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Message-ID: <20091020055202.GG29158@parisc-linux.org>
Date:	Mon, 19 Oct 2009 23:52:02 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	linux-kernel@...r.kernel.org,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH 0/3] Allow sysfs to be dynamically populated

On Mon, Oct 19, 2009 at 11:47:40PM -0600, Matthew Wilcox wrote:
> The second and third patches offer progressively more flexibility to
> dynamically construct the contents of sysfs directories.  The second
> patch delays the allocation of sysfs_dirents until the contents of
> the directory is requested.  This functionality is only used by the
> attribute_groups in that patch, but could (in principle) be extended to
> other directory providers.
> 
> The third patch extends this to permit attribute groups to be dynamically
> constructed before the directory they're in is populated.  I also add a
> user for this; the much-requested ability to display the MSI-X vectors
> in use by a device.
> 
> Both patches also deconstruct the directories / attribute groups when the
> dentry of the directory goes out of cache.

Oh, I meant to say, this is enough to get my laptop to boot.  I couldn't
swear to the non-existance of races, or the missing of features ... lots
of care needed with this patch, IMO.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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