From: Jens Axboe <axboe@kernel.dk>
To: Shaohua Li <shli@fb.com>,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Cc: tj@kernel.org, Vivek Goyal <vgoyal@redhat.com>,
jmoyer@redhat.com, Kernel-team@fb.com
Subject: Re: [PATCH V7 00/18] blk-throttle: add .low limit
Date: Mon, 27 Mar 2017 12:15:29 -0600 [thread overview]
Message-ID: <dfc4078b-a130-2997-9c44-20d3d17db9cc@kernel.dk> (raw)
In-Reply-To: <cover.1490634565.git.shli@fb.com>
On 03/27/2017 11:51 AM, Shaohua Li wrote:
> V6->V7:
> - Don't overload blk stat, which will simplify the code. This will add extra
> space in bio/request though with the low interface configure option on.
Hmm, why? As far as I can see, it just makes things worse.
--
Jens Axboe
next prev parent reply other threads:[~2017-03-27 18:15 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-27 17:51 [PATCH V7 00/18] blk-throttle: add .low limit Shaohua Li
2017-03-27 17:51 ` [PATCH V7 01/18] blk-throttle: use U64_MAX/UINT_MAX to replace -1 Shaohua Li
2017-03-27 17:51 ` [PATCH V7 02/18] blk-throttle: prepare support multiple limits Shaohua Li
2017-03-27 17:51 ` [PATCH V7 03/18] blk-throttle: add configure option for new .low interface Shaohua Li
2017-03-27 17:51 ` [PATCH V7 04/18] blk-throttle: add " Shaohua Li
2017-03-27 17:51 ` [PATCH V7 05/18] blk-throttle: configure bps/iops limit for cgroup in low limit Shaohua Li
2017-03-27 17:51 ` [PATCH V7 06/18] blk-throttle: add upgrade logic for LIMIT_LOW state Shaohua Li
2017-03-27 17:51 ` [PATCH V7 07/18] blk-throttle: add downgrade logic Shaohua Li
2017-03-27 17:51 ` [PATCH V7 08/18] blk-throttle: make sure expire time isn't too big Shaohua Li
2017-03-27 17:51 ` [PATCH V7 09/18] blk-throttle: make throtl_slice tunable Shaohua Li
2017-03-27 17:51 ` [PATCH V7 10/18] blk-throttle: choose a small throtl_slice for SSD Shaohua Li
2017-03-27 17:51 ` [PATCH V7 11/18] blk-throttle: detect completed idle cgroup Shaohua Li
2017-03-27 17:51 ` [PATCH V7 12/18] blk-throttle: make bandwidth change smooth Shaohua Li
2017-03-27 17:51 ` [PATCH V7 13/18] blk-throttle: add a simple idle detection Shaohua Li
2017-03-27 17:51 ` [PATCH V7 14/18] blk-throttle: add interface to configure idle time threshold Shaohua Li
2017-03-27 17:51 ` [PATCH V7 15/18] blk-throttle: ignore idle cgroup limit Shaohua Li
2017-03-27 17:51 ` [PATCH V7 16/18] blk-throttle: add interface for per-cgroup target latency Shaohua Li
2017-03-27 17:51 ` [PATCH V7 17/18] blk-throttle: add a mechanism to estimate IO latency Shaohua Li
2017-03-27 17:51 ` [PATCH V7 18/18] blk-throttle: add latency target support Shaohua Li
2017-03-27 18:15 ` Jens Axboe [this message]
2017-03-27 19:00 ` [PATCH V7 00/18] blk-throttle: add .low limit Shaohua Li
2017-03-27 19:11 ` Jens Axboe
2017-03-27 22:19 ` [PATCH 0/3] blk-throttle: add .low limit fix Shaohua Li
2017-03-27 22:19 ` [PATCH 1/3] block: track request size in blk_issue_stat Shaohua Li
2017-03-27 22:19 ` [PATCH 2/3] blk-throttle: add a mechanism to estimate IO latency Shaohua Li
2017-03-27 22:19 ` [PATCH 3/3] blk-throttle: add latency target support Shaohua Li
2017-03-28 15:58 ` [PATCH 0/3] blk-throttle: add .low limit fix Jens Axboe
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