diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/writeback.h | 23 | ||||
| -rw-r--r-- | include/trace/events/writeback.h | 16 |
2 files changed, 29 insertions, 10 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index d11b903c2edb..32095928365c 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -313,6 +313,29 @@ static inline void cgroup_writeback_umount(struct super_block *sb) /* * mm/page-writeback.c */ +/* consolidated parameters for balance_dirty_pages() and its subroutines */ +struct dirty_throttle_control { +#ifdef CONFIG_CGROUP_WRITEBACK + struct wb_domain *dom; + struct dirty_throttle_control *gdtc; /* only set in memcg dtc's */ +#endif + struct bdi_writeback *wb; + struct fprop_local_percpu *wb_completions; + + unsigned long avail; /* dirtyable */ + unsigned long dirty; /* file_dirty + write + nfs */ + unsigned long thresh; /* dirty threshold */ + unsigned long bg_thresh; /* dirty background threshold */ + + unsigned long wb_dirty; /* per-wb counterparts */ + unsigned long wb_thresh; + unsigned long wb_bg_thresh; + + unsigned long pos_ratio; + bool freerun; + bool dirty_exceeded; +}; + void laptop_io_completion(struct backing_dev_info *info); void laptop_sync_completion(void); void laptop_mode_timer_fn(struct timer_list *t); diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index a261e86e61fa..3213b9023794 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -629,11 +629,7 @@ TRACE_EVENT(bdi_dirty_ratelimit, TRACE_EVENT(balance_dirty_pages, TP_PROTO(struct bdi_writeback *wb, - unsigned long thresh, - unsigned long bg_thresh, - unsigned long dirty, - unsigned long bdi_thresh, - unsigned long bdi_dirty, + struct dirty_throttle_control *dtc, unsigned long dirty_ratelimit, unsigned long task_ratelimit, unsigned long dirtied, @@ -641,7 +637,7 @@ TRACE_EVENT(balance_dirty_pages, long pause, unsigned long start_time), - TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, + TP_ARGS(wb, dtc, dirty_ratelimit, task_ratelimit, dirtied, period, pause, start_time), @@ -664,16 +660,16 @@ TRACE_EVENT(balance_dirty_pages, ), TP_fast_assign( - unsigned long freerun = (thresh + bg_thresh) / 2; + unsigned long freerun = (dtc->thresh + dtc->bg_thresh) / 2; strscpy_pad(__entry->bdi, bdi_dev_name(wb->bdi), 32); __entry->limit = global_wb_domain.dirty_limit; __entry->setpoint = (global_wb_domain.dirty_limit + freerun) / 2; - __entry->dirty = dirty; + __entry->dirty = dtc->dirty; __entry->bdi_setpoint = __entry->setpoint * - bdi_thresh / (thresh + 1); - __entry->bdi_dirty = bdi_dirty; + dtc->wb_thresh / (dtc->thresh + 1); + __entry->bdi_dirty = dtc->wb_dirty; __entry->dirty_ratelimit = KBps(dirty_ratelimit); __entry->task_ratelimit = KBps(task_ratelimit); __entry->dirtied = dirtied; |