2024-01-31 18:33:23

by Daeho Jeong

Subject: [PATCH v2] f2fs-tools: allocate logs after conventional area for HM zoned devices

From: Daeho Jeong <[email protected]>

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

Signed-off-by: Daeho Jeong <[email protected]>
---
v2: make current segment numbers relative to main start block. check
zoned block availability before the allocation.
---
mkfs/f2fs_format.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index f2840c8..57ea9ea 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -558,6 +558,16 @@ static int f2fs_prepare_super_block(void)
c.cur_seg[CURSEG_WARM_DATA] = next_zone(CURSEG_COLD_DATA);
} else if (c.zoned_mode) {
c.cur_seg[CURSEG_HOT_NODE] = 0;
+ if (c.zoned_model == F2FS_ZONED_HM) {
+ uint32_t conv_zones =
+ c.devices[0].total_segments / c.segs_per_zone
+ - total_meta_zones;
+
+ if (total_zones - conv_zones >= avail_zones)
+ c.cur_seg[CURSEG_HOT_NODE] =
+ (c.devices[1].start_blkaddr -
+ get_sb(main_blkaddr)) / c.blks_per_seg;
+ }
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);
--
2.43.0.429.g432eaa2c6b-goog

2024-02-01 10:13:00

by Chao Yu

Subject: Re: [f2fs-dev] [PATCH v2] f2fs-tools: allocate logs after conventional area for HM zoned devices

On 2024/2/1 2:33, Daeho Jeong wrote:
> From: Daeho Jeong <[email protected]>
>
> Make to allocate logs after conventional area for HM zoned devices to
> spare them for file pinning support.
>
> Signed-off-by: Daeho Jeong <[email protected]>

Reviewed-by: Chao Yu <[email protected]>

Thanks,