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[06/12] block, bfq: align min and default weights with cfq

Message ID 20181112095632.69114-7-paolo.valente@linaro.org (mailing list archive)
State New, archived
Headers show
Series unify the interface of the proportional-share policy in blkio/io | expand

Commit Message

Paolo Valente Nov. 12, 2018, 9:56 a.m. UTC 
From: Angelo Ruocco <angeloruocco90@gmail.com>

The I/O schedulers bfq and cfq expose a cgroup attribute with the same
meaning: weight.

This commit changes bfq default and min weights to match the ones set
by cfq.

Signed-off-by: Angelo Ruocco <angeloruocco90@gmail.com>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
---
 block/bfq-iosched.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
index 77651d817ecd..249d8128d3ee 100644
--- a/block/bfq-iosched.h
+++ b/block/bfq-iosched.h
@@ -22,13 +22,13 @@ 
 #define BFQ_IOPRIO_CLASSES	3
 #define BFQ_CL_IDLE_TIMEOUT	(HZ/5)
 
-#define BFQ_MIN_WEIGHT			1
+#define BFQ_MIN_WEIGHT			10
 #define BFQ_MAX_WEIGHT			1000
 #define BFQ_WEIGHT_CONVERSION_COEFF	10
 
 #define BFQ_DEFAULT_QUEUE_IOPRIO	4
 
-#define BFQ_WEIGHT_LEGACY_DFL	100
+#define BFQ_WEIGHT_LEGACY_DFL	500
 #define BFQ_DEFAULT_GRP_IOPRIO	0
 #define BFQ_DEFAULT_GRP_CLASS	IOPRIO_CLASS_BE