From: Chao Yu <chao@kernel.org>
To: jaegeuk@kernel.org
Cc: linux-f2fs-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, Chao Yu <chao@kernel.org>
Subject: [PATCH] f2fs: support to show curseg.next_blkoff in debugfs
Date: Fri, 28 Nov 2025 17:25:34 +0800 [thread overview]
Message-ID: <20251128092534.1607427-1-chao@kernel.org> (raw)
cat /sys/kernel/debug/f2fs/status
Main area: 17 segs, 17 secs 17 zones
TYPE blkoff segno secno zoneno dirty_seg full_seg valid_blk
- COLD data: 0 4 4 4 0 0 0
- WARM data: 0 7 7 7 0 0 0
- HOT data: 1 5 5 5 2 0 512
- Dir dnode: 3 0 0 0 1 0 2
- File dnode: 0 1 1 1 0 0 0
- Indir nodes: 0 2 2 2 0 0 0
- Pinned file: 0 -1 -1 -1
- ATGC data: 0 -1 -1 -1
Signed-off-by: Chao Yu <chao@kernel.org>
---
fs/f2fs/debug.c | 29 +++++++++++++++++++----------
fs/f2fs/f2fs.h | 1 +
2 files changed, 20 insertions(+), 10 deletions(-)
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 43a83bbd3bc5..032683835569 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -251,6 +251,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
for (i = CURSEG_HOT_DATA; i < NO_CHECK_TYPE; i++) {
struct curseg_info *curseg = CURSEG_I(sbi, i);
+ si->blkoff[i] = curseg->next_blkoff;
si->curseg[i] = curseg->segno;
si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno);
si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]);
@@ -508,55 +509,63 @@ static int stat_show(struct seq_file *s, void *v)
seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n",
si->main_area_segs, si->main_area_sections,
si->main_area_zones);
- seq_printf(s, " TYPE %8s %8s %8s %10s %10s %10s\n",
- "segno", "secno", "zoneno", "dirty_seg", "full_seg", "valid_blk");
- seq_printf(s, " - COLD data: %8d %8d %8d %10u %10u %10u\n",
+ seq_printf(s, " TYPE %8s %8s %8s %8s %10s %10s %10s\n",
+ "blkoff", "segno", "secno", "zoneno", "dirty_seg", "full_seg", "valid_blk");
+ seq_printf(s, " - COLD data: %8d %8d %8d %8d %10u %10u %10u\n",
+ si->blkoff[CURSEG_COLD_DATA],
si->curseg[CURSEG_COLD_DATA],
si->cursec[CURSEG_COLD_DATA],
si->curzone[CURSEG_COLD_DATA],
si->dirty_seg[CURSEG_COLD_DATA],
si->full_seg[CURSEG_COLD_DATA],
si->valid_blks[CURSEG_COLD_DATA]);
- seq_printf(s, " - WARM data: %8d %8d %8d %10u %10u %10u\n",
+ seq_printf(s, " - WARM data: %8d %8d %8d %8d %10u %10u %10u\n",
+ si->blkoff[CURSEG_WARM_DATA],
si->curseg[CURSEG_WARM_DATA],
si->cursec[CURSEG_WARM_DATA],
si->curzone[CURSEG_WARM_DATA],
si->dirty_seg[CURSEG_WARM_DATA],
si->full_seg[CURSEG_WARM_DATA],
si->valid_blks[CURSEG_WARM_DATA]);
- seq_printf(s, " - HOT data: %8d %8d %8d %10u %10u %10u\n",
+ seq_printf(s, " - HOT data: %8d %8d %8d %8d %10u %10u %10u\n",
+ si->blkoff[CURSEG_HOT_DATA],
si->curseg[CURSEG_HOT_DATA],
si->cursec[CURSEG_HOT_DATA],
si->curzone[CURSEG_HOT_DATA],
si->dirty_seg[CURSEG_HOT_DATA],
si->full_seg[CURSEG_HOT_DATA],
si->valid_blks[CURSEG_HOT_DATA]);
- seq_printf(s, " - Dir dnode: %8d %8d %8d %10u %10u %10u\n",
+ seq_printf(s, " - Dir dnode: %8d %8d %8d %8d %10u %10u %10u\n",
+ si->blkoff[CURSEG_HOT_NODE],
si->curseg[CURSEG_HOT_NODE],
si->cursec[CURSEG_HOT_NODE],
si->curzone[CURSEG_HOT_NODE],
si->dirty_seg[CURSEG_HOT_NODE],
si->full_seg[CURSEG_HOT_NODE],
si->valid_blks[CURSEG_HOT_NODE]);
- seq_printf(s, " - File dnode: %8d %8d %8d %10u %10u %10u\n",
+ seq_printf(s, " - File dnode: %8d %8d %8d %8d %10u %10u %10u\n",
+ si->blkoff[CURSEG_WARM_NODE],
si->curseg[CURSEG_WARM_NODE],
si->cursec[CURSEG_WARM_NODE],
si->curzone[CURSEG_WARM_NODE],
si->dirty_seg[CURSEG_WARM_NODE],
si->full_seg[CURSEG_WARM_NODE],
si->valid_blks[CURSEG_WARM_NODE]);
- seq_printf(s, " - Indir nodes: %8d %8d %8d %10u %10u %10u\n",
+ seq_printf(s, " - Indir nodes: %8d %8d %8d %8d %10u %10u %10u\n",
+ si->blkoff[CURSEG_COLD_NODE],
si->curseg[CURSEG_COLD_NODE],
si->cursec[CURSEG_COLD_NODE],
si->curzone[CURSEG_COLD_NODE],
si->dirty_seg[CURSEG_COLD_NODE],
si->full_seg[CURSEG_COLD_NODE],
si->valid_blks[CURSEG_COLD_NODE]);
- seq_printf(s, " - Pinned file: %8d %8d %8d\n",
+ seq_printf(s, " - Pinned file: %8d %8d %8d %8d\n",
+ si->blkoff[CURSEG_COLD_DATA_PINNED],
si->curseg[CURSEG_COLD_DATA_PINNED],
si->cursec[CURSEG_COLD_DATA_PINNED],
si->curzone[CURSEG_COLD_DATA_PINNED]);
- seq_printf(s, " - ATGC data: %8d %8d %8d\n",
+ seq_printf(s, " - ATGC data: %8d %8d %8d %8d\n",
+ si->blkoff[CURSEG_ALL_DATA_ATGC],
si->curseg[CURSEG_ALL_DATA_ATGC],
si->cursec[CURSEG_ALL_DATA_ATGC],
si->curzone[CURSEG_ALL_DATA_ATGC]);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 71adfacaca45..b828cf653a72 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4199,6 +4199,7 @@ struct f2fs_stat_info {
int gc_secs[2][2];
int tot_blks, data_blks, node_blks;
int bg_data_blks, bg_node_blks;
+ int blkoff[NR_CURSEG_TYPE];
int curseg[NR_CURSEG_TYPE];
int cursec[NR_CURSEG_TYPE];
int curzone[NR_CURSEG_TYPE];
--
2.49.0
next reply other threads:[~2025-11-28 9:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-28 9:25 Chao Yu [this message]
2025-12-02 18:10 ` [f2fs-dev] " patchwork-bot+f2fs
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