From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7493A28EE for ; Mon, 2 Jan 2023 11:28:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0EA0C433D2; Mon, 2 Jan 2023 11:28:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672658888; bh=4wlo2/Dd5CujuiBkCvx8MyiqreDK3NPxFRAy+CFsC7w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lsnx26Gv3EiNtBX30rsLOHp9YJFV28deQLtcR081hXQ5oOTPCENC0hyN99FKDqhZu SBKc4FHiIS7QEQq+J9JmCaK/p2VFKY6zG5yOsJUbo39LUMTOnnYT4rJ1V09c0SqrDw wlBkp83h6KeVinP7XhORmp4PaJLBTERZs1hykuNc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Christoph Hellwig , Andreas Herrmann , Tejun Heo , Jens Axboe , Sasha Levin Subject: [PATCH 6.0 07/74] blk-throttle: pass a gendisk to blk_throtl_init and blk_throtl_exit Date: Mon, 2 Jan 2023 12:21:40 +0100 Message-Id: <20230102110552.361250389@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230102110552.061937047@linuxfoundation.org> References: <20230102110552.061937047@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Christoph Hellwig [ Upstream commit e13793bae65919cd3e6a7827f8d30f4dbb8584ee ] Pass the gendisk to blk_throtl_init and blk_throtl_exit as part of moving the blk-cgroup infrastructure to be gendisk based. Signed-off-by: Christoph Hellwig Reviewed-by: Andreas Herrmann Acked-by: Tejun Heo Link: https://lore.kernel.org/r/20220921180501.1539876-13-hch@lst.de Signed-off-by: Jens Axboe Stable-dep-of: 813e693023ba ("blk-iolatency: Fix memory leak on add_disk() failures") Signed-off-by: Sasha Levin --- block/blk-cgroup.c | 6 +++--- block/blk-throttle.c | 7 +++++-- block/blk-throttle.h | 8 ++++---- 3 files changed, 12 insertions(+), 9 deletions(-) diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 4943f36d8a84..afe802e1180f 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1277,7 +1277,7 @@ int blkcg_init_disk(struct gendisk *disk) if (ret) goto err_destroy_all; - ret = blk_throtl_init(q); + ret = blk_throtl_init(disk); if (ret) goto err_ioprio_exit; @@ -1288,7 +1288,7 @@ int blkcg_init_disk(struct gendisk *disk) return 0; err_throtl_exit: - blk_throtl_exit(q); + blk_throtl_exit(disk); err_ioprio_exit: blk_ioprio_exit(q); err_destroy_all: @@ -1304,7 +1304,7 @@ int blkcg_init_disk(struct gendisk *disk) void blkcg_exit_disk(struct gendisk *disk) { blkg_destroy_all(disk->queue); - blk_throtl_exit(disk->queue); + blk_throtl_exit(disk); } static void blkcg_bind(struct cgroup_subsys_state *root_css) diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 35cf744ea9d1..f84a6ed440c9 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -2276,8 +2276,9 @@ void blk_throtl_bio_endio(struct bio *bio) } #endif -int blk_throtl_init(struct request_queue *q) +int blk_throtl_init(struct gendisk *disk) { + struct request_queue *q = disk->queue; struct throtl_data *td; int ret; @@ -2319,8 +2320,10 @@ int blk_throtl_init(struct request_queue *q) return ret; } -void blk_throtl_exit(struct request_queue *q) +void blk_throtl_exit(struct gendisk *disk) { + struct request_queue *q = disk->queue; + BUG_ON(!q->td); del_timer_sync(&q->td->service_queue.pending_timer); throtl_shutdown_wq(q); diff --git a/block/blk-throttle.h b/block/blk-throttle.h index ee7299e6dea9..e8c2b3d4a18b 100644 --- a/block/blk-throttle.h +++ b/block/blk-throttle.h @@ -159,14 +159,14 @@ static inline struct throtl_grp *blkg_to_tg(struct blkcg_gq *blkg) * Internal throttling interface */ #ifndef CONFIG_BLK_DEV_THROTTLING -static inline int blk_throtl_init(struct request_queue *q) { return 0; } -static inline void blk_throtl_exit(struct request_queue *q) { } +static inline int blk_throtl_init(struct gendisk *disk) { return 0; } +static inline void blk_throtl_exit(struct gendisk *disk) { } static inline void blk_throtl_register_queue(struct request_queue *q) { } static inline bool blk_throtl_bio(struct bio *bio) { return false; } static inline void blk_throtl_cancel_bios(struct request_queue *q) { } #else /* CONFIG_BLK_DEV_THROTTLING */ -int blk_throtl_init(struct request_queue *q); -void blk_throtl_exit(struct request_queue *q); +int blk_throtl_init(struct gendisk *disk); +void blk_throtl_exit(struct gendisk *disk); void blk_throtl_register_queue(struct request_queue *q); bool __blk_throtl_bio(struct bio *bio); void blk_throtl_cancel_bios(struct request_queue *q); -- 2.35.1