From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B187C6379F for ; Tue, 14 Feb 2023 18:33:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232097AbjBNSdh (ORCPT ); Tue, 14 Feb 2023 13:33:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231571AbjBNSdg (ORCPT ); Tue, 14 Feb 2023 13:33:36 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CEB9298CE; Tue, 14 Feb 2023 10:33:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=WUoh+1Csahgd9oVmto73ly56AlehnZ8I2LMB2EBC4RQ=; b=r1JyzZfOFBWKafi3cK+INp1u1R el6hEZcjSxiBfO85IvKg/rkh0HR3Oj+1a58juAN8f4GtTm1qj4ewITdVBefQbHGfBZe0ENzGNXYoa Z1HRWzHc1jhgQN4eJvjZLQuePZonTgvwc5S3wxrbuA8OAM01UEBPvZI2bs6SmB+CQ1hOfI3l1x4vf Shkf6AoGaETL5nFWAH7zm3mw6z1ZH1G+M3aIh+lmRP2w37n8Xzr0p8YyQmKSIIz4bc67a89VepNJ/ ReGOEG+RzKWkmum+9kfj4g+vR5jthAcGdNvIwFx12FmZJ+xVGYSkw3sghJqP8I2MYjiqj8WiuzmwG Atsvjr/Q==; Received: from [2001:4bb8:181:6771:29b8:d178:cc31:6d8f] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pS07Q-003Bdg-VE; Tue, 14 Feb 2023 18:33:34 +0000 From: Christoph Hellwig To: Jens Axboe , Tejun Heo , Josef Bacik Cc: Ming Lei , cgroups@vger.kernel.org, linux-block@vger.kernel.org Subject: [PATCH 3/5] Revert "blk-cgroup: delay blk-cgroup initialization until add_disk" Date: Tue, 14 Feb 2023 19:33:06 +0100 Message-Id: <20230214183308.1658775-4-hch@lst.de> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230214183308.1658775-1-hch@lst.de> References: <20230214183308.1658775-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org This reverts commit 178fa7d49815ea8001f43ade37a22072829fd8ab. Signed-off-by: Christoph Hellwig --- block/genhd.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 7e031559bf514c..093ef292e98f7f 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -466,13 +466,9 @@ int __must_check device_add_disk(struct device *parent, struct gendisk *disk, */ pm_runtime_set_memalloc_noio(ddev, true); - ret = blkcg_init_disk(disk); - if (ret) - goto out_del_block_link; - ret = blk_integrity_add(disk); if (ret) - goto out_blkcg_exit; + goto out_del_block_link; disk->part0->bd_holder_dir = kobject_create_and_add("holders", &ddev->kobj); @@ -538,8 +534,6 @@ int __must_check device_add_disk(struct device *parent, struct gendisk *disk, kobject_put(disk->part0->bd_holder_dir); out_del_integrity: blk_integrity_del(disk); -out_blkcg_exit: - blkcg_exit_disk(disk); out_del_block_link: if (!sysfs_deprecated) sysfs_remove_link(block_depr, dev_name(ddev)); @@ -668,8 +662,6 @@ void del_gendisk(struct gendisk *disk) rq_qos_exit(q); blk_mq_unquiesce_queue(q); - blkcg_exit_disk(disk); - /* * If the disk does not own the queue, allow using passthrough requests * again. Else leave the queue frozen to fail all I/O. @@ -1178,6 +1170,8 @@ static void disk_release(struct device *dev) !test_bit(GD_ADDED, &disk->state)) blk_mq_exit_queue(disk->queue); + blkcg_exit_disk(disk); + bioset_exit(&disk->bio_split); disk_release_events(disk); @@ -1390,6 +1384,9 @@ struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id, if (xa_insert(&disk->part_tbl, 0, disk->part0, GFP_KERNEL)) goto out_destroy_part_tbl; + if (blkcg_init_disk(disk)) + goto out_erase_part0; + rand_initialize_disk(disk); disk_to_dev(disk)->class = &block_class; disk_to_dev(disk)->type = &disk_type; @@ -1402,6 +1399,8 @@ struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id, #endif return disk; +out_erase_part0: + xa_erase(&disk->part_tbl, 0); out_destroy_part_tbl: xa_destroy(&disk->part_tbl); disk->part0->bd_disk = NULL; -- 2.39.1