linux-kernel - Re: [PATCH 0/25] Sysfs cleanups & tagged directory support

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Date:	Wed, 8 Aug 2007 09:38:15 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	ebiederm@...ssion.com (Eric W. Biederman)
Cc:	Greg KH <greg@...ah.com>, linux-kernel@...r.kernel.org,
	satyam@...radead.org, stern@...land.harvard.edu,
	Tejun Heo <htejun@...il.com>,
	Linux Containers <containers@...ts.osdl.org>, gregkh@...e.de
Subject: Re: [PATCH 0/25] Sysfs cleanups & tagged directory support

On Tue, 07 Aug 2007 15:06:21 -0600,
ebiederm@...ssion.com (Eric W. Biederman) wrote:

> 
> The following patchset applies on top of the last round of
> sysfs cleanups that Tejun sent out on the 2nd.
> 
> My target with this patchset is to support sysfs directories
> with a tag on struct sysfs_dirent making them visible only
> on selected mounts of sysfs.
> 
> After going around and around the different possibilities I
> believe I have finally found something that works and is
> reasonably maintainable.   I believe I have achieved that
> with only introducing some extra complexity in a few very localized
> places.
> 
> The worst part is the code to support multiple superblocks and thus
> multiple dentry tress for sysfs.  I had allocate a linked list in
> sysfs_move_dir for all of the possible dentries I would need to call
> d_move on. Bleh.  It works, it is correct and it is an atomic
> rename.

My udev failed to create /dev/dasd* so it cannot mount root :( I'm
currently trying to find out what causes this, may take some time...
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