Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753155AbbFHJWT (ORCPT ); Mon, 8 Jun 2015 05:22:19 -0400 Received: from mail-pd0-f169.google.com ([209.85.192.169]:33262 "EHLO mail-pd0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752839AbbFHJWK (ORCPT ); Mon, 8 Jun 2015 05:22:10 -0400 Date: Mon, 8 Jun 2015 18:22:02 +0900 From: Tejun Heo To: Aleksa Sarai Cc: lizefan@huawei.com, mingo@redhat.com, peterz@infradead.org, richard@nod.at, fweisbec@gmail.com, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org Subject: Re: [PATCH v13 3/5] cgroup, block: implement task_get_css() Message-ID: <20150608092202.GI21465@mtj.duckdns.org> References: <1433547736-11707-1-git-send-email-cyphar@cyphar.com> <1433548938-32560-3-git-send-email-cyphar@cyphar.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1433548938-32560-3-git-send-email-cyphar@cyphar.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 887 Lines: 24 On Sat, Jun 06, 2015 at 10:02:16AM +1000, Aleksa Sarai wrote: > From: Tejun Heo > > Implement task_get_css() which find and pins the css for the specified > task and subsys. As a task is always associated with an online css > for every subsystem except while the css_set update is propagating, > task_get_css() retries till css_tryget_online() succeeds. > > Signed-off-by: Tejun Heo > Cc: Li Zefan Another form of this patch was already in block/for-4.2/writeback. I cherry picked that commit into cgroup/for-4.2 to avoid pulling the whole thing into cgroup tree. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/