linux-kernel - Re: [PATCH v3 2/3] cgroup: revise how we re-populate root directory

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]

Date:	Mon, 9 Jul 2012 10:22:20 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Aristeu Rozanski <aris@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Li Zefan <lizefan@...wei.com>,
	Hugh Dickins <hughd@...gle.com>,
	Hillf Danton <dhillf@...il.com>
Subject: Re: [PATCH v3 2/3] cgroup: revise how we re-populate root directory

On Mon, Jul 09, 2012 at 10:17:48AM -0700, Tejun Heo wrote:
> On Mon, Jul 02, 2012 at 10:29:27AM -0400, Aristeu Rozanski wrote:
> > From: Li Zefan <lizefan@...wei.com>
> > 
> > When remounting cgroupfs with some subsystems added to it and some
> > removed, cgroup will remove all the files in root directory and then
> > re-popluate it.
> > 
> > What I'm doing here is, only remove files which belong to subsystems that
> > are to be unbinded, and only create files for newly-added subsystems.
> > The purpose is to have all other files untouched.
> > 
> > This is a preparation for cgroup xattr support.
> > 
> > v3:
> > - refresh patches after recent refactoring
> 
> Changing subsys_bits via remount is being deprecated.  No need to
> worry about this.

Also, why does this matter?  The xattrs are kept in cgrp anyway.  Why
does keeping dentry/inode around make difference?

Thanks.

-- 
tejun
--
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/