linux-kernel - Re: [f2fs-dev] [PATCH 2/2 v2] f2fs: attach IO flags to the missing cases

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Date:   Mon, 8 Jun 2020 16:35:11 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-f2fs-devel@...ts.sourceforge.net>, <kernel-team@...roid.com>
Subject: Re: [f2fs-dev] [PATCH 2/2 v2] f2fs: attach IO flags to the missing
 cases

Jaegeuk,

This patch should be applied before "f2fs: attach IO flags to the missing cases",
otherwise, gcc may complain about implicit declaration of "__attach_io_flag".

On 2020/6/8 10:51, Jaegeuk Kim wrote:
> This patch adds another way to attach bio flags to node writes.
> 
> Description:   Give a way to attach REQ_META|FUA to node writes
>                given temperature-based bits. Now the bits indicate:
>                *      REQ_META     |      REQ_FUA      |
>                *    5 |    4 |   3 |    2 |    1 |   0 |
>                * Cold | Warm | Hot | Cold | Warm | Hot |
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>

Reviewed-by: Chao Yu <yuchao0@...wei.com>

Thanks,