linux-kernel - Re: What's up with CONFIG_BLK

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Message-ID: <Pine.LNX.4.64.0708242234500.28540@fbirervta.pbzchgretzou.qr>
Date:	Fri, 24 Aug 2007 22:36:54 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Rob Landley <rob@...dley.net>
cc:	linux-kernel@...r.kernel.org
Subject: Re: What's up with CONFIG_BLK_DEV?


On Aug 24 2007 22:34, Jan Engelhardt wrote:
>On Aug 24 2007 15:17, Rob Landley wrote:
>>
>>CONFIG_BLOCK disables the block layer.
>>CONFIG_BLK_DEV disables the block devices.
>
>menuconfig BLK_DEV
>        bool "Block devices"
>        depends on BLOCK
>        default y
>        ---help---
>          Say Y here to get to see options for various different block device
>          drivers. This option alone does not add any kernel code.
>
>          If you say N, all options in this submenu will be skipped and disabled
>          only do this if you know what you are doing.

>>Is there _ever_ a time you want the block layer but no block devices?

Well, where do you think your hard disk drivers come from? Definitely 
not from the BLK_DEV menu...



	Jan
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