summaryrefslogtreecommitdiff
path: root/mm/page-writeback.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/page-writeback.c')
-rw-r--r--mm/page-writeback.c42
1 files changed, 6 insertions, 36 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index eb55ece39c56..c81624bc3969 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -120,29 +120,6 @@ EXPORT_SYMBOL(laptop_mode);
struct wb_domain global_wb_domain;
-/* 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;
-};
-
/*
* Length of period for aging writeout fractions of bdis. This is an
* arbitrarily chosen number. The longer the period, the slower fractions will
@@ -663,7 +640,7 @@ int wb_domain_init(struct wb_domain *dom, gfp_t gfp)
#ifdef CONFIG_CGROUP_WRITEBACK
void wb_domain_exit(struct wb_domain *dom)
{
- del_timer_sync(&dom->period_timer);
+ timer_delete_sync(&dom->period_timer);
fprop_global_destroy(&dom->completions);
}
#endif
@@ -1095,7 +1072,7 @@ static void wb_position_ratio(struct dirty_throttle_control *dtc)
struct bdi_writeback *wb = dtc->wb;
unsigned long write_bw = READ_ONCE(wb->avg_write_bandwidth);
unsigned long freerun = dirty_freerun_ceiling(dtc->thresh, dtc->bg_thresh);
- unsigned long limit = hard_dirty_limit(dtc_dom(dtc), dtc->thresh);
+ unsigned long limit = dtc->limit = hard_dirty_limit(dtc_dom(dtc), dtc->thresh);
unsigned long wb_thresh = dtc->wb_thresh;
unsigned long x_intercept;
unsigned long setpoint; /* dirty pages' target balance point */
@@ -1962,11 +1939,7 @@ free_running:
*/
if (pause < min_pause) {
trace_balance_dirty_pages(wb,
- sdtc->thresh,
- sdtc->bg_thresh,
- sdtc->dirty,
- sdtc->wb_thresh,
- sdtc->wb_dirty,
+ sdtc,
dirty_ratelimit,
task_ratelimit,
pages_dirtied,
@@ -1991,11 +1964,7 @@ free_running:
pause:
trace_balance_dirty_pages(wb,
- sdtc->thresh,
- sdtc->bg_thresh,
- sdtc->dirty,
- sdtc->wb_thresh,
- sdtc->wb_dirty,
+ sdtc,
dirty_ratelimit,
task_ratelimit,
pages_dirtied,
@@ -2260,7 +2229,7 @@ void laptop_sync_completion(void)
rcu_read_lock();
list_for_each_entry_rcu(bdi, &bdi_list, bdi_list)
- del_timer(&bdi->laptop_mode_wb_timer);
+ timer_delete(&bdi->laptop_mode_wb_timer);
rcu_read_unlock();
}
@@ -3109,6 +3078,7 @@ void __folio_start_writeback(struct folio *folio, bool keep_write)
int access_ret;
VM_BUG_ON_FOLIO(folio_test_writeback(folio), folio);
+ VM_BUG_ON_FOLIO(!folio_test_locked(folio), folio);
if (mapping && mapping_use_writeback_tags(mapping)) {
XA_STATE(xas, &mapping->i_pages, folio_index(folio));