From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755109AbbFXCo2 (ORCPT ); Tue, 23 Jun 2015 22:44:28 -0400 Received: from mail-qk0-f181.google.com ([209.85.220.181]:36492 "EHLO mail-qk0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751932AbbFXCoS (ORCPT ); Tue, 23 Jun 2015 22:44:18 -0400 From: Tejun Heo To: axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, vgoyal@redhat.com, avanzini.arianna@gmail.com, kernel-team@fb.com Subject: [PATCHSET block/for-4.2/writeback] blkcg: blkcg_policy methods cleanup Date: Tue, 23 Jun 2015 22:44:06 -0400 Message-Id: <1435113853-12053-1-git-send-email-tj@kernel.org> X-Mailer: git-send-email 2.4.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset contains assorted cleanups for blkcg_policy methods. * alloc/free are added. exit is dropped. * blk-throttle's async percpu allocation is replaced with direct allocation. * all methods now take blkcg_policy_data instead of blkcg_gq. Nothing too controversial. Jens, as we're at the beginning of the 4.2 merge window, I'll ping / repost this patchset along with other pending patchsets once -rc1 drops. This patchset contains the following seven patches. 0001-blkcg-remove-unnecessary-request_list-blkg-NULL-test.patch 0002-blkcg-use-blkg_free-in-blkcg_init_queue-failure-path.patch 0003-blkcg-make-blkcg_activate_policy-allow-NULL-pd_init_.patch 0004-blkcg-replace-blkcg_policy-pd_size-with-pd_alloc-fre.patch 0005-blk-throttle-remove-asynchrnous-percpu-stats-allocat.patch 0006-blk-throttle-clean-up-blkg_policy_data-alloc-init-ex.patch 0007-blkcg-make-blkcg_policy-methods-take-a-pointer-to-bl.patch 0001-0003 are misc cleanups. 0004-0006 add alloc/free methods and remove blk-throttle's async percpu allocation mechanism. 0007 makes all methods take blkcg_policy_data. This patchset is also available in the following git branch. git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-blkcg-methods-cleanup and is on top of [1] block/for-4.2/writeback [2] [PATCHSET block/for-4.2/writeback] block, cgroup: make cfq charge async IOs to the appropriate blkcgs diffstat follows. Thanks. block/blk-cgroup.c | 53 +++++-------- block/blk-throttle.c | 173 +++++++++++++-------------------------------- block/cfq-iosched.c | 37 +++++++-- include/linux/blk-cgroup.h | 31 +++----- 4 files changed, 116 insertions(+), 178 deletions(-) -- tejun [1] 5857cd637bc0 ("bdi: fix wrong error return value in cgwb_create()"). [2] http://lkml.kernel.org/g/1433753973-23684-1-git-send-email-tj@kernel.org