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authorChao Yu <chao2.yu@samsung.com>2015-08-19 19:12:20 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2015-08-21 22:45:15 -0700
commit91c481fff92c705dd382f1f53c01e6b6b88507d0 (patch)
tree5a4192bcf89ce525bd9992cf879c16f886acf035 /fs/f2fs/f2fs.h
parente2b4e2bc8865e03eecd49caa9713a2402a96bba9 (diff)
f2fs: add largest/cached stat in extent cache
This patch adds to stat the hit count of largest/cached node for showing in debugfs. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 51dfa8fcc505..de20387ae225 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -789,6 +789,8 @@ struct f2fs_sb_info {
atomic_t inplace_count; /* # of inplace update */
atomic_t total_hit_ext; /* # of lookup extent cache */
atomic_t read_hit_ext; /* # of hit extent cache */
+ atomic_t read_hit_largest; /* # of hit largest extent node */
+ atomic_t read_hit_cached; /* # of hit cached extent node */
atomic_t inline_xattr; /* # of inline_xattr inodes */
atomic_t inline_inode; /* # of inline_data inodes */
atomic_t inline_dir; /* # of inline_dentry inodes */
@@ -1824,7 +1826,7 @@ struct f2fs_stat_info {
struct f2fs_sb_info *sbi;
int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
int main_area_segs, main_area_sections, main_area_zones;
- int hit_ext, total_ext, ext_tree, ext_node;
+ int hit_largest, hit_cached, hit_ext, total_ext, ext_tree, ext_node;
int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta;
int nats, dirty_nats, sits, dirty_sits, fnids;
int total_count, utilization;
@@ -1862,6 +1864,8 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
#define stat_dec_dirty_dir(sbi) ((sbi)->n_dirty_dirs--)
#define stat_inc_total_hit(sbi) (atomic_inc(&(sbi)->total_hit_ext))
#define stat_inc_read_hit(sbi) (atomic_inc(&(sbi)->read_hit_ext))
+#define stat_inc_largest_node_hit(sbi) (atomic_inc(&(sbi)->read_hit_largest))
+#define stat_inc_cached_node_hit(sbi) (atomic_inc(&(sbi)->read_hit_cached))
#define stat_inc_inline_xattr(inode) \
do { \
if (f2fs_has_inline_xattr(inode)) \
@@ -1942,6 +1946,8 @@ void f2fs_destroy_root_stats(void);
#define stat_dec_dirty_dir(sbi)
#define stat_inc_total_hit(sb)
#define stat_inc_read_hit(sb)
+#define stat_inc_largest_node_hit(sbi)
+#define stat_inc_cached_node_hit(sbi)
#define stat_inc_inline_xattr(inode)
#define stat_dec_inline_xattr(inode)
#define stat_inc_inline_inode(inode)