Re: [PATCH] sysfs: add filter function to groups

[Jeff Garzik]

James Bottomley wrote:
> visibility and creation are the same thing, aren't they?  An invisible
> attribute doesn't appear in the sysfs directory, so it's equivalent to
> the file for it not being created.


What about the case where it's visible at creation time, but then needs 
to be made selectively invisible later on?

That implies either a remove operation or dentry checks on each lookup?

	Jeff


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