Re: [RFC PATCH 2/2] mm: introduce budgt control in readahead

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To: "zhaoyang.huang" <zhaoyang.huang@xxxxxxxxxx>
Subject: Re: [RFC PATCH 2/2] mm: introduce budgt control in readahead
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Date: Wed, 15 May 2024 05:09:26 +0100
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, Zhaoyang Huang <huangzhaoyang@xxxxxxxxx>, steve.kang@xxxxxxxxxx
In-reply-to: <20240515012350.1166350-3-zhaoyang.huang@unisoc.com>
References: <20240515012350.1166350-1-zhaoyang.huang@unisoc.com> <20240515012350.1166350-3-zhaoyang.huang@unisoc.com>

On Wed, May 15, 2024 at 09:23:50AM +0800, zhaoyang.huang wrote:
> +	unsigned long budgt = inode->i_sb->s_bdev ?
> +			blk_throttle_budgt(inode->i_sb->s_bdev) : 0;

NAK as previously explained.

Follow-Ups:
- Re: [RFC PATCH 2/2] mm: introduce budgt control in readahead
  - From: Zhaoyang Huang

References:
- [RFC PATCH 0/2] introduce precised blk-throttle control
  - From: zhaoyang.huang
- [RFC PATCH 2/2] mm: introduce budgt control in readahead
  - From: zhaoyang.huang

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