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-rw-r--r--fs/bcachefs/time_stats.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/bcachefs/time_stats.h b/fs/bcachefs/time_stats.h
index d0291ea863ba..fd6e442443f9 100644
--- a/fs/bcachefs/time_stats.h
+++ b/fs/bcachefs/time_stats.h
@@ -80,8 +80,12 @@ struct bch2_time_stats {
struct quantiles quantiles;
struct mean_and_variance duration_stats;
- struct mean_and_variance_weighted duration_stats_weighted;
struct mean_and_variance freq_stats;
+
+/* default weight for weighted mean and variance calculations */
+#define TIME_STATS_MV_WEIGHT 8
+
+ struct mean_and_variance_weighted duration_stats_weighted;
struct mean_and_variance_weighted freq_stats_weighted;
struct time_stat_buffer __percpu *buffer;
};