Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [f2fs-dev] [PATCH v3] f2fs: add sysfs node to control ra_pages
 for fadvise seq file
To:     Daeho Jeong <daeho43@gmail.com>, linux-kernel@vger.kernel.org,
        linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com
Cc:     Jaegeuk Kim <jaegeuk@kernel.org>,
        Daeho Jeong <daehojeong@google.com>
References: <20210803042245.2297259-1-daeho43@gmail.com>
From:   Chao Yu <chao@kernel.org>
Message-ID: <e7683629-d862-aab2-18a1-4bee84acee48@kernel.org>
Date:   Tue, 3 Aug 2021 16:31:22 +0800
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101
 Thunderbird/78.12.0
MIME-Version: 1.0
In-Reply-To: <20210803042245.2297259-1-daeho43@gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 2021/8/3 12:22, Daeho Jeong wrote:
> From: Daeho Jeong <daehojeong@google.com>
> 
> fadvise() allows the user to expand the readahead window to double with
> POSIX_FADV_SEQUENTIAL, now. But, in some use cases, it is not that
> sufficient and we need to meet the need in a restricted way. We can
> control the multiplier value of bdi device readahead between 2 (default)
> and 256 for POSIX_FADV_SEQUENTIAL advise option.
> 
> Signed-off-by: Daeho Jeong <daehojeong@google.com>

I guess you can add below tag directly in v3. :)

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,