[PATCH v3 5/7] f2fs: stat dirty regular/symlink inodes

From: Chao Yu
Date: Thu Dec 17 2015 - 04:15:36 EST


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

Signed-off-by: Chao Yu <chao2.yu@xxxxxxxxxxx>
---
v2:
- rename F2FS_DIRTY_DATAS to F2FS_DIRTY_DATA
v3:
- fix compiler warning
---
fs/f2fs/checkpoint.c | 7 ++-----
fs/f2fs/debug.c | 6 +++++-
fs/f2fs/f2fs.h | 13 +++++++------
3 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index a037bbd..53044ea 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -733,13 +733,11 @@ static void __add_dirty_inode(struct inode *inode, enum inode_type type)

set_inode_flag(fi, flag);
list_add_tail(&fi->dirty_list, &sbi->inode_list[type]);
- if (type == DIR_INODE)
- stat_inc_dirty_dir(sbi);
+ stat_inc_dirty_inode(sbi, type);
}

static void __remove_dirty_inode(struct inode *inode, enum inode_type type)
{
- struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
int flag = (type == DIR_INODE) ? FI_DIRTY_DIR : FI_DIRTY_FILE;

@@ -749,8 +747,7 @@ static void __remove_dirty_inode(struct inode *inode, enum inode_type type)

list_del_init(&fi->dirty_list);
clear_inode_flag(fi, flag);
- if (type == DIR_INODE)
- stat_dec_dirty_dir(sbi);
+ stat_dec_dirty_inode(F2FS_I_SB(inode), type);
}

void update_dirty_page(struct inode *inode, struct page *page)
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index f4a7b9e..bb307e6 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -42,8 +42,10 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->ext_node = atomic_read(&sbi->total_ext_node);
si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES);
si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
- si->ndirty_dirs = sbi->n_dirty_dirs;
si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META);
+ si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA);
+ si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE];
+ si->ndirty_files = sbi->ndirty_inode[FILE_INODE];
si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);
si->wb_pages = get_pages(sbi, F2FS_WRITEBACK);
si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
@@ -298,6 +300,8 @@ static int stat_show(struct seq_file *s, void *v)
si->ndirty_node, si->node_pages);
seq_printf(s, " - dents: %4d in dirs:%4d\n",
si->ndirty_dent, si->ndirty_dirs);
+ seq_printf(s, " - datas: %4d in files:%4d\n",
+ si->ndirty_data, si->ndirty_files);
seq_printf(s, " - meta: %4d in %4d\n",
si->ndirty_meta, si->meta_pages);
seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n",
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 @@ struct f2fs_sb_info {
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 @@ struct f2fs_stat_info {
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 @@ 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_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 @@ void f2fs_destroy_root_stats(void);
#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)
--
2.6.3


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