ` John Stoffel
2006-08-31  3:01               ` Matthew Wilcox
2006-08-31  3:04                 ` Shaya Potter
2006-08-31  8:53                   ` Stefan Richter
2006-08-31 12:32                     ` Shaya Potter [this message]
2006-08-31 13:16                       ` Stefan Richter
2006-08-31 13:27                         ` Shaya Potter
2006-08-31 10:13             ` David Howells
2006-08-25 18:46     ` David Howells
2006-08-25 14:08   ` [PATCH 01/17] BLOCK: Move functions out of buffer code " Christoph Hellwig
     [not found] <6Paqj-6iH-23@gated-at.bofh.it>
     [not found] ` <6NKRa-8sj-9@gated-at.bofh.it>
     [not found]   ` <6Nv5K-8dh-9@gated-at.bofh.it>
     [not found]     ` <6Nvfu-8t8-17@gated-at.bofh.it>
     [not found]       ` <6NMJp-4wS-25@gated-at.bofh.it>
     [not found]         ` <6PaTj-7vF-17@gated-at.bofh.it>
     [not found]           ` <6PaTj-7vF-15@gated-at.bofh.it>
     [not found]             ` <6Pciq-362-13@gated-at.bofh.it>
     [not found]               ` <6PmUm-1Y7-9@gated-at.bofh.it>
     [not found]                 ` <6PwAr-6jv-5@gated-at.bofh.it>
2006-08-30 13:23                   ` [PATCH 17/17] BLOCK: Make it possible to disable the block layer " Bodo Eggert
     [not found] <200608251217.24543.arnd@arndb.de>

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