From patchwork Sun Oct 9 21:31:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Gordeev X-Patchwork-Id: 9368667 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 359546048F for ; Sun, 9 Oct 2016 21:31:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2878328B4A for ; Sun, 9 Oct 2016 21:31:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 194B628B55; Sun, 9 Oct 2016 21:31:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF4F428B4A for ; Sun, 9 Oct 2016 21:31:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752136AbcJIVba (ORCPT ); Sun, 9 Oct 2016 17:31:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51644 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751294AbcJIVb3 (ORCPT ); Sun, 9 Oct 2016 17:31:29 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E9033461C3; Sun, 9 Oct 2016 21:31:28 +0000 (UTC) Received: from dhcp-27-118.brq.redhat.com (dhcp-27-122.brq.redhat.com [10.34.27.122]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u99LVQaI016760 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 9 Oct 2016 17:31:28 -0400 Date: Sun, 9 Oct 2016 23:31:25 +0200 From: Alexander Gordeev To: Sagi Grimberg Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org Subject: [PATCH v3 7/8] blk-mq: Pair blk_mq_hctx_kobj_init() with blk_mq_hctx_kobj_put() Message-ID: <20161009213125.GB21398@dhcp-27-118.brq.redhat.com> References: <854ffaab-7021-036f-7684-bf33edc59799@grimberg.me> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <854ffaab-7021-036f-7684-bf33edc59799@grimberg.me> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sun, 09 Oct 2016 21:31:29 +0000 (UTC) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP CC: linux-block@vger.kernel.org Signed-off-by: Alexander Gordeev --- block/blk-mq-sysfs.c | 5 +++++ block/blk-mq.c | 2 +- block/blk-mq.h | 1 + 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c index 01fb455..11846d0 100644 --- a/block/blk-mq-sysfs.c +++ b/block/blk-mq-sysfs.c @@ -429,6 +429,11 @@ void blk_mq_hctx_kobj_init(struct blk_mq_hw_ctx *hctx) kobject_init(&hctx->kobj, &blk_mq_hw_ktype); } +void blk_mq_hctx_kobj_put(struct blk_mq_hw_ctx *hctx) +{ + kobject_put(&hctx->kobj); +} + static void blk_mq_sysfs_init(struct request_queue *q) { struct blk_mq_ctx *ctx; diff --git a/block/blk-mq.c b/block/blk-mq.c index d2c11fc..53f8663 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1928,7 +1928,7 @@ static void blk_mq_realloc_hw_ctxs(struct blk_mq_tag_set *set, continue; hctxs[j] = NULL; - kobject_put(&hctx->kobj); + blk_mq_hctx_kobj_put(hctx); if (hctx->tags) { blk_mq_free_rq_map(set, hctx->tags, j); diff --git a/block/blk-mq.h b/block/blk-mq.h index e5d2524..3d53818 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -53,6 +53,7 @@ static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q, extern int blk_mq_sysfs_register(struct request_queue *q); extern void blk_mq_sysfs_unregister(struct request_queue *q); extern void blk_mq_hctx_kobj_init(struct blk_mq_hw_ctx *hctx); +extern void blk_mq_hctx_kobj_put(struct blk_mq_hw_ctx *hctx); extern void blk_mq_rq_timed_out(struct request *req, bool reserved);