diff options
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 4e7eab9f3f5a..5b6fd541551c 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -846,8 +846,19 @@ struct f2fs_sb_info { struct list_head s_list; struct mutex umount_mutex; unsigned int shrinker_run_no; + + /* For write statistics */ + u64 sectors_written_start; + u64 kbytes_written; }; +/* For write statistics. Suppose sector size is 512 bytes, + * and the return value is in kbytes. s is of struct f2fs_sb_info. + */ +#define BD_PART_WRITTEN(s) \ +(((u64)part_stat_read(s->sb->s_bdev->bd_part, sectors[1]) - \ + s->sectors_written_start) >> 1) + static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) { sbi->last_time[type] = jiffies; |