From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Chao Yu <chao@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] mkfs.f2fs: update allocation policy for ro feature
Date: Tue, 27 Sep 2022 09:40:59 -0700 [thread overview]
Message-ID: <YzMnm4vx7dxb+vAA@google.com> (raw)
In-Reply-To: <20220925055802.11955-1-chao@kernel.org>
On 09/25, Chao Yu wrote:
> Update allocation policy for ro feature:
> - hot_data: allocating blocks by LBA ascending order
> - hot_node: allocating blocks by LBA descending order
This will increase the RO image size.
>
> Signed-off-by: Chao Yu <chao@kernel.org>
> ---
> mkfs/f2fs_format.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
> index 40ac589..8d0f410 100644
> --- a/mkfs/f2fs_format.c
> +++ b/mkfs/f2fs_format.c
> @@ -544,10 +544,10 @@ static int f2fs_prepare_super_block(void)
> }
>
> if (c.feature & cpu_to_le32(F2FS_FEATURE_RO)) {
> - c.cur_seg[CURSEG_HOT_NODE] = 0;
> + c.cur_seg[CURSEG_HOT_NODE] = last_section(last_zone(total_zones));
> c.cur_seg[CURSEG_WARM_NODE] = 0;
> c.cur_seg[CURSEG_COLD_NODE] = 0;
> - c.cur_seg[CURSEG_HOT_DATA] = 1;
> + c.cur_seg[CURSEG_HOT_DATA] = 0;
> c.cur_seg[CURSEG_COLD_DATA] = 0;
> c.cur_seg[CURSEG_WARM_DATA] = 0;
> } else if (c.heap) {
> --
> 2.36.1
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next prev parent reply other threads:[~2022-09-27 16:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-25 5:58 [f2fs-dev] [PATCH] mkfs.f2fs: update allocation policy for ro feature Chao Yu
2022-09-27 16:40 ` Jaegeuk Kim [this message]
2022-09-28 1:48 ` Chao Yu
2022-09-28 3:15 ` Jaegeuk Kim
2022-09-28 11:59 ` Chao Yu
2022-09-29 18:27 ` Jaegeuk Kim
2022-09-29 22:57 ` Chao Yu
2022-09-30 22:33 ` Jaegeuk Kim
2022-10-01 0:26 ` Chao Yu
2022-10-03 1:06 ` Jaegeuk Kim
2022-10-06 15:22 ` Chao Yu
2022-09-28 2:11 ` [f2fs-dev] 答复: " zhangqilong via Linux-f2fs-devel
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