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Commit 42190d2a authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: monitor the number of background checkpoint 



This patch adds to show the number of background checkpoint.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent d0239e1b

fs/f2fs/debug.c

+2 −1
Original line number Diff line number Diff line
@@ -272,7 +272,8 @@ 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, "CP calls: %d (BG: %d)\n",

				si->cp_count, si->bg_cp_count);

		seq_printf(s, "GC calls: %d (BG: %d)\n",

			   si->call_count, si->bg_gc);

		seq_printf(s, "  - data segments : %d (%d)\n",

fs/f2fs/f2fs.h

+3 −1
Original line number Diff line number Diff line
@@ -1937,7 +1937,7 @@ 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, cp_count;

	int prefree_count, call_count, cp_count, bg_cp_count;

	int tot_segs, node_segs, data_segs, free_segs, free_secs;

	int bg_node_segs, bg_data_segs;

	int tot_blks, data_blks, node_blks;
@@ -1958,6 +1958,7 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) 
}



#define stat_inc_cp_count(si)		((si)->cp_count++)

#define stat_inc_bg_cp_count(si)	((si)->bg_cp_count++)

#define stat_inc_call_count(si)		((si)->call_count++)

#define stat_inc_bggc_count(sbi)	((sbi)->bg_gc++)

#define stat_inc_dirty_inode(sbi, type)	((sbi)->ndirty_inode[type]++)
@@ -2040,6 +2041,7 @@ int __init f2fs_create_root_stats(void); 
void f2fs_destroy_root_stats(void);

#else

#define stat_inc_cp_count(si)

#define stat_inc_bg_cp_count(si)

#define stat_inc_call_count(si)

#define stat_inc_bggc_count(si)

#define stat_inc_dirty_inode(sbi, type)

fs/f2fs/segment.c

+1 −0
Original line number Diff line number Diff line
@@ -297,6 +297,7 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi) 
		if (test_opt(sbi, DATA_FLUSH))

			sync_dirty_inodes(sbi, FILE_INODE);

		f2fs_sync_fs(sbi->sb, true);

		stat_inc_bg_cp_count(sbi->stat_info);

	}

}