linux-kernel - Re: [PATCH 00/11] sysfs tagged directories V5

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Date:	Tue, 10 Jun 2008 16:00:58 -0700
From:	Greg KH <gregkh@...e.de>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	Benjamin Thery <benjamin.thery@...l.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Biederman <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org, Tejun Heo <htejun@...il.com>,
	Al Viro <viro@....linux.org.uk>,
	Linux Containers <containers@...ts.osdl.org>
Subject: Re: [PATCH 00/11] sysfs tagged directories V5

On Tue, Jun 10, 2008 at 05:50:24PM -0500, Serge E. Hallyn wrote:
> Quoting Benjamin Thery (benjamin.thery@...l.net):
> > Greg,
> > 
> > Here is an updated version of the sysfs tagged directories that improves
> > a bit the situation over the previous one. 
> > 
> > I've modified the patch 09 ("Enable tagging for net_class directories in 
> > sysfs") to be a bit less intrusive in sysfs core. I removed the #ifdef'd
> > parts you didn't like in fs/sysfs/mount.c, and replaced it by a generic 
> > routine sysfs_ns_exit() that is called, if needed, by the namespace when
> > it exits. This routine goes through every sysfs super blocks and calls 
> > the callback passed by the namespace to clean its tag.
> > 
> > The patch is now splitted in two: 
> > * 09/11: the generic routine,
> > * 10/11: the remaining network parts.
> > 
> > The generic part can be merge with patch 05 ("sysfs: Implement sysfs 
> > tagged directory support.") but I left it separate for now to ease 
> > reviews.
> 
> Thanks.  Not nearly as radical as I'd feared.
> 
> Greg, does this address your concern?  It stops the need to put any
> non-braindead code (i.e. the _exit notifier stuff) in fs/sysfs/mount.c for
> any new namespaces needing sysfs tagging, leaving only simple
> comparison/assignments.

Sorry, I've been swamped with other things this week and haven't gotten
a chance to look this over.  Hopefully by the end of the week...  It's
in my queue though, don't worry it will not get lost.

thanks,

greg k-h
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