[PATCH v2 04/11] lib: add a __fprop_add_percpu_max
From: Josef Bacik <josef@toxicpanda.com>
Date: 2017-11-22 21:15:59
Also in:
linux-btrfs, linux-fsdevel
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
From: Josef Bacik <redacted> This helper allows us to add an arbitrary amount to the fprop structures. Signed-off-by: Josef Bacik <redacted> --- include/linux/flex_proportions.h | 11 +++++++++-- lib/flex_proportions.c | 9 +++++---- 2 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/include/linux/flex_proportions.h b/include/linux/flex_proportions.h
index 0d348e011a6e..9f88684bf0a0 100644
--- a/include/linux/flex_proportions.h
+++ b/include/linux/flex_proportions.h@@ -83,8 +83,8 @@ struct fprop_local_percpu { int fprop_local_init_percpu(struct fprop_local_percpu *pl, gfp_t gfp); void fprop_local_destroy_percpu(struct fprop_local_percpu *pl); void __fprop_inc_percpu(struct fprop_global *p, struct fprop_local_percpu *pl); -void __fprop_inc_percpu_max(struct fprop_global *p, struct fprop_local_percpu *pl, - int max_frac); +void __fprop_add_percpu_max(struct fprop_global *p, struct fprop_local_percpu *pl, + unsigned long nr, int max_frac); void fprop_fraction_percpu(struct fprop_global *p, struct fprop_local_percpu *pl, unsigned long *numerator, unsigned long *denominator);
@@ -99,4 +99,11 @@ void fprop_inc_percpu(struct fprop_global *p, struct fprop_local_percpu *pl) local_irq_restore(flags); } +static inline +void __fprop_inc_percpu_max(struct fprop_global *p, + struct fprop_local_percpu *pl, int max_frac) +{ + __fprop_add_percpu_max(p, pl, 1, max_frac); +} + #endif
diff --git a/lib/flex_proportions.c b/lib/flex_proportions.c
index b0343ae71f5e..fd95791a2c93 100644
--- a/lib/flex_proportions.c
+++ b/lib/flex_proportions.c@@ -255,8 +255,9 @@ void fprop_fraction_percpu(struct fprop_global *p, * Like __fprop_inc_percpu() except that event is counted only if the given * type has fraction smaller than @max_frac/FPROP_FRAC_BASE */ -void __fprop_inc_percpu_max(struct fprop_global *p, - struct fprop_local_percpu *pl, int max_frac) +void __fprop_add_percpu_max(struct fprop_global *p, + struct fprop_local_percpu *pl, unsigned long nr, + int max_frac) { if (unlikely(max_frac < FPROP_FRAC_BASE)) { unsigned long numerator, denominator;
@@ -267,6 +268,6 @@ void __fprop_inc_percpu_max(struct fprop_global *p, return; } else fprop_reflect_period_percpu(p, pl); - percpu_counter_add_batch(&pl->events, 1, PROP_BATCH); - percpu_counter_add(&p->events, 1); + percpu_counter_add_batch(&pl->events, nr, PROP_BATCH); + percpu_counter_add(&p->events, nr); }
--
2.7.5
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