From: Tejun Heo <tj@kernel.org>
To: Shaohua Li <shli@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
gregkh@linuxfoundation.org, hch@lst.de, axboe@fb.com,
rostedt@goodmis.org, lizefan@huawei.com, Kernel-team@fb.com,
Shaohua Li <shli@fb.com>
Subject: Re: [PATCH 08/11] block: always attach cgroup info into bio
Date: Mon, 12 Jun 2017 14:49:04 -0400 [thread overview]
Message-ID: <20170612184904.GL19206@htj.duckdns.org> (raw)
In-Reply-To: <f998a0a4d1117f7438dea22c565aeb799d112d31.1496432591.git.shli@fb.com>
On Fri, Jun 02, 2017 at 02:54:01PM -0700, Shaohua Li wrote:
> @@ -691,6 +691,8 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q,
> rcu_read_lock();
> blkcg = bio_blkcg(bio);
>
> + bio_associate_blkcg(bio, &blkcg->css);
> +
Let's please note that this only established the fallback mapping when
the bio hasn't been associated yet and doesn't override the existing
association.
Thanks.
--
tejun
next prev parent reply other threads:[~2017-06-12 18:49 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-02 21:53 [PATCH 00/11]blktrace: output cgroup info Shaohua Li
2017-06-02 21:53 ` [PATCH 01/11] kernfs: implement i_generation Shaohua Li
2017-06-02 21:53 ` [PATCH 02/11] kernfs: use idr instead of ida to manage inode number Shaohua Li
2017-06-12 18:14 ` Tejun Heo
2017-06-02 21:53 ` [PATCH 03/11] kernfs: add an API to get kernfs node from " Shaohua Li
2017-06-02 22:03 ` Eduardo Valentin
2017-06-02 23:36 ` Shaohua Li
2017-06-12 18:20 ` Tejun Heo
2017-06-12 18:37 ` Tejun Heo
2017-06-02 21:53 ` [PATCH 04/11] kernfs: don't set dentry->d_fsdata Shaohua Li
2017-06-12 18:29 ` Tejun Heo
2017-06-02 21:53 ` [PATCH 05/11] kernfs: add exportfs operations Shaohua Li
2017-06-02 21:53 ` [PATCH 06/11] cgroup: export fhandle info for a cgroup Shaohua Li
2017-06-12 18:44 ` Tejun Heo
2017-06-02 21:54 ` [PATCH 07/11] blktrace: export cgroup info in trace Shaohua Li
2017-06-03 5:35 ` kbuild test robot
2017-06-02 21:54 ` [PATCH 08/11] block: always attach cgroup info into bio Shaohua Li
2017-06-12 18:49 ` Tejun Heo [this message]
2017-06-02 21:54 ` [PATCH 09/11] block: call __bio_free in bio_endio Shaohua Li
2017-06-02 21:54 ` [PATCH 10/11] blktrace: add an option to allow displying cgroup path Shaohua Li
2017-06-02 21:54 ` [PATCH 11/11] block: use standard blktrace API to output cgroup info for debug notes Shaohua Li
2017-06-03 1:09 ` kbuild test robot
2017-06-03 2:00 ` kbuild test robot
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