diff options
Diffstat (limited to 'drivers/md/bcache/util.c')
| -rw-r--r-- | drivers/md/bcache/util.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c index 420dad545c7d..462214eeacbe 100644 --- a/drivers/md/bcache/util.c +++ b/drivers/md/bcache/util.c @@ -168,10 +168,14 @@ int bch_parse_uuid(const char *s, char *uuid) void bch_time_stats_update(struct time_stats *stats, uint64_t start_time) { - uint64_t now = local_clock(); - uint64_t duration = time_after64(now, start_time) + uint64_t now, duration, last; + + spin_lock(&stats->lock); + + now = local_clock(); + duration = time_after64(now, start_time) ? now - start_time : 0; - uint64_t last = time_after64(now, stats->last) + last = time_after64(now, stats->last) ? now - stats->last : 0; stats->max_duration = max(stats->max_duration, duration); @@ -188,6 +192,8 @@ void bch_time_stats_update(struct time_stats *stats, uint64_t start_time) } stats->last = now ?: 1; + + spin_unlock(&stats->lock); } /** |