linux-kernel - [PATCH] f2fs-tools: allocate logs after conventional area for HM zoned devices

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Date: Wed, 17 Jan 2024 15:00:32 -0800
From: Daeho Jeong <daeho43@...il.com>
To: linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	kernel-team@...roid.com
Cc: Daeho Jeong <daehojeong@...gle.com>
Subject: [PATCH] f2fs-tools: allocate logs after conventional area for HM zoned devices

From: Daeho Jeong <daehojeong@...gle.com>

Make to allocate logs after conventional area for HM zoned devices to
spare them for file pinning support.

Signed-off-by: Daeho Jeong <daehojeong@...gle.com>
---
 mkfs/f2fs_format.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index f2840c8..91a7f4b 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -557,7 +557,8 @@ static int f2fs_prepare_super_block(void)
 		c.cur_seg[CURSEG_COLD_DATA] = 0;
 		c.cur_seg[CURSEG_WARM_DATA] = next_zone(CURSEG_COLD_DATA);
 	} else if (c.zoned_mode) {
-		c.cur_seg[CURSEG_HOT_NODE] = 0;
+		c.cur_seg[CURSEG_HOT_NODE] = c.zoned_model == F2FS_ZONED_HM ?
+			c.devices[0].total_segments : 0;
 		c.cur_seg[CURSEG_WARM_NODE] = next_zone(CURSEG_HOT_NODE);
 		c.cur_seg[CURSEG_COLD_NODE] = next_zone(CURSEG_WARM_NODE);
 		c.cur_seg[CURSEG_HOT_DATA] = next_zone(CURSEG_COLD_NODE);
-- 
2.43.0.381.gb435a96ce8-goog