From: Tejun Heo <tj@kernel.org> To: Yu Kuai <yukuai1@huaweicloud.com> Cc: mkoutny@suse.com, axboe@kernel.dk, ming.lei@redhat.com, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@huawei.com, "yukuai (C)" <yukuai3@huawei.com> Subject: Re: [PATCH v7 9/9] blk-throttle: clean up flag 'THROTL_TG_PENDING' Date: Wed, 17 Aug 2022 07:54:15 -1000 [thread overview] Message-ID: <Yv0rR9gBL0qbYeXp@slm.duckdns.org> (raw) In-Reply-To: <65d93ec6-2465-35f1-314f-f092ce631100@huaweicloud.com> Hello, On Wed, Aug 17, 2022 at 09:45:13AM +0800, Yu Kuai wrote: > > I don't know whether this is better or not. It's minutely less lines of code > > but also makes the code a bit more fragile. I'm ambivalent. At any rate, > > please move these trivial patches to the head of the series or post them > > separately. > > Can I ask why do you think this patch makes the code a bit more fragile? It's just one step further removed. Before, the flag was trivially in sync with the on queue status. After, the relationship is more indirect and easier to break accidentally. Not that it's a major problem. Just not sure what the benefit of the change is. > By the way, I'll post these trivial patches separately. Sounds great. Thanks. -- tejun
WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> To: Yu Kuai <yukuai1-XF6JlduFytWkHkcT6e4Xnw@public.gmane.org> Cc: mkoutny-IBi9RG/b67k@public.gmane.org, axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, ming.lei-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, yi.zhang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, "yukuai (C)" <yukuai3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Subject: Re: [PATCH v7 9/9] blk-throttle: clean up flag 'THROTL_TG_PENDING' Date: Wed, 17 Aug 2022 07:54:15 -1000 [thread overview] Message-ID: <Yv0rR9gBL0qbYeXp@slm.duckdns.org> (raw) In-Reply-To: <65d93ec6-2465-35f1-314f-f092ce631100-XF6JlduFytWkHkcT6e4Xnw@public.gmane.org> Hello, On Wed, Aug 17, 2022 at 09:45:13AM +0800, Yu Kuai wrote: > > I don't know whether this is better or not. It's minutely less lines of code > > but also makes the code a bit more fragile. I'm ambivalent. At any rate, > > please move these trivial patches to the head of the series or post them > > separately. > > Can I ask why do you think this patch makes the code a bit more fragile? It's just one step further removed. Before, the flag was trivially in sync with the on queue status. After, the relationship is more indirect and easier to break accidentally. Not that it's a major problem. Just not sure what the benefit of the change is. > By the way, I'll post these trivial patches separately. Sounds great. Thanks. -- tejun
next prev parent reply other threads:[~2022-08-17 17:54 UTC|newest] Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-08-02 14:04 [PATCH v7 0/9] bugfix and cleanup for blk-throttle Yu Kuai 2022-08-02 14:04 ` Yu Kuai 2022-08-02 14:04 ` [PATCH v7 1/9] blk-throttle: fix that io throttle can only work for single bio Yu Kuai 2022-08-16 19:37 ` Tejun Heo 2022-08-17 1:13 ` Yu Kuai 2022-08-17 1:13 ` Yu Kuai 2022-08-17 17:50 ` Tejun Heo 2022-08-18 1:23 ` Yu Kuai 2022-08-18 1:23 ` Yu Kuai 2022-08-22 3:06 ` Yu Kuai 2022-08-22 3:06 ` Yu Kuai 2022-08-22 7:25 ` Tejun Heo 2022-08-22 7:25 ` Tejun Heo 2022-08-22 7:44 ` Yu Kuai 2022-08-22 7:44 ` Yu Kuai 2022-08-02 14:04 ` [PATCH v7 2/9] blk-throttle: prevent overflow while calculating wait time Yu Kuai 2022-08-02 14:04 ` [PATCH v7 3/9] blk-throttle: factor out code to calculate ios/bytes_allowed Yu Kuai 2022-08-02 14:04 ` Yu Kuai 2022-08-16 19:47 ` Tejun Heo 2022-08-17 1:32 ` Yu Kuai 2022-08-17 1:32 ` Yu Kuai 2022-08-02 14:04 ` [PATCH v7 4/9] blk-throttle: fix io hung due to configuration updates Yu Kuai 2022-08-02 14:04 ` Yu Kuai 2022-08-16 20:01 ` Tejun Heo 2022-08-16 20:01 ` Tejun Heo 2022-08-17 1:30 ` Yu Kuai 2022-08-17 1:30 ` Yu Kuai 2022-08-17 17:52 ` Tejun Heo 2022-08-17 17:52 ` Tejun Heo 2022-08-18 1:16 ` Yu Kuai 2022-08-18 1:16 ` Yu Kuai 2022-08-19 17:33 ` Tejun Heo 2022-08-19 17:33 ` Tejun Heo 2022-08-02 14:04 ` [PATCH v7 5/9] blk-throttle: improve handling of re-entered bio for bps limit Yu Kuai 2022-08-02 14:04 ` Yu Kuai 2022-08-16 20:02 ` Tejun Heo 2022-08-16 20:02 ` Tejun Heo 2022-08-02 14:04 ` [PATCH v7 6/9] blk-throttle: use 'READ/WRITE' instead of '0/1' Yu Kuai 2022-08-02 14:04 ` Yu Kuai 2022-08-16 20:03 ` Tejun Heo 2022-08-17 1:33 ` Yu Kuai 2022-08-17 1:33 ` Yu Kuai 2022-08-02 14:04 ` [PATCH v7 7/9] blk-throttle: calling throtl_dequeue/enqueue_tg in pairs Yu Kuai 2022-08-02 14:04 ` Yu Kuai 2022-08-02 14:04 ` [PATCH v7 8/9] blk-throttle: cleanup tg_update_disptime() Yu Kuai 2022-08-02 14:04 ` Yu Kuai 2022-08-16 20:09 ` Tejun Heo 2022-08-17 1:38 ` Yu Kuai 2022-08-17 1:38 ` Yu Kuai 2022-08-02 14:04 ` [PATCH v7 9/9] blk-throttle: clean up flag 'THROTL_TG_PENDING' Yu Kuai 2022-08-02 14:04 ` Yu Kuai 2022-08-16 20:14 ` Tejun Heo 2022-08-17 1:45 ` Yu Kuai 2022-08-17 1:45 ` Yu Kuai 2022-08-17 17:54 ` Tejun Heo [this message] 2022-08-17 17:54 ` Tejun Heo 2022-08-18 9:29 ` Yu Kuai 2022-08-18 9:29 ` Yu Kuai 2022-08-19 17:35 ` Tejun Heo 2022-08-19 17:35 ` Tejun Heo 2022-08-13 5:59 ` [PATCH v7 0/9] bugfix and cleanup for blk-throttle Yu Kuai 2022-08-13 5:59 ` Yu Kuai
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=Yv0rR9gBL0qbYeXp@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=ming.lei@redhat.com \ --cc=mkoutny@suse.com \ --cc=yi.zhang@huawei.com \ --cc=yukuai1@huaweicloud.com \ --cc=yukuai3@huawei.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: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.