This patch shows the counts of checkpoint in f2fs' status.
Signed-off-by: Changman Lee <cm224.lee@xxxxxxxxxxx>
---
fs/f2fs/checkpoint.c | 1 +
fs/f2fs/debug.c | 1 +
fs/f2fs/f2fs.h | 4 +++-
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 8f5dff1..0482354 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -837,6 +837,7 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
unblock_operations(sbi);
mutex_unlock(&sbi->cp_mutex);
+ stat_inc_cp_count(sbi->stat_info);
trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish checkpoint");
}
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 3de9d20..46a12e4 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -236,6 +236,7 @@ static int stat_show(struct seq_file *s, void *v)
si->dirty_count);
seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n",
si->prefree_count, si->free_segs, si->free_secs);
+ seq_printf(s, "CP calls: %d\n", si->cp_count);
seq_printf(s, "GC calls: %d (BG: %d)\n",
si->call_count, si->bg_gc);
seq_printf(s, " - data segments : %d\n", si->data_segs);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index aeff132..91a4cd1 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1240,7 +1240,7 @@ struct f2fs_stat_info {
int util_free, util_valid, util_invalid;
int rsvd_segs, overp_segs;
int dirty_count, node_pages, meta_pages;
- int prefree_count, call_count;
+ int prefree_count, call_count, cp_count;
int tot_segs, node_segs, data_segs, free_segs, free_secs;
int tot_blks, data_blks, node_blks;
int curseg[NR_CURSEG_TYPE];
@@ -1257,6 +1257,7 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
return (struct f2fs_stat_info *)sbi->stat_info;
}
+#define stat_inc_cp_count(si) ((si)->cp_count++)
#define stat_inc_call_count(si) ((si)->call_count++)
#define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++)
#define stat_inc_dirty_dir(sbi) ((sbi)->n_dirty_dirs++)
@@ -1311,6 +1312,7 @@ void f2fs_destroy_stats(struct f2fs_sb_info *);
void __init f2fs_create_root_stats(void);
void f2fs_destroy_root_stats(void);
#else
+#define stat_inc_cp_count(si)
#define stat_inc_call_count(si)
#define stat_inc_bggc_count(si)
#define stat_inc_dirty_dir(sbi)
--
1.7.10.4
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