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From: Chao Yu <chao@kernel.org>
To: jaegeuk@kernel.org
Cc: linux-f2fs-devel@lists.sourceforge.net
Subject: [f2fs-dev] [PATCH] mkfs.f2fs: update allocation policy for ro feature
Date: Sun, 25 Sep 2022 13:58:02 +0800	[thread overview]
Message-ID: <20220925055802.11955-1-chao@kernel.org> (raw)

Update allocation policy for ro feature:
- hot_data: allocating blocks by LBA ascending order
- hot_node: allocating blocks by LBA descending order

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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             reply	other threads:[~2022-09-25 14:15 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-25  5:58 Chao Yu [this message]
2022-09-27 16:40 ` [f2fs-dev] [PATCH] mkfs.f2fs: update allocation policy for ro feature Jaegeuk Kim
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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