From: Yu Kuai <yukuai3@huawei.com> To: <axboe@kernel.dk>, <tj@kernel.org> Cc: <linux-block@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <cgroups@vger.kernel.org>, <yukuai3@huawei.com>, <yi.zhang@huawei.com> Subject: [PATCH 4/6] blk-iolatency: splict blkcg_iolatency_free() from blkcg_iolatency_exit() Date: Thu, 23 Sep 2021 21:46:29 +0800 [thread overview] Message-ID: <20210923134631.105719-5-yukuai3@huawei.com> (raw) In-Reply-To: <20210923134631.105719-1-yukuai3@huawei.com> Prepare to split 'kfree(blkiolat)' from blkcg_iolatency_exit(), no functional changes. Signed-off-by: Yu Kuai <yukuai3@huawei.com> --- block/blk-iolatency.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index c0545f9da549..f3b8848e6a46 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -648,10 +648,18 @@ static void blkcg_iolatency_exit(struct rq_qos *rqos) kfree(blkiolat); } +static void blkcg_iolatency_free(struct rq_qos *rqos) +{ + struct blk_iolatency *blkiolat = BLKIOLATENCY(rqos); + + kfree(blkiolat); +} + static struct rq_qos_ops blkcg_iolatency_ops = { .throttle = blkcg_iolatency_throttle, .done_bio = blkcg_iolatency_done_bio, .exit = blkcg_iolatency_exit, + .free = blkcg_iolatency_free, }; static void blkiolatency_timer_fn(struct timer_list *t) -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Yu Kuai <yukuai3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> To: axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, yukuai3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, yi.zhang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org Subject: [PATCH 4/6] blk-iolatency: splict blkcg_iolatency_free() from blkcg_iolatency_exit() Date: Thu, 23 Sep 2021 21:46:29 +0800 [thread overview] Message-ID: <20210923134631.105719-5-yukuai3@huawei.com> (raw) In-Reply-To: <20210923134631.105719-1-yukuai3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Prepare to split 'kfree(blkiolat)' from blkcg_iolatency_exit(), no functional changes. Signed-off-by: Yu Kuai <yukuai3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> --- block/blk-iolatency.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index c0545f9da549..f3b8848e6a46 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -648,10 +648,18 @@ static void blkcg_iolatency_exit(struct rq_qos *rqos) kfree(blkiolat); } +static void blkcg_iolatency_free(struct rq_qos *rqos) +{ + struct blk_iolatency *blkiolat = BLKIOLATENCY(rqos); + + kfree(blkiolat); +} + static struct rq_qos_ops blkcg_iolatency_ops = { .throttle = blkcg_iolatency_throttle, .done_bio = blkcg_iolatency_done_bio, .exit = blkcg_iolatency_exit, + .free = blkcg_iolatency_free, }; static void blkiolatency_timer_fn(struct timer_list *t) -- 2.31.1
next prev parent reply other threads:[~2021-09-23 13:37 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-23 13:46 [PATCH 0/6] fix uaf in rq_qos_done_io() Yu Kuai 2021-09-23 13:46 ` Yu Kuai 2021-09-23 13:46 ` [PATCH 1/6] rq-qos: introduce rq_qos_free() Yu Kuai 2021-09-23 13:46 ` Yu Kuai 2021-09-23 13:46 ` [PATCH 2/6] blk-wbt: introduce wbt_free() Yu Kuai 2021-09-23 13:46 ` Yu Kuai 2021-09-23 13:46 ` [PATCH 3/6] io-cost: introduce ioc_rqos_free() Yu Kuai 2021-09-23 13:46 ` Yu Kuai 2021-09-23 13:46 ` Yu Kuai [this message] 2021-09-23 13:46 ` [PATCH 4/6] blk-iolatency: splict blkcg_iolatency_free() from blkcg_iolatency_exit() Yu Kuai 2021-09-23 13:46 ` [PATCH 5/6] blk-ioprio: introduce blkcg_ioprio_free() Yu Kuai 2021-09-23 13:46 ` Yu Kuai 2021-09-23 13:46 ` [PATCH 6/6] rq-qos: fix uaf in rq_qos_done_io() Yu Kuai 2021-09-23 13:46 ` Yu Kuai 2021-09-24 0:41 ` Ming Lei 2021-09-24 0:41 ` Ming Lei 2021-09-24 1:23 ` yukuai (C) 2021-09-24 1:23 ` yukuai (C) 2021-09-24 1:49 ` Ming Lei 2021-09-24 1:49 ` Ming Lei 2021-09-24 8:19 ` yukuai (C) 2021-09-24 8:19 ` yukuai (C)
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