linux-kernel - Re: [PATCH] sysfs: add filter function to groups

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1193678967.3383.81.camel@localhost.localdomain>
Date:	Mon, 29 Oct 2007 12:29:27 -0500
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Cornelia Huck <cornelia.huck@...ibm.com>,
	Kay Sievers <kay.sievers@...y.org>, Greg KH <greg@...ah.com>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sysfs: add filter function to groups

On Mon, 2007-10-29 at 13:27 -0400, Jeff Garzik wrote:
> 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?

Yes, that comes with the bitmap manipulation code.  There will be a way
to add and remove runtime visibility.  I just wanted to get the basic
concept agreed to first.

James


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/