From: Tejun Heo <tj@kernel.org>
To: Waiman Long <longman@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
cgroups@vger.kernel.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, Ming Lei <ming.lei@redhat.com>
Subject: Re: [PATCH v2 1/2] blk-cgroup: Correctly free percpu iostat_cpu in blkg on error exit
Date: Wed, 1 Jun 2022 07:48:45 -1000 [thread overview]
Message-ID: <YpemfZkI2G88qdQF@slm.duckdns.org> (raw)
In-Reply-To: <20220601165324.60892-1-longman@redhat.com>
On Wed, Jun 01, 2022 at 12:53:23PM -0400, Waiman Long wrote:
> Commit f73316482977 ("blk-cgroup: reimplement basic IO stats using cgroup
> rstat") changes block cgroup IO stats to use the rstat APIs. It added
> a new percpu iostat_cpu field into blkg. The blkg_alloc() was modified
> to allocate the new percpu iostat_cpu but didn't free it when an error
> happened. Fix this by freeing the percpu iostat_cpu on error exit.
>
> Fixes: f73316482977 ("blk-cgroup: reimplement basic IO stats using cgroup rstat")
> Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
prev parent reply other threads:[~2022-06-01 17:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-01 16:53 [PATCH v2 1/2] blk-cgroup: Correctly free percpu iostat_cpu in blkg on error exit Waiman Long
2022-06-01 16:53 ` [PATCH v2 2/2] blk-cgroup: Optimize blkcg_rstat_flush() Waiman Long
2022-06-01 17:48 ` Tejun Heo
2022-06-01 18:15 ` Waiman Long
2022-06-01 18:35 ` Tejun Heo
2022-06-01 18:52 ` Waiman Long
2022-06-01 21:25 ` Waiman Long
2022-06-01 21:28 ` Tejun Heo
2022-06-01 21:32 ` Waiman Long
2022-06-02 1:52 ` kernel test robot
2022-06-01 17:48 ` Tejun Heo [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YpemfZkI2G88qdQF@slm.duckdns.org \
--to=tj@kernel.org \
--cc=axboe@kernel.dk \
--cc=cgroups@vger.kernel.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=longman@redhat.com \
--cc=ming.lei@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox