f2fs: stat dirty regular/symlink inodes

Add to stat dirty regular and symlink inode for showing in debugfs.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index b1fb8f7..19beabe 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -818,7 +818,7 @@
 	atomic_t inline_inode;			/* # of inline_data inodes */
 	atomic_t inline_dir;			/* # of inline_dentry inodes */
 	int bg_gc;				/* background gc calls */
-	unsigned int n_dirty_dirs;		/* # of dir inodes */
+	unsigned int ndirty_inode[NR_INODE_TYPE];	/* # of dirty inodes */
 #endif
 	unsigned int last_victim[2];		/* last victim segment # */
 	spinlock_t stat_lock;			/* lock for stat operations */
@@ -1888,7 +1888,8 @@
 	unsigned long long hit_largest, hit_cached, hit_rbtree;
 	unsigned long long hit_total, total_ext;
 	int ext_tree, ext_node;
-	int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta;
+	int ndirty_node, ndirty_meta;
+	int ndirty_dent, ndirty_dirs, ndirty_data, ndirty_files;
 	int nats, dirty_nats, sits, dirty_sits, fnids;
 	int total_count, utilization;
 	int bg_gc, inmem_pages, wb_pages;
@@ -1921,8 +1922,8 @@
 #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++)
-#define stat_dec_dirty_dir(sbi)		((sbi)->n_dirty_dirs--)
+#define stat_inc_dirty_inode(sbi, type)	((sbi)->ndirty_inode[type]++)
+#define stat_dec_dirty_inode(sbi, type)	((sbi)->ndirty_inode[type]--)
 #define stat_inc_total_hit(sbi)		(atomic64_inc(&(sbi)->total_hit_ext))
 #define stat_inc_rbtree_node_hit(sbi)	(atomic64_inc(&(sbi)->read_hit_rbtree))
 #define stat_inc_largest_node_hit(sbi)	(atomic64_inc(&(sbi)->read_hit_largest))
@@ -2003,8 +2004,8 @@
 #define stat_inc_cp_count(si)
 #define stat_inc_call_count(si)
 #define stat_inc_bggc_count(si)
-#define stat_inc_dirty_dir(sbi)
-#define stat_dec_dirty_dir(sbi)
+#define stat_inc_dirty_inode(sbi, type)
+#define stat_dec_dirty_inode(sbi, type)
 #define stat_inc_total_hit(sb)
 #define stat_inc_rbtree_node_hit(sb)
 #define stat_inc_largest_node_hit(sbi)