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| author | Kemeng Shi <shikemeng@huaweicloud.com> | 2023-01-16 17:51:53 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-01-29 20:03:49 -0700 |
| commit | 323745a3aa9ba172582d4549689146298fb68405 (patch) | |
| tree | b7401d6adc2f7dd47ffdd9e416dacaaa5fec4051 | |
| parent | 87c971de8157b90494490d7c869a21b7f2123305 (diff) | |
| download | linux-323745a3aa9ba172582d4549689146298fb68405.tar.gz linux-323745a3aa9ba172582d4549689146298fb68405.tar.bz2 linux-323745a3aa9ba172582d4549689146298fb68405.zip | |
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.c | 4 | ||||
| -rw-r--r-- | block/bfq-iosched.h | 2 |
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; |