f2fs: push some variables to debug part

Some, counters are needed only for the statistical information
while debugging.
So, those can be controlled using CONFIG_F2FS_STAT_FS,
pushing the usage for few variables under this flag.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 92fd4e9285c0..40b137acb8a2 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -372,7 +372,6 @@ struct f2fs_sb_info {
         /* for directory inode management */
         struct list_head dir_inode_list;        /* dir inode list */
         spinlock_t dir_inode_lock;              /* for dir inode list lock */
-        unsigned int n_dirty_dirs;              /* # of dir inodes */
 
         /* basic file system units */
         unsigned int log_sectors_per_block;     /* log2 sectors per block */
@@ -409,12 +408,15 @@ struct f2fs_sb_info {
          * for stat information.
          * one is for the LFS mode, and the other is for the SSR mode.
          */
+#ifdef CONFIG_F2FS_STAT_FS
         struct f2fs_stat_info *stat_info;       /* FS status information */
         unsigned int segment_count[2];          /* # of allocated segments */
         unsigned int block_count[2];            /* # of allocated blocks */
-        unsigned int last_victim[2];            /* last victim segment # */
         int total_hit_ext, read_hit_ext;        /* extent cache hit ratio */
         int bg_gc;                              /* background gc calls */
+        unsigned int n_dirty_dirs;              /* # of dir inodes */
+#endif
+        unsigned int last_victim[2];            /* last victim segment # */
         spinlock_t stat_lock;                   /* lock for stat operations */
 };