Re: [PATCH] fix dependeces for CONFIG_USB_STORAGE

From: Oliver Neukum
Date: Wed Jun 02 2004 - 07:08:20 EST



> > Huh, why?
>
> This HELP (taken from linux/drivers/scsi/Kconfig) is quite explicit:
>
> config BLK_DEV_SD
> tristate "SCSI disk support"
> depends on SCSI
> ---help---
> If you want to use SCSI hard disks, Fibre Channel disks,
> USB storage or the SCSI or parallel port version of
> the IOMEGA ZIP drive, say Y and read the SCSI-HOWTO,
> the Disk-HOWTO and the Multi-Disk-HOWTO, available from
> <http://www.tldp.org/docs.html#howto>. This is NOT for SCSI
> CD-ROMs.
>
> So if you want to use USB Mass Storage devices (that use SCSI emulation) you
> need also SCSI disk support (I have realized it when I've tried to mount
> one those USB devices, without success).

The help text is misleading. You need SD to mount disks. There are other
devices which are not disks. In fact there are USB<->SCSI bridges, so
you could do everything SCSI can do, eg. attach an old scanner which needs
only SG.

Regards
Oliver
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