diff options
Diffstat (limited to 'drivers/md/dm-stats.c')
-rw-r--r-- | drivers/md/dm-stats.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 6028d8247f58..a1a5eec783cc 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c | |||
@@ -431,7 +431,7 @@ do_sync_free: | |||
431 | synchronize_rcu_expedited(); | 431 | synchronize_rcu_expedited(); |
432 | dm_stat_free(&s->rcu_head); | 432 | dm_stat_free(&s->rcu_head); |
433 | } else { | 433 | } else { |
434 | ACCESS_ONCE(dm_stat_need_rcu_barrier) = 1; | 434 | WRITE_ONCE(dm_stat_need_rcu_barrier, 1); |
435 | call_rcu(&s->rcu_head, dm_stat_free); | 435 | call_rcu(&s->rcu_head, dm_stat_free); |
436 | } | 436 | } |
437 | return 0; | 437 | return 0; |
@@ -639,12 +639,12 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw, | |||
639 | */ | 639 | */ |
640 | last = raw_cpu_ptr(stats->last); | 640 | last = raw_cpu_ptr(stats->last); |
641 | stats_aux->merged = | 641 | stats_aux->merged = |
642 | (bi_sector == (ACCESS_ONCE(last->last_sector) && | 642 | (bi_sector == (READ_ONCE(last->last_sector) && |
643 | ((bi_rw == WRITE) == | 643 | ((bi_rw == WRITE) == |
644 | (ACCESS_ONCE(last->last_rw) == WRITE)) | 644 | (READ_ONCE(last->last_rw) == WRITE)) |
645 | )); | 645 | )); |
646 | ACCESS_ONCE(last->last_sector) = end_sector; | 646 | WRITE_ONCE(last->last_sector, end_sector); |
647 | ACCESS_ONCE(last->last_rw) = bi_rw; | 647 | WRITE_ONCE(last->last_rw, bi_rw); |
648 | } | 648 | } |
649 | 649 | ||
650 | rcu_read_lock(); | 650 | rcu_read_lock(); |
@@ -693,22 +693,22 @@ static void __dm_stat_init_temporary_percpu_totals(struct dm_stat_shared *shared | |||
693 | 693 | ||
694 | for_each_possible_cpu(cpu) { | 694 | for_each_possible_cpu(cpu) { |
695 | p = &s->stat_percpu[cpu][x]; | 695 | p = &s->stat_percpu[cpu][x]; |
696 | shared->tmp.sectors[READ] += ACCESS_ONCE(p->sectors[READ]); | 696 | shared->tmp.sectors[READ] += READ_ONCE(p->sectors[READ]); |
697 | shared->tmp.sectors[WRITE] += ACCESS_ONCE(p->sectors[WRITE]); | 697 | shared->tmp.sectors[WRITE] += READ_ONCE(p->sectors[WRITE]); |
698 | shared->tmp.ios[READ] += ACCESS_ONCE(p->ios[READ]); | 698 | shared->tmp.ios[READ] += READ_ONCE(p->ios[READ]); |
699 | shared->tmp.ios[WRITE] += ACCESS_ONCE(p->ios[WRITE]); | 699 | shared->tmp.ios[WRITE] += READ_ONCE(p->ios[WRITE]); |
700 | shared->tmp.merges[READ] += ACCESS_ONCE(p->merges[READ]); | 700 | shared->tmp.merges[READ] += READ_ONCE(p->merges[READ]); |
701 | shared->tmp.merges[WRITE] += ACCESS_ONCE(p->merges[WRITE]); | 701 | shared->tmp.merges[WRITE] += READ_ONCE(p->merges[WRITE]); |
702 | shared->tmp.ticks[READ] += ACCESS_ONCE(p->ticks[READ]); | 702 | shared->tmp.ticks[READ] += READ_ONCE(p->ticks[READ]); |
703 | shared->tmp.ticks[WRITE] += ACCESS_ONCE(p->ticks[WRITE]); | 703 | shared->tmp.ticks[WRITE] += READ_ONCE(p->ticks[WRITE]); |
704 | shared->tmp.io_ticks[READ] += ACCESS_ONCE(p->io_ticks[READ]); | 704 | shared->tmp.io_ticks[READ] += READ_ONCE(p->io_ticks[READ]); |
705 | shared->tmp.io_ticks[WRITE] += ACCESS_ONCE(p->io_ticks[WRITE]); | 705 | shared->tmp.io_ticks[WRITE] += READ_ONCE(p->io_ticks[WRITE]); |
706 | shared->tmp.io_ticks_total += ACCESS_ONCE(p->io_ticks_total); | 706 | shared->tmp.io_ticks_total += READ_ONCE(p->io_ticks_total); |
707 | shared->tmp.time_in_queue += ACCESS_ONCE(p->time_in_queue); | 707 | shared->tmp.time_in_queue += READ_ONCE(p->time_in_queue); |
708 | if (s->n_histogram_entries) { | 708 | if (s->n_histogram_entries) { |
709 | unsigned i; | 709 | unsigned i; |
710 | for (i = 0; i < s->n_histogram_entries + 1; i++) | 710 | for (i = 0; i < s->n_histogram_entries + 1; i++) |
711 | shared->tmp.histogram[i] += ACCESS_ONCE(p->histogram[i]); | 711 | shared->tmp.histogram[i] += READ_ONCE(p->histogram[i]); |
712 | } | 712 | } |
713 | } | 713 | } |
714 | } | 714 | } |