linux-kernel - Re: [PATCH 11/11] blkcg: implement per-blkg request allocation

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: <20120427202119.GO10579@redhat.com>
Date:	Fri, 27 Apr 2012 16:21:19 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	axboe@...nel.dk, ctalbott@...gle.com, rni@...gle.com,
	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
	containers@...ts.linux-foundation.org, fengguang.wu@...el.com,
	hughd@...gle.com, akpm@...ux-foundation.org
Subject: Re: [PATCH 11/11] blkcg: implement per-blkg request allocation

On Fri, Apr 27, 2012 at 01:15:16PM -0700, Tejun Heo wrote:

[..]
> > IOW, looks like we need a mechanism to mark a blkcg dead (set in
> > pre_destroy() call) and any submissions to blkcg after that should result
> > in bio being divered to root group?
> 
> Don't we already have that with css_tryget()?

Ok, forgot about css_tryget(). Yes that should work. Thanks. Introduction
of cgroup has made locking and lifetime rules little complicated. :-)

Thanks
Vivek
--
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/