linux-kernel - Re: [RFC/PATCH] usb-storage: wait for device scanning before mounting root

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Message-ID: <Pine.LNX.4.44L0.0804241704220.14840-100000@iolanthe.rowland.org>
Date:	Thu, 24 Apr 2008 17:08:58 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Pekka J Enberg <penberg@...helsinki.fi>
cc:	linux-kernel@...r.kernel.org, <dsd@...too.org>,
	<mdharm-usb@...-eyed-alien.net>, <linux-usb@...r.kernel.org>,
	<vegardno@....uio.no>
Subject: Re: [RFC/PATCH] usb-storage: wait for device scanning before mounting
 root

On Thu, 24 Apr 2008, Pekka J Enberg wrote:

> From: Pekka Enberg <penberg@...helsinki.fi>
> 
> Add a new kernel config option CONFIG_LATE_ROOT_MOUNT that makes the kernel
> wait until background scanning of USB mass storage devices is complete before
> attempting to mount the root filesystem.
> 
> The config option is an alternative to the root_delay= kernel parameter
> solution people currently use to boot from USB mass storage devices.

This doesn't take into account what happens when CONFIG_SCSI_SCAN_ASYNC
is set.

Alan Stern


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