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authorKemeng Shi <shikemeng@huaweicloud.com>2023-01-16 17:51:53 +0800
committerJens Axboe <axboe@kernel.dk>2023-01-29 20:03:49 -0700
commit323745a3aa9ba172582d4549689146298fb68405 (patch)
treeb7401d6adc2f7dd47ffdd9e416dacaaa5fec4051
parent87c971de8157b90494490d7c869a21b7f2123305 (diff)
block, bfq: remove unused bfq_wr_max_time in struct bfq_data
bfqd->bfq_wr_max_time is set to 0 in bfq_init_queue and is never changed. It is only used in bfq_wr_duration when bfq_wr_max_time > 0 which never meets, so bfqd->bfq_wr_max_time is not used actually. Just remove it. Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230116095153.3810101-9-shikemeng@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/bfq-iosched.c4
-rw-r--r--block/bfq-iosched.h2
2 files changed, 0 insertions, 6 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 0416dfe05983..4705c4be90e7 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -1093,9 +1093,6 @@ static unsigned int bfq_wr_duration(struct bfq_data *bfqd)
{
u64 dur;
- if (bfqd->bfq_wr_max_time > 0)
- return bfqd->bfq_wr_max_time;
-
dur = bfqd->rate_dur_prod;
do_div(dur, bfqd->peak_rate);
@@ -7299,7 +7296,6 @@ static int bfq_init_queue(struct request_queue *q, struct elevator_type *e)
*/
bfqd->bfq_wr_coeff = 30;
bfqd->bfq_wr_rt_max_time = msecs_to_jiffies(300);
- bfqd->bfq_wr_max_time = 0;
bfqd->bfq_wr_min_idle_time = msecs_to_jiffies(2000);
bfqd->bfq_wr_min_inter_arr_async = msecs_to_jiffies(500);
bfqd->bfq_wr_max_softrt_rate = 7000; /*
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
index 2b4893a68b43..75cc6a324267 100644
--- a/block/bfq-iosched.h
+++ b/block/bfq-iosched.h
@@ -769,8 +769,6 @@ struct bfq_data {
* is multiplied.
*/
unsigned int bfq_wr_coeff;
- /* maximum duration of a weight-raising period (jiffies) */
- unsigned int bfq_wr_max_time;
/* Maximum weight-raising duration for soft real-time processes */
unsigned int bfq_wr_rt_max_time;