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

Jeff Garzik
2007-10-29T17:27:50Z

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