diff options
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index c2788738aa0d..6cedbfb2067c 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1505,7 +1505,10 @@ struct f2fs_sb_info { /* For app/fs IO statistics */ spinlock_t iostat_lock; unsigned long long write_iostat[NR_IO_TYPE]; + unsigned long long prev_write_iostat[NR_IO_TYPE]; bool iostat_enable; + unsigned long iostat_next_period; + unsigned int iostat_period_ms; /* to attach REQ_META|REQ_FUA flags */ unsigned int data_io_flag; @@ -2999,16 +3002,25 @@ static inline int get_inline_xattr_addrs(struct inode *inode) sizeof((f2fs_inode)->field)) \ <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \ +#define DEFAULT_IOSTAT_PERIOD_MS 3000 +#define MIN_IOSTAT_PERIOD_MS 100 +/* maximum period of iostat tracing is 1 day */ +#define MAX_IOSTAT_PERIOD_MS 8640000 + static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) { int i; spin_lock(&sbi->iostat_lock); - for (i = 0; i < NR_IO_TYPE; i++) + for (i = 0; i < NR_IO_TYPE; i++) { sbi->write_iostat[i] = 0; + sbi->prev_write_iostat[i] = 0; + } spin_unlock(&sbi->iostat_lock); } +extern void f2fs_record_iostat(struct f2fs_sb_info *sbi); + static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, enum iostat_type type, unsigned long long io_bytes) { @@ -3022,6 +3034,8 @@ static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, sbi->write_iostat[APP_WRITE_IO] - sbi->write_iostat[APP_DIRECT_IO]; spin_unlock(&sbi->iostat_lock); + + f2fs_record_iostat(sbi); } #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1) |